相关试卷
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1、阅读下面材料,根据其内容和所给段落开头语续写两段,使之构成一篇完整的短文。
Andy stared at the white envelope on his desk. The Student Affairs Office logo in the corner made his stomach sink. He opened it slowly.
Health and Safety Warning.
Fine(罚款): $300.
Three hundred dollars — his entire summer earnings, meant for books and a winter coat. Now gone, all because of a messy room!
Andy was a quiet international student who kept his side of the dorm perfectly organized. For him, neatness brought calm and control. His roommate, Eric, was the opposite: he lived in what could only be described as a happy mess. Clothes piled on his chair, empty snack bags collected on the floor, and the shared waste bin always overflowed. But Eric was kind — he'd shown Andy around campus, helped with his homework, and lifted his spirits when he was homesick.
Andy was grateful. He never complained. He didn't want to start a fight. So, he'd sigh and quietly take out the garbage, thinking it was a small price for such a good friend. But he'd been home for two weeks — and returned to this. Now. holding the letter, he felt it was a big mistake. "I've been cleaning up his mess, and I get fined too?" he thought in frustration. This wasn't fair. His usual "avoid trouble" plan had failed.
Just then, the door flew open. "Andy! You won't believe the game today..." Eric's energetic entry stopped short. "Whoa. You look pale as a sheet. What's wrong?"
Without a word, Andy held out the warning letter. Eric took it, his smile fading as he read. "Oh, no. A fine? Three hundred? I'm... I'm really sorry." He looked from the letter to the pile of pizza boxes in the corner, which he'd meant to throw out for days, then to Andy's spotless desk. Real guilt washed over his face. "I've been completely careless about this. I'm sorry Andy..."
注意:
1.续写词数应为150个左右;
2.请按如下格式在答题卡的相应位置作答。
"It's okay," Andy said quietly, "but let's clean it together now."
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They both knew that one-time cleaning was not enough — they needed rules.
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2、假定你是李华,近期参加了学校组织的趣味运动会。请你给英国朋友Mark写一封邮件分享这次经历,内容包括:
1.介绍一个项目;
2.分享你的感受。
注意:
1.写作词数应为80个左右;
2.请按如下格式在答题卡的相应位置作答。
参考词汇:趣味运动会Fun Games Day
Dear Mark,
Hope this email finds you well.
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Best wishes,
Li Hua
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3、阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
Distant pleasant music floated above the Sydney Opera House stage. Soft light gradually revealed motionless figures at work, as if lifted the pages of a Ming-dynasty book. Slowly they began to move. Accompanied by the soft sound of page turning and the gentle flow of water, their graceful (gesture) formed a living picture of labour.
This breathtaking opening of the dance drama Tiangong Kaiwu pulled me (instant) into that world of ancient creation. Through (express) movement, the performance conveyed the book's core message — (value) the skills passed down by countless unknown labourers and the power of practical tools. The beautiful scenes of golden fields and shiny silk made me feel the deep bond between humanity and nature.
The most moving moment came Song Yingxing took off his official robe (官袍) and stepped into a "field" formed by the other dancers. All motion ceased; only his figure remained, arms stretched upward, silent yet full of strength. At that instant, history (it) seemed to hold its breath.
As I left the theatre I overheard a visitor say "This is beauty that (go) beyond borders." His words deepened my belief: art (root) in a culture's finest traditions possesses a timeless power to move anyone. This was more than ancient book brought to life — it was a celebration of Chinese wisdom and its spirit of sharing with the world.
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4、I've finally faced the fear that has troubled me for 30 years. Like millions, I fear flying. When my daughter moved to Beijing, I knew I had to1 it.
Flying terrifies me—heart racing and legs shaking. I'm not2. Research shows many share this fear. And for me, frequent short work flights only made it3, especially those lonely late-night ones.
With a visit to China coming, I4 for an airline-offered course called "Flying with Confidence". At the airport, I was5 by how many others had paid £399 to face the same fear. Among them was Mia, who stopped flying after a sudden panic attack. Now pregnant (怀孕), she wanted to6 passing her fear down to her child.
Pilots led the morning session. Learning7, like a plane gliding (滑行) 100 miles if engines stop, was comforting. They emphasized the8 safety rules and over 100,000 safe flights daily.
