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1、 What is the conversation mainly about?A、Where to buy a gift. B、What kind of gift to buy. C、How to make a gift.
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2、 When will the speakers watch the film together?A、This Wednesday. B、This Friday. C、This Saturday.
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3、 What does the woman usually use her phone for?A、Watching films. B、Playing games. C、Learning languages.
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4、 Where are the two speakers?A、In a classroom. B、In a library. C、In a bookstore.
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5、阅读下面材料,根据其内容和所给段落开头语续写一段,使之构成一篇完整的短文。
My husband and I flew to the USA from China to visit our daughter. One day we decided to visit Cape Cod, a beautiful bay, which was about three hours drive from Boston where we lived. Our daughter drove us there in the morning. As she was in a hurry to catch a plane, we decided to return by train in the evening. So our daughter wrote down the address just in case we should get lost before she left.
We spent a wonderful day in Cape Cod, enjoying the golden beaches, fresh seafood, and elegant shops. The weather was perfect, and we even took a short boat tour to explore the coastline. When the sun began setting, we were tired but content. We took the train and arrived at Boston at six. I thought the Boston rail station was close to our home and my husband has a keen sense of direction. There should be no problem! So I blindly followed him, without knowing where we were heading.
However, we found ourselves to be just going round in a ma ze (迷宫), with our home nowhere in sight! Being a Sunday, the roads were deserted with not many people walking around. We passed several closed shops and empty sidewalks, which only added to our growing sense of unease. We did find a few but initially were a bit hesitant to ask strangers for directions. It was getting darker. After circling the same block multiple times, we started getting worried. Turning a corner, we suddenly caught sight of a convenience store with dim light coming out the door.
注意:
1. 续写词数应为100 左右;
2.请按如下格式在答题卡的相应位置作答。
Overcoming the unease of talking to strangers, we stepped out towards the store.
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6、假定你是班长李华,本周日上午将组织全班同学进行美化校园的活动。请给外教Vincent写一封邮件,邀请他参加。内容包括:
1.介绍活动;
2.发出邀请。
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 Vincent,
Yours,
Li Hua
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7、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。
Many people hold a memory of kites. It could be a sunny spring day in a rural landscape with family members. With the wind (pick) up, the fly er runs fast until the kite rises high into the sky and dances in the air. Kites (be) close to people's daily lives since they were invented.
Many literati (文人) liked to make kites as gifts for their families and friends. One of the most famous kite lovers in history is Cao Xueqin, literary giant of the Qing Dynasty who wrote the (high) influential novel Dream of the Red Chamber. In the book, kite flying (describe) as an amusement of the big family of the time and used as symbols of the characters' destinies(命运).
Cao wrote another book in his later years collected the kite-making techniques of both southern and northern China, using (illustrate) to help readers understand and remember them. writing the book, Cao's main wish was to help people struggling financially acquire a skill (support) themselves.
Kites are attached to the Chinese cultural values (associate) with happiness and optimism. This is why the thin string linking us to kites and culture has been passed down to this day.
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8、阅读下面短文,从每题所给的A、B、C、D 四个选项中选出可以填入空白处的最佳选项。
The fire raced through Lahaina so fast that it destroyed more than 2,200 buildings, most of them homes. It left more than 7,000 people without their 1 .
As the fire was 2 nearer that afternoon, Kalyn Lepre, a 36-year-old designer, grabbed her wallet and drove out of town. She lost everything else in her house including seven surfboards. Lepre surfed almost every day; surfing was a source of 3 and a means to maintain her 4 health. Seeing her surfboards reduced to a pile of fibers was5 .
Jud Lau shared the feeling. The 53-year-old Maui native has been 6 the waves since he was a teenager and building surfboards for the last 15 years. "Surfing is a healing thing for surfers—getting in the 7 , connecting to Mother Nature. A surfboard is part of your whole being — 8 in Hawaii, where surfing 9 ,"he says.
So he realized he could help the surfers who had lost their boards. Lau started by connecting people who wanted to 10 extra boards. Friends in California collected another boards and shipped them to Lau for him to give them away.
But many surfers, like Lepre, used custom(定制的) boards designed to 11 their size or the type of waves they ride. So Lau raised cash donations to cover the cost of 12 for making custom boards and contributed his labor.
Lepre 13 him what she'd lost, and Lau carefully built it in his studio. It's a high-performance board with a sunset fading from yellow to orange.
"I cried when I saw it," says Lepre, emotion 14 in her voice. "Just getting back in the water was one of the most powerful 15 of my life. Jud gifted me back mental healing as well as physical pleasure."