The afternoon focused on9. The doctor patiently explained that "fear of fear" is common. He taught "breathe and squeeze" — slow breaths to control stress chemicals, and muscle squeezes to focus the mind. We practiced and it10.
Then came the11 flight. As we boarded, earlier excitement turned to obvious12. Captain Miller provided a calming broadcast. When turbulence (气流) hit, I used the13 technique. For the first time, panic didn't14.
The moment I exited the plane was emotional. My hands were still shaking, but my heart was already racing15, to my daughter in Beijing.
(1)A 、accept B 、ignore C 、test D 、overcome(2)A 、different B 、alone C 、unique D 、brave(3)A 、worse B 、less C 、easier D 、clearer(4)A 、longed B 、planned C 、searched D 、registered(5)A 、touched B 、struck C 、puzzled D 、annoyed(6)A 、avoid B 、deny C 、forget D 、delay(7)A 、skills B 、facts C 、theories D 、news(8)A 、latest B 、various C 、secret D 、strict(9)A 、assessment B 、behavior C 、psychology D 、communication(10)A 、worked B 、happened C 、varied D 、mattered(11)A 、personal B 、normal C 、final D 、actual(12)A 、boredom B 、disappointment C 、tension D 、confusion(13)A 、traditional B 、learned C 、inspiring D 、usual(14)A 、show off B 、break down C 、take over D 、fade away(15)A 、ahead B 、again C 、around D 、along -
5、Creative expression, particularly through learning and making music, greatly improves well-being and meaning in later life, promoting mental, emotional, and even physical health as people age.
For older adults, activities like attending a songwriting workshop or joining a chorus go beyond mere leisure. They become a pathway to what Aristotle called "eudaemonia", a life well-lived.
Music offers a unique way for such meaningfulness, which often grows from deep connection. Whether it is the dedication to mastering an instrument, the excitement of creating music on the spot, or the sweetness of listening to a familiar tune, older adults do not engage in music as lone individuals.
Such meaningful involvement can even turn musical tools — a piano, a violin, or a digital device — into extensions of the person. This reflects the saying, "You are what you do." Some famous musicians travel with their own instruments, which proves how deeply music can shape personal identity.
As dancer Twyla Tharp remarked, "Art is the only way to run away without leaving home." The emotional uplift indirectly supports health by boosting memory, lowering stress, and strengthening social ties — all crucial for aging well.
Deep engagement in music adds meaning to later life, bringing happiness through creativity and commitment. Actually, music enriches lives at every age, so promoting creative expression through it should be a central aim in education and enrichment for everyone.
A. It's mostly the result of external entertainment.
B. Becoming a "musician" is thus a worthy goal for older adults.
C. They bond with others, culture, and their own growing sense of self.
D. The more often one plays an instrument, the greater joy one may gain.
E. Creative musical experience also provides an escape from daily routines.
F. With skill and regular practice, the instrument becomes part of who one is.
G. This is not brief pleasure, but lasting happiness that comes from living meaningfully.
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6、Sound travels as vibrations (振动) through the air. Conventional microphones function by picking up these vibrations. Scientists wondered if they could make microphones that see those vibrations rather than hear them. Now researchers in China have built such a device.
Led by physicist Yao Xuri from Beijing Institute of Technology, the team has built a device that photographs the tiny, imperceptible vibrations that sound waves generate on objects. According to Yao, "This technique enables sound detection using everyday items under natural lighting."
This is hardly the first attempt to make a microphone that works with light. Alexander Graham Bell built one back in 1880. He called it a photophone. It operated by using sound waves to deform a mirror, causing reflected light to flash along with the sound. These flashes were then changed back into sound. Modern attempts have been trying to copy this, using high-speed cameras or precise lasers (激光), but such systems are often complex and costly.
The Chinese team has adopted an alternative approach: single-pixel (单像素) imaging. "Unlike ordinary cameras which rely on millions of sensors, single-pixel imaging uses just one," Yao noted. It scans a scene to collect visual data, which is then processed by computers to reconstruct an image. Through this technique, Yao's team detected how sound waves had shaken a paper card or leaf. A computer then decoded the data into audible sound.
The device successfully captured spoken numbers in both Chinese and English and decoded an excerpt from Beethoven's Für Elise. "This method creates a relatively small amount of data, making it easy to store or upload," Yao noted. The team is refining the device's capacity to detect human heartbeat and heart rate, a development that could enable non-contact patient monitoring in medical settings.