(1)A 、 aims B 、 careers C 、 hometowns D 、 properties(2)A 、 attacking B 、 shooting C 、 approaching D 、 sweeping(3)A 、 imagination B 、 income C 、 joy D 、 innovation(4)A 、 mental B 、 physical C 、 fundamental D 、 environmental(5)A 、 confusing B 、 shocking C 、 embarrassing D 、 disgusting(6)A 、 researching B 、 drawing C 、 adoring D 、 riding(7)A 、 atmosphere B 、 scenery C 、 harbour D 、 ocean(8)A 、 specifically B 、 obviously C 、 especially D 、 entirely(9)A 、 originated B 、 developed C 、 improved D 、 survived(10)A 、 sell B 、 remove C 、 donate D 、 exchange(11)A 、 fit B 、 change C 、 measure D 、 maximize(12)A 、 decoration B 、 metals C 、 handwork D 、 materials(13)A 、 lent B 、 messaged C 、 paid D 、 asked(14)A 、 bringing up B 、 setting up C 、 pulling up D 、 welling up(15)A 、 opportunities B 、 resources C 、 experiences D 、 responsibilities -
9、阅读下面短文,从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。
There are many tough talks we need to have in our daily lives. When we do have them, it's likely that we end up yelling at each other. That is because our brains treat having our ideas attacked in the same way our body is being attacked. Follow the tips below and you will find a way out.
Prepare ahead
Are you trying to persuade the other person to accept your viewpoint or solve a problem? It's important to understand why you want to have the conversation in the first place. Then practice your message. When you begin, explain that you'd like to start by hearing the other person's point. This relieves tension and shows that you're on the same team.
Actively listen
Wait patiently for someone to finish their sentence. Don't interrupt. Really listen.. For example: "I heard you say you're upset because you think our group dragged the class down in this activity. Am I right?" Then ask deeper questions that get at the person's values. A good example: "What led you to feel so strongly about this?"
Slow it down
Speak slower. If you need a longer break, explain that the conversation isn't going the way you'd hoped and ask to continue it later. Then offer to take some action to further educate yourself on the subject before your next conversation. This builds trust.
Discuss next steps
Ask the other person how he or she wants to move forward. And remember, it's OK to disagree. People are giving you the gift of their time even if they disagree with you. The goal is not to "win" the conversation, but to communicate important, if difficult, information in a way the other person can process and be heard themselves.
A. And ask if you heard it correctly.
B. Try to remember what the speaker said.
C. If things get heated, take some deep breaths.
D. Thank the person for his or her willingness to talk.
E. Write it down and practise it in a calm tone of voice.
F. How can we carry out a tough conversation smoothly?
G. What helps us win a conversation when we feel threatened?
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10、 阅读下列短文,从每题所给的 A、B、C、D 四个选项中选出最佳选项。
The UK is now the most overweight nation in Europe and the evidence is all around us. As a doctor, I see it daily in practice, dealing with its complications(并发症) ranging from diabetes and high blood pressure to heart disease and cancer. So what are we doing about it?
Not enough is the honest answer. First, weight management services, such as mental health guidance, surgery and slimming drugs remain very limited. Also, measures taken in consulting rooms are too often centered around scaring people into action: if you don't lose weight you will have a heart attack or develop diabetes.
Scaring the individual is neither helpful nor effective. Becoming more active is beneficial for many reasons, but exercise alone is not a great way to lose weight, not least because you have to run for at least an hour to burn off a beef pie. Drugs and surgery also have their place but are not required for most overweight people. So I prefer to combine proper exercise with a diet for the best result. But which diet?
Often I recommend the low-carb approach, which involves cutting back on sugary drinks and foods, and starches(淀粉) such as rice and bread. I don't believe there is anything magical about the approach but it has a number of benefits: it seems easier to follow than many other approaches, and it helps lower blood sugar levels for the ten million or so people in the UK who already have type 2 diabetes or are at high risk of developing it.
Solving the obesity (肥胖) problem involves not only supporting and encouraging the individual, but also changing public health and government policy. Efforts are being made and change is already under way.
(1)、How does the author illustrate his opinion in paragraph 2?A、By explanation. B、By example. C、By comparison. D、By assumption.(2)、What are the benefits of the low-carb approach?A、It helps to reduce body weight quickly. B、It saves patients from drugs and surgery. C、It's effective and promotes food industry. D、It's easy to stick to and lowers blood sugar.(3)、The main purpose of the passage isA、to provide practical suggestions B、to criticize traditional approaches C、to present the findings of a research D、to analyse the causes of a problem(4)、What is the author's attitude to the future of solving the obesity problem?A、Critical. B、Positive. C、Uncaring. D、Uncertain. -
11、 阅读下列短文,从每题所给的 A、B、C、D 四个选项中选出最佳选项。
Tim Cook of Apple and Bob Iger of Disney lead the trend among CEOs to wake early, often before 6 am, a habit shared by two-thirds of American CEOs. This contrasts sharply with the general population, where less than a third rise early. The underlying message is that early rising relates to success.
Bartleby, a columnist, has tried early starts and acknowledges benefits like clearing inboxes and solving problems before the day's mess. A 2012 study supports the benefits of early rising. It finds early risers to be happier and healthier, while night owls often suffer from insufficient sleep, affecting their mood, health, and productivity. The research also indicates that late risers earn 4% less than early risers. What's more, early risers enjoy higher social status, with latecomers often viewed as lazy or undisciplined.
However, rising early has its drawbacks. Early risers might end up working as late as others due to urgent tasks that arise during the day. Moreover, they may become socially dull, missing out on evening socializing. Night owls, by contrast, tend to engage more in social activities.
Changing one's natural sleep pattern is difficult due to genetic (基因的) factors. Bartleby's own attempts to wake early led to too much caffeine consumption. Finally, the best advice might be to accept one's natural rhythm and stop worrying about your body clock. Most people are neither early birds nor night owls, but in between. Many, including Bartleby, get sleepy in the afternoon, too. That is why most offices operate between 9 and 5 and why they ought to have nap rooms.
(1)、What does the author want to prove by mentioning Tim Cook and Bob Iger?A、Waking up early has something to do with success. B、Rising early enjoys great popularity among CEOs. C、Starting early tells CEOs and general people apart. D、Getting up early benefits people's mood and health.(2)、What can be concluded about early risers?A、They suffer from insufficient sleep. B、They are better paid than later risers. C、They tend to be the last to leave the office. D、They spare evening time for social events.(3)、What does the author suggest on changing the sleep pattern?A、Adjust the body clock gradually. B、Drink caffeine to keep awake. C、Don't transform the natural rhythm. D、Don't get into the napping habit.(4)、What does the passage mainly focus on?A、Advantages and disadvantages of early starts. B、Development and importance of early rising. C、Relationship between early starts and success. D、Differences between early birds and night owls. -
12、 阅读下列短文,从每题所给的 A、B、C、D 四个选项中选出最佳选项。
Sia Godika was 13 when she noticed the barefoot children of construction workers at a building site near her house in Bangalore, India. "Their feet were bare, dirty, cracked and bleeding," reflects Sia, "They were just walking around that building site like it was an everyday practice for them." And it was in that moment that Sia realized how lucky she herself was.
She went back home and opened her closet doors, seeing shoes piled up high. She headed to her mother's closet next, literally dusting off spiderwebs from some shoes. Then she rushed to give them all away to the barefoot children.
Later that year, with the help of her parents, Sia founded Sole Warriors, a charity organization devoted to providing footwear for those in need, as is clearly shown by its motto: "Donate a sole (鞋底), save a soul." Telephone calls from people who wanted to help came flooding in. For months, Sia stayed up till 2 a. m, contacting people and dealing with related affairs. Now in its fifth year, the organization collects used footwear, repairs it and donates the finished products to people in need. In its first campaign, Sole Warriors gave out 700 pairs of shoes. Today that number stands at around 28, 000, thanks to the hard work of a team of about80 volunteers.
But the oragnisation's growth wasn't without its challenges. When Sia was trying to find a company which was willing to repair and clean up the worn-out shoes free of charge, she faced one difficulty after another before finding a partner in India's Pressto Cobbler. "Being a13-year-old, I did face a lot of bias(偏见) because at my age, people were less willing to hear me out," says Sia.
In recognition of her impact, in 2021 Sia was given the Diana Award, one of the greatest honours a young person can receive for social work. But her work isn't done. "Our goal has always been to touch a million feet," she says.