Currently, the technology only works from about half a meter away, and detecting sound in noisy environments remains a key challenge. That will take more advanced technology and extensive field testing. But if they succeed, we might not just listen to the world around us — we might watch it speak.
(1)、The underlined word "imperceptible" in paragraph 2 is closest in meaning to ______.A、inaudible B、inaccessible C、unpredictable D、unnoticeable(2)、What is paragraph 3 mainly about?A、Research background. B、Study design. C、Technical approaches. D、Key challenges.(3)、How does the single-pixel imaging device differ from ordinary cameras?A、It works at a super high speed. B、It processes data with a computer. C、It uses precise lasers to scan scenes. D、It collects data with only one sensor.(4)、What is the author's attitude towards the future of the technology?A、Expectant. B、Doubtful. C、Concerned. D、Uncertain. -
7、Survey data shows that most freshmen regularly use generative AI, often treating it as "an intellectual partner", Professor John Hampson reported at a faculty (全体教师) meeting in Elite Technology University (ETU). Students most commonly use it to understand difficult concepts, search, generate study materials, and edit writing. Interestingly, the lowest reported use is for generating text.
Meanwhile, students are using faculty office hours and the speaking and writing centers less. In last year's computer science courses, scores on problem sets increased, yet exam scores declined. "This is concerning," noted Hampson. "If they were using AI as a study pal, they weren't absorbing as much as they might think."
Students want clearer AI policies, and Hampson advised faculty to carefully consider and share what level of use they permit, the reasoning behind it, how to cite use of AI, and examples of what's permissible. He also encouraged department-wide discussions to best prepare students for a workplace where they will need to know how to write or code with its assistance. "I also believe that students need to learn to write and code unaided, to develop critical thinking skills, their agency as citizens, and also meaning — making the ideas that help them understand their own lives," he added.
Some professors expressed concerns about how AI use is impacting students' mental health and learning. Professor George Wilson noted that students are often highly competitive, and "it's important to create rules so that competition leads to healthy behaviors that make them better educated people." While some suggested more one-on-one time with students, others noted that budget restrictions would make that difficult.
Professor Poly Burnett observed that lecture attendance is also down. She urged faculty to make lectures something students genuinely want to attend. She also noted that many teachers are making small changes, in hopes of continuing teaching as they've previously taught. "We actually have to see this less as a problem and more as an opportunity," Burnett suggested. "How can ETU lead in rethinking how we teach, how we learn... and have our students be benefiting and being at the leading edge of that?"
(1)、What does the author imply about the survey findings by using "interestingly" in paragraph 1?A、They indicate a promising trend. B、They contradict a common assumption. C、They capture the faculty's interest. D、They require further investigation.(2)、Which of the following changes is mentioned in paragraph 2?A、Students are interacting more with others. B、AI use has led to better learning outcomes. C、Exam scores rose while homework scores fell. D、Students are using off-line academic services less.(3)、Why does Hampson emphasize students writing and coding without AI?A、To clarify acceptable uses of AI in coursework. B、To prepare students for future workplace demands. C、To ensure students develop essential human capacities. D、To improve students' long-term academic performance.(4)、What is Burnett's suggestion to the faculty?A、Make lectures more entertaining. B、Let students take the leading role. C、Take the chance to reform education. D、Adjust teaching slightly to AI challenges. -
8、They now call it "Batesian mimicry" — the amazing skill for survival I first saw in the whispering green of the Amazon. I am Henry Walter Bates. My story began not with butterflies, but as the eldest son of a stocking (长袜) maker in Leicester. Yet, a boy's passion for collecting insects and an important meeting with Alfred Russel Wallace, Darwin's future co-theorist, sent me toward what he called "the great engine of change" in the tropics.
For eleven years, the Amazon was my home, my school, and my proving ground. I faced constant dangers, from disease-carrying mosquitoes and snakes to flooding rains. I was struck down by both yellow fever and malaria. My routine was strict: mornings collecting, afternoons reading and preparing my finds. I was usually in bed by nine. My field journals, filled with detailed drawings and notes in dark ink, were my defense against the dampness and insects. I learned the local languages and customs, for without the crucial guidance of its people, I would have been completely lost in that vast wilderness.
It was a time of extraordinary variety. I brought back over 14,000 kinds of insects — 8,000 new to science. But the real wonder was not the count, but a pattern I noticed. It started with a puzzle: why could slow-flying butterflies like the Heliconius escape birds? Later I discovered they were poisonous and bitter-tasting. Then the deeper truth emerged: harmless Dismorphia had evolved to copy the bright warning colours of the Heliconius. These mimics, avoided by their natural enemies, survived to pass on their colours. Here was evolution by natural selection, written plainly on butterfly wings.
I published my paper in 1862, three years after Darwin's On the Origin of Species. That this "mimicry", discovered in remote jungles, could offer timely field support for his great theory remains my proudest achievement. They say I "wrote the book" on field study. I simply followed my fascination, one find at a time, from my father's Leicester workshop into the heart of nature's grandest design.
(1)、Who was Henry Walter Bates?A、A stocking maker from Leicester. B、Darwin's co-theorist on evolution. C、A scientist who studied insects. D、A writer documenting tropical life.(2)、What did Bates consider was essential to his life and work in the Amazon?A、Keeping a strict daily schedule. B、Getting assistance from the locals. C、Collecting and studying samples. D、Staying healthy in the rainforest.(3)、What was the pattern Bates discovered?A、Birds avoided eating bitter-tasting insects. B、Slow-flying butterflies escaped birds' attack. C、The bright colours of butterflies signalled danger. D、Harmless species copied the look of poisonous ones.(4)、Which of the following best describes Bates?A、Brave and passionate. B、Strict and humble. C、Ambitious and sociable. D、Independent and proud. -
9、In celebration of World Reading Day 2026, City Central Library invites the public to submit creative activity proposals for its April events.
Proposal Requirements
The call is open to all city residents, regardless of age or background. Submissions may be made individually or by a group of up to 3 people. Each individual or group may submit only ONE proposal.
All submissions must be the applicant's original work and suitable for a library setting. The entire proposal should be a maximum of 250 words and must include:
·Activity title: a creative and appealing name for your proposed activity
·Activity description (maximum 100 words): a clear explanation of how the activity promotes reading and engages participants
·Target audience: a specification of whether the activity is designed for children (5-12), teens (13-18), adults, or mixed age groups
·Estimated duration: an indication of how long the activity will take (e.g., one hour, half a day, or one week)
·Space needed: a description of any specific library space needed (e.g., the reading room, children's area, or outdoor space)
Submission
Proposals must be submitted online by 5:30 PM on March 23, 2026, via the library's official website.
Selection
Proposals will be judged by a panel of 3 librarians and 2 literature teachers based on the following criteria:
Criterion
Weight
Creativity
30%
Practicability
45%
Community impact
25%
Awards
·Best Creative Ideas(5 winners): $50 book vouchers+ one-year library membership
·Honorable Mention(10 winners): one-year library membership
(1)、How can a group of 6 people participate in this contest?A、They may form two groups. B、They must find one more person. C、They can submit as one group. D、They have to submit individually.(2)、What should be included in the proposal?A、A 350-word activity description. B、Estimated audience number. C、The library area required. D、A list of books needed.(3)、What should applicants focus on most when preparing their proposal?A、Is it completely new? B、Is it practical to carry out? C、Does it appeal to children? D、Does it have a creative title? -
10、阅读下面材料,根据其内容和所给段落开头语续写两段,使之构成一篇完整的短文。
When I was a secondary school student, the small park near our school was my favorite place. It was more than just a park; it was our secret playground and a peaceful corner full of joy. Every afternoon after class, my friends and I would run there happily, laughing and chatting as if we had no worries at all.
The park was always quiet and tidy. I enjoyed the fresh air, green trees and beautiful flowers there. But I didn't know when things started to get worse there. Rubbish was everywhere, especially around the rubbish bins. Plastic bags, bottles and food waste made the park dirty. Every time I saw that, I felt sad and helpless.
One morning, on my way to school, I saw the park messier than ever. I felt I had to do something. During the break, I talked with my three best friends, Lewis, Stephen and Alice, about it. "The park is so dirty now," I said sadly. "I really want to clean it up this weekend. Would you like to join me?" Stephen, one of my friends, frowned and looked a little worried. "I'd love to help, but I'm afraid it won't make much difference. Some people will just litter again soon," he said in a low voice. He was not really against the plan, but he was not confident enough.