(1)、What does the underlined part indicate?A、Sia's parents cared for others very much. B、Actually spiderwebs covered some shoes. C、Her mother's closet was covered with dust. D、The shoes hadn't been worn for a long time.(2)、Why did Sia set up Sole Warriors?A、To provide free shoes for those in need. B、To improve her problem-solving ability. C、To encourage people to buy only what they need. D、To win the Diana Award for social contributions.(3)、What challenge did Sia face in running the organization?A、Few people would donate shoes. B、The running costs were too high. C、Communicating ability prevented her. D、She had difficulty finding a cooperator.(4)、Which can serve as the best title for the text?A、Clothes do not make the man. B、Walk in someone else's shoes. C、Learn to walk before you run. D、Life without difficulties is too dull. -
13、阅读下列短文,从每题所给的 A、B、C、D 四个选项中选出最佳选项。
The opening ceremony of the Paris Olympics will drive the capital into an Olympic craze. Here's a comprehensive guide.
When is the ceremony?
The opening ceremony kicks off at 8.24 pm on July 26 2024, which happens to be 20.24 if you're using the 24-hour clock.
Where is the ceremony held?
It will take place outdoors, along the banks of the River Seine and even through its waters.It's the first time in the history of the Summer Games that an opening ceremony hasn't been hosted in a stadium, which hugely increases the audience capacity (容量).
What activities are planned during the event?
Around 10,500 athletes from different national delegations(代表团) will gather on boats.By tradition, the Greeks will lead the way. Besides the national anthems ( 国歌), official speeches and symbolic releasing of doves, it's often the artistic performances that stand out the most at Olympic opening ceremonies.
Who is directing the ceremony?
Famous stage director Thomas Jolly has been appointed as the artistic director. The ceremony promises to be an impressive performance, combining theatre, dance, circus and opera. The director has also absorbed stories of people living and working near the river, giving the show a touch of local charm.
Are tickets for the ceremony open to the public?
They are indeed, as 100,000 tickets were put on sale in May 2023, with prices ranging from€90 to a shocking €2,700. Between 300,000 and 500,000 free tickets will be made available. If you don't catch the ceremony in person, you can always watch the whole thing on TV.
(1)、What is a special feature of this opening ceremony?A、To be held along the Seine. B、To include artistic performances. C、To sing national anthems. D、To have the Greeks lead the way.(2)、What are the athletes expected to do at the opening ceremony?A、Set free peace doves. B、Deliver official speeches. C、Get together on boats. D、Show local charms of Paris.(3)、What is the maximum number of tickets open to the public?A、100 thousand. B、400 thousand. C、600 thousand. D、800 thousand. -
14、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。
The more you trust and believe in angels, the more they will pour their blessings upon you.
It was our first day to explore the city of Moscow on our own, without a friend or tour guide leading the way. My husband and I had completed a week-long tour and felt confident that we could wander through the streets by ourselves now. We had enjoyed a full day of exploration when suddenly the sky turned from clear blue to gray. "It's time to head back!" I said.
As we went on along the road to our hotel, Kvart, the storm clouds covered the entire sky, and the first raindrops began to hit our heads.
"Should we grab a taxi?" I yelled, the rain being so loud that I had to raise my voice.
"No, we can make it," my husband boomed back. "It's only a twenty-minute walk."
As the rain and wind increased, so did our footsteps. The streets had turned into roaring rivers that quickly soaked our shoes. Suddenly, the biggest eruption of thunder I had ever experienced sounded directly above us! I thought my heart truly stopped for- that moment.
We hurried forward, but it wasn't long before we realized that we had been walking much longer than it should have taken us to reach our hotel. Where on earth did we take the wrong turn? We had not bought international phone cards, so we couldn't call for help, and the streets were empty.
Suddenly we noticed some lights on at a gas station. Great, at least we could ask someone there for help! As we approached it, two men were refueling their Chevrolet car. We asked them how to get to Kvart. They didn't reply but managed a friendly no d and smile. We went on to explain the situation with the few awkward Russian phrases we had just learned. They listened intently, but it was obvious that they were becoming increasingly confused. We had to try our luck back on the street, praying deep down, "Please, send angels to lead us back."
注意:(1)续写词数应为150个左右;.(2)请按如下格式在答题纸的相应位置作答。
Then a familiar Chevrolet-car pulled up besides us...
Finally they understood what we meant.
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15、假定你是李华,是校留学生文艺社(the International Student Arts Society)的负责人。你的任期即将结束,请在换届选举活动上发表离任演说,内容包括:(1)回顾社团活动;(2)发表感想;(3)表达祝愿。
注意:(1)写作词数应为80个左右;(2)请按如下格式在答题纸的相应位置作答。
Good morning, everyone!
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16、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。
For the 23-year-old Zhang Liang, physical disability has never been a barrier to stop him from achieving success.