Hearing that, I looked at him seriously and said, "Even small actions can help. If we don't do anything, the park will only get dirtier. Maybe our work can encourage others to stop littering too." Lewis nodded and said, "I believe people will notice our effort. We can also put up posters to remind everyone to protect the park." Alice added gently, "It's our park. If we don't take care of it, no one else will." Stephen thought for a while and finally nodded firmly. "You're right. Let's do it together. I'll try my best." To my joy, he completely changed his mind and became ready to take action with us.
注意:
(1)续写词数应为150个左右;
(2)请按如下格式在答题卡的相应位置作答。
We began to make plans.
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On Saturday, we arrived on time and started right away.
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11、假定你是李华,你的外国网友Jack想要了解中国农村近年来的变化。请你用英语给他写一封邮件,内容包括:
(1)介绍相关变化;
(2)邀请他前来参观。
注意:
(1)写作词数应为80个左右;
(2)请按如下格式在答题卡的相应位置作答。
Dear Jack,
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Yours,
Li Hua
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12、阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
On Saturday evening, the main hall of the Chongqing Grand Theatre was at maximum capacity. As a familiar melody rose, a singer delivered one of Giacomo Puccini's most celebrated arias (咏叹调), "Nessun dorma", drawing (sustain) applause from the audience after the final note.
From Jan. 10 to 11, the classic Italian opera Turandot, produced by the Puccini Festival, (stage) for two performances at the Chongqing Grand Theatre. The Italy-born opera has toured several Chinese cities, including Xiamen, Wuhan and Chongqing, (continue) a long-standing tradition of cultural exchange between China and Italy.
One of the most distinctive elements of Turandot is the frequent use of the Chinese folk song "Jasmine Flower". During this year's China tour, song became even more special when local children joined the Italian performers on stage, turning the familiar melody into a lively (celebrate) of cultural exchange.
In Chongqing, 41 local children formed a chorus (perform) alongside the Italian artists. One chorus member said that she had (previous) sung "Jasmine Flower" only in Chinese, but in this production, she performed the song in Italian. "Singing the same song in a different language felt very special," she said.
Principal conductor Stefano Vignati said that close cooperation local Chinese dancers, extras and stage technicians was among the most rewarding aspects of the production. The city of Chongqing (it) also left a strong impression on the Italian cast and crew. Luca Bruno, played Ping, said he was struck by the city's multi-layered urban landscape, noting that its mountains and rivers reminded him of his hometown, Cosenza.
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13、Life had always been hard for Walter. He lived in the basement of a church. This was not the first time that he had been1 and he figured he could live in his old station wagon for a while. At the age of 75, making such2 was not as easy as they had been when he was a younger man, but Walter had no other choice. He had to3.
While4 the streets of Minneapolis with an empty stomach, Walter came upon Volunteers of America Minnesota and Wisconsin's Southwest Senior Center. It was the first time that he had seen the place and he was5 to find that people there seemed glad to see him, even though his clothes were6.
He had a7 and was encouraged to stay at the center for a while and chat with other people at his age. When the center's social worker8 that Walter was homeless, she told him there were better9 than living in his car. She drove him to a number of senior housing apartments, helped him fill out10, made sure he sent them in and11 with phone calls to the building managers.
He soon had a safe, secure and affordable place to12. He made many13 and whenever he missed a day at the center, the14 would call to check up on him. Walter15 had a place to call home and met people who cared about him.
(1)A 、speechless B 、homeless C 、useless D 、careless(2)A 、appointments B 、judgments C 、observations D 、transitions(3)A 、move B 、fight C 、drive D 、walk(4)A 、wandering B 、sweeping C 、decorating D 、administering(5)A 、worried B 、puzzled C 、astonished D 、interested(6)A 、worn-out B 、well-known C 、suitable D 、fashionable(7)A 、deal B 、meal C 、task D 、negotiation(8)A 、ignored B 、mentioned C 、doubted D 、learned(9)A 、principles B 、standards C 、options D 、procedures(10)A 、interviews B 、statistics C 、assignments D 、applications(11)A 、stayed up B 、showed up C 、followed up D 、gave up(12)A 、work B 、live C 、study D 、escape(13)A 、friends B 、fortunes C 、findings D 、forecasts(14)A 、investors B 、visitors C 、staff D 、police(15)A 、regularly B 、finally C 、suddenly D 、constantly -
14、Switching from high school to college can be a big change for students, with many moving away from family and friends for the first time. .
Be prepared to be treated as an adult
The transition from high school to college is more than just a move to a higher level of education. . And although students may not feel quite like adults, that's how colleges and universities will treat them. Mail and information surrounding grades and financial aid will go to students instead of parents.
Embrace time-management tools
College offers a sense of independence that many students didn't have in their high school years. . But there are plenty of digital tools designed for students, and a little organization can go a long way in making sure time is used wisely. Smartphone apps and tools can help students limit time on entertainment and social media and maintain their study schedules.
College pushes students to develop strong communication. From group projects to communicating with professors, an ability to convey ideas clearly and work collaboratively will serve students well. That includes dealing with social issues. Part of learning as an adult is learning to have relationships and conversations with people that are different from you.
Make a plan for managing your money
. They should speak with their parents about finances and create a budget. Because expenses can add up, it's wise to look for ways to save money. Be mindful of spending and plan to be more selective about how and where to spend.
A. Polish your people skills
B. Research ways to get involved
C. Students should start getting used to the increased workload
D. University students may find themselves in financial difficulties
E. In many ways, it represents the change from childhood into adulthood
F. For those stressing over this new life chapter, there are ways to prepare
G. Balancing the academic and social demands of college can be a challenge
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15、Our solar system orbits the Milky Way galaxy's center once about every 210 million years, traveling along at around 240 kilometers per second — an astonishing rate we don't feel because the entire system moves at the same constant speed. But a new study suggests our solar system is a laggard in the universe compared with one system in our galaxy that was somehow accelerated to a speed of 541 kilometers a second, making it the swiftest planetary system ever found. "This speed was extremely high and kind of shocking," says astrophysicist Terry. It introduces a series of questions about the survivability of these types of systems.
This galactic speed "monster" appears to center on a red dwarf star (红矮星) which is smaller and less bright than our sun. It's about 24,500 light years from Earth and some 1,500 light years away from our galaxy's center. Astronomers discovered the star and a suspected accompanying planet after a 2011 "microlensing" event called MOA-2011-BLG-262, when the system passed in front of a background star and bent the latter's light. Terry and his colleagues observed the system again in 2021. They found that its known planet is most likely a gas giant with about 29 times Earth's mass that orbits its star at a distance between those at which Venus and Earth orbit our sun.
The researchers also mapped the system's position in the 2021 data relative to where it was about a decade prior, revealing how fast it traveled. It might be a hyper-speed star system, an example of a rare class of astronomical objects that have been sped up by past encounters with other stars' gravity — or even by a gravitational slingshot (弹弓) from the supermassive black hole at the center of our galaxy. These objects travel faster than 500 kilometers a second, and the speediest known one travels at over 2,000 kilometers a second.
"It's an extraordinary category of stars," Terry says, estimating that the system in this study more than doubled its speed after its own dramatic encounter. "No previous hyper-speed stars have been found with planets. This might open up a new study of the origin and evolution of planets around very high-speed stars," he adds.
(1)、What does the underlined word "laggard" in the first paragraph refer to?A、Something moving slowly. B、Something becoming famous. C、Something traveling endlessly. D、Something looking incomparable.(2)、What can we learn about the "monster" from paragraph 2?A、Its star is much brighter than our sun. B、Its planet's mass is identical to Venus's. C、It's a system discovered through its own light. D、It's closer to the galactic center than Earth.(3)、What does Terry think of the discovery?A、It is accidental. B、It is common. C、It is pioneering. D、It is strange.(4)、Which of the following is a suitable title for the text?A、The Milky Way Galaxy's Center B、The Solar System's Bright Stars C、The Fastest Astronomical Objects D、The Planetary System Speed Record -
16、Wild cats showcase a surprising diversity of eye colors, proving a mystery for researchers. Most wild species are known to have narrow eye color ranges, usually black, brown, or yellow. Eye colors' evolution is hard to track. Fossils don't preserve it; preserved samples have artificial eyes; most books illustrate only one example per species. Now, scientists have used abundant online photographs of wild cats to chart the transition from brown eyes to colors such as green and blue — and found something of a gray area.
Any animal's eye color is determined by its levels of two melanin pigments (黑色素) — eumelanin, which makes brown-black, and pheomelanin, which makes red-yellow. Eye colors vary according to the amounts of each, with different combinations leading to colors such as blue, green, and gray. Scientists, Tabin and Katherine, used a process called ancestral state reconstruction to determine the eye colors of extinct wild cat species based on those of their living descendants. They examined the clearest images submitted to the database iNaturalist, then classified each cat's eye color, and mapped the data to the cat family tree, using an algorithm (算法) to find each common ancestor's possible eye colors. The algorithm accounted for the likelihood of certain changes and figured in the time since species separated in order to generate the likeliest colors at every split.
"It's a way we can actually look into the eyes of the wild cat's ancestor," Tabin says. "The ancestor developed gray eyes, and then the eye color diversity just exploded." Once an eye with moderate amounts of both eumelanin and pheomelanin appeared (producing gray eyes), blue and green were not far behind.
The scientists next tried to connect the discovered eye colors with numerous factors, including habitat, fur color, and hunting behavior, to help explain why those shades had evolved. But they found little correlation. "Siberian dogs have those bright blue eyes because we wanted them to and bred them accordingly, but in wild cats, I have no idea what's going on here," Tabin says. Perhaps cats prefer particular eye colors in mates — but it would be challenging to test.
(1)、Why do wild cats' eye colors puzzle researchers?A、Their diversity contradicts expected patterns. B、Fossils cannot preserve eye color information. C、Too many species exist to compare effectively. D、Lighting conditions alter colors in online photos.(2)、How did the scientists conduct their study on wild cats' eye colors?A、By observing fossil records of extinct cats. B、By analyzing photos from an online database. C、By examining melanin pigments in living cats. D、By studying artificial eyes of preserved samples.(3)、What can we learn about the evolution of wild cats' eye colors from Tabin's words?A、Extinct cats had only one eye color type. B、Gray eyes led to different eye colors later. C、Blue and green eyes appeared before gray eyes. D、Gray eyes came from high melanin pigment amounts.(4)、How does Tabin feel about the evolution of wild cats' eye colors?A、Pleased. B、Relieved. C、Frightened. D、Confused. -
17、As a commercial solutions manager in a company, Robert Kurtz finds himself working right in the middle of a composting (堆肥) revolution. The composting company is based in Cleveland, Ohio. The goal is to deal with growing climate challenges by recycling as much food waste as possible, especially as the climate warms.
"If we're going to meet the climate goals that have been set out by our leaders and scientists, we're going to have to tackle food waste," Kurtz says.
Wasted food winds up in landfills. As it breaks down, it creates a gas which traps heat in the atmosphere and fuels climate change. It is reported that the average families in the US spend large amounts of money per year on food that doesn't get eaten. Businesses waste food too. That's where Kurtz's job comes in.
Every day, Kurtz contacts grocery stores, restaurants, and other food-service businesses. He educates them about the harmful effects of food waste. Then he asks if they're willing to change the way they dispose of their excess food. Besides, he guides the composting company and persuades other companies and households to do something differently with their food waste. Under his guidance, the company's 7 trucks and 30 employees pick up their clients' extra food. Then they compost it, turning it into soil.
Compost soil is much more than just dirt. It's made up of five ingredients that combine to help plants grow. That's why Kurtz and his colleagues offer a second service: They sell the composted, nutrient-rich soil to people and businesses that need it. In addition to partnering with households and businesses, they team up with local schools. In an elementary school, they help the kitchen staff compost its food scraps. The 500 students work together to place their food waste into bins during lunch periods. The bins are then collected by the company.
Emily Cass is a farm-to-school coordinator. "This program has created a space for all students to become environmental guardians in their own cafeteria when they might not otherwise have the opportunity," Cass says.
(1)、What does the composting revolution aim to do?A、To classify wasted food. B、To fight climate change. C、To meet commercial challenges. D、To produce the best types of food.(2)、What does paragraph 4 mainly say about Kurtz?A、His daily work. B、His food waste. C、His daily clients. D、His food consumption.(3)、What spirit is shown in the 500 students' action of dealing with food waste?A、Honesty. B、Bravery. C、Cooperation. D、Independence.(4)、What is Cass's attitude to Kurtz's business?A、Indifferent. B、Suspicious. C、Appreciative. D、Cautious. -
18、Visiting Joshua Tree National Park is often described as an out-of-this-world experience. It's an extraordinary place to connect with the beauty and peace nature offers.
The best time to visit it
It is open to the public year-round. Temperatures are most comfortable in the spring and fall. The spring wildflower bloom usually starts in January or February at lower elevations (海拔) and peaks park-wide from April through June. October through May is the busiest time of year, especially holiday weekends.
The best views
Keys View is one of the most iconic views in the entire park system. It's located on the top of the Little San Bernardino Mountains. The view is especially charming at dusk when Palm Springs, Indio, and other valley cities sparkle with millions of lights. In the heart of the park, 5, 456-foot-high Ryan Mountain gives a bird's-eye view of Hidden Valley and Queen Valley at the top of a steep, difficult hike that totals three miles.
Are pets allowed in it?
Pets are not allowed on hiking trails (路线) or in park buildings, or anywhere in the backcountry. They are permitted within 100 feet of roads, parking areas, and campgrounds but must always remain on a leash.
Is it accessible?
All visitor centers are wheelchair accessible and have accessible parking spaces, information desks, and restrooms. Jumbo Rocks and Indian Cove campgrounds offer accessible campsites and facilities. With paved surfaces, trails at the Oasis of Mara and Keys View are the best for wheelchairs.
(1)、Which month is the best time to see the park's wildflowers?A、January. B、March. C、May. D、July.(2)、What does Keys View feature?A、Dusk views. B、Peaceful trails. C、Difficult hikes. D、Charming valleys.(3)、What can we know about Joshua Tree National Park?A、It lacks accessibility. B、It is disability-friendly. C、It fully welcomes pets. D、It is busy all year round. -
19、阅读下面材料,根据其内容和所给段落开头语续写两段,使之构成一篇完整的短文。
Ten-year-old Sami loved to visit his grandfather's house. The house was near the beautiful blue sea. At the seaside stood thick and tall palm trees with green coconuts hanging from them. When the coconuts fell down, Sami would break them open and drink the coconut water. Sami liked to play under the trees. It was always great fun to spend the holidays at Grandpa's place.
This winter vacation, Sami was surprised when he came to his grandfather's village. There were hardly any trees left. He saw houses built near the sea. People had cut down many palm trees and there was hardly any greenery left.
Grandpa's house was different. He never allowed his trees to be cut. He hugged each palm tree in his courtyard. He also named the two big trees near the front door — one was Petu, and the other Betu. He had planted them with his own hands and today they had become large, massive trees with thick trunks. They were tall and green and gave the sweetest, juicest coconuts.
One night, Sami was awakened by a strange sound. He could not sleep. He tossed (辗转) and turned in bed.
Suddenly, the ground shook as if the earth was splitting. He sat up straight and then ran to Grandpa. He clung (附着) to his grandpa tightly. Grandpa cried out, "It's an earthquake It's an earthquake" They ran outside the house. They thought that would be safe.
Suddenly, there was a loud sound; the earth was not splitting but the sea was roaring. People were shouting, screaming and crying, "The sea is rising. The sea is rising." The villagers started running away from the beach.
Sami watched dumbstruck (呆若木鸡).
The waves were rising higher and higher. Sami thought, "How big the waves are" He went into the house again and saw water coming in from all sides. He was scared.
Sami remembered his mother telling him long ago, "You must always get out of the house if the floods come too near." He ran outside the house with Grandpa. But the water came surging (汹涌) in.
Waves about twelve meters high came rushing in, drowning everything. Water was all around and everywhere.
Paragraph 1: Grandpa held Sami's hand tightly but a huge wave separated them.
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Paragraph 2: "Sami, Sami" Grandpa cried. "Don't be scared, little one, come to me, quickly."
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20、假定你是李华,你校正在为英语文学阅读室设计标识,现向学生征集意见,请你给负责此项工作的外教Mr. Green写一封邮件,从以下三个标识中选择你最喜欢的一个,并说明理由。
1
2
3



(Open a Book, Open a World)
(Read to Succeed)
(Discover Yourself Through Reading)
注意:
1.写作词数应为80个左右;
2.可以适当增加细节,以使行文连贯;
3.请按如下格式在答题卡的相应位置作答。
Dear Mr. Green,
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Yours,
Li Hua