Zhang, from Anhui province, has osteogenesis imperfecta, a rare genetic illness makes bones extremely weak, since he was a child.
frequent fractures (骨折) meant he couldn't walk independently, he remained optimistic and hardworking. In 2022, Zhang rode a twitter car to take the national college entrance exam, touching the hearts of many people. His efforts paid off. He performed well in the exam and (admit) to Anhui Polytechnic University.
Getting rid of the twister car and walking independently was always Zhang's dream.
After entering the college, under the (guide) of his professor, he, along with some classmates, (form) a small scientific research team to design a set of (wear)devices that help disabled people perform various daily activities. With the support of warm-hearted people, they finally completed the design (use) the 3D printing technology. Assisted by set of devices, Zhang finally managed to walk.
He also participated in the recent college students' career planning competition in Anhui province and won the second prize. "My goal is to become a responsible businessman the field of human intelligent exoskeleton," Zhang said at the competition. He hopes to use his professional knowledge and practical experience (help) more disabled people with intelligent equipment.
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17、阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项。
—When an animal passes, it leaves holes that need time to repair.
Neki was my best friend. I met her 1 in my 20s. One cold morning, I was walking to work when a tiny face poked(探出) through a bush. She was 2 . I picked her up and warmed her. But since I had no spare time for a cat, I put it down and continued 3 . Seconds later, pin-like claws(爪) attached themselves to my 4 . Orange eyes peered up into mine. I had no 5 . I took her home. She slept next to me for the rest of her life.
When Neki died, I didn't think I would be consumed with 6 . She was only a cat, after all. But the ache I felt was real. I 7 myself at work but still was on the verge of tears at the me re thought of it. My work greatly suffered. 8 , my contract ended. But being fired was 9 because it was in this stillness that I began the healing.
I tried to 10 the sorrow at first but it forced me into isolation. Then I learned to talk about my grief openly and 11 it with my family. This made me feel 12 and stronger. I granted(准许) myself the time to 13 Neki's objects. My home felt empty but the expectation of Neki's presence remained. All I could do was 14 .
Slowly, the ache eased. After a year, I surprised myself one morning when I woke up and didn't 15 to see Neki. She finally rested in my memory.
(1)A 、 in time B 、 in person C 、 by choice D 、 by accident(2)A 、 trembling B 、 starving C 、 stretching D 、 resting(3)A 、 weeping B 、 praying C 、 walking D 、 complaining(4)A 、 face B 、 ankle C 、 knee D 、 shoulder(5)A 、 clue B 、 option C 、 chance D 、 intention(6)A 、 fear B 、 tension C 、 guilt D 、 sadness(7)A 、 enjoyed B 、 proved C 、 pushed D 、 challenged(8)A 、 Similarly B 、 Unsurprisingly C 、 Temporarily D 、 Unrealistically(9)A 、 the last straw B 、 a mixed blessing C 、 a hot potato D 、 the bottom line(10)A 、 hide B 、 avoid C 、 erase D 、 ignore(11)A 、 argue B 、 connect C 、 share D 、 leave(12)A 、 moved B 、 satisfied C 、 healed D 、 inspired(13)A 、 clear away B 、 give back C 、 sort out D 、 take apart(14)A 、 wait B 、 cry C 、 stop D 、 recall(15)A 、 afford B 、 pretend C 、 manage D 、 expect -
18、阅读下面短文,从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。
It's natural to compare yourself to others, and even envy them, if you hop on your social media for a few minutes. With just a few clicks, you're flooded with vacation photos, updates, and ads. In this article, we'll teach you how to avoid certain triggers(触发因素) so you can stop comparing yourself to others.
Identify your triggers and avoid them. To stop comparing yourself to others, pay attention to the people or events that trigger your behavior. Do you feel dissatisfaction with your life after looking at high-end goods? Write down your comparative thoughts as soon as they happen so you can limit your exposure to these situations.
Appreciate others instead of. envying them. If you have friends who are highly achieving people, you might consider that their networks are full of people who might be able to help you become more successful in your life. Instead of envying their success, be supportive and use their success to your benefit.
Instead of focusing on your "weaknesses," reflect on the areas you can improve. Take classes, workshops, or lessons to improve your skills, and don't be afraid to ask other people for help along the way. By putting yourself first, you can promote your self-confidence and find your place and value.
Talk to a trusted friend or family member. When you habitually compare yourself to others, you can feel even more inadequate or discouraged. Discuss your comparative behavior with a loved one to release any negative beliefs and help you process your emotions.
A. Build your self-confidence.
B. Work on improving your abilities.
C. Do you have a positive thought about yourself?
D. Consider the advantage that others can bring you.
E. You might be surprised to hear they feel the same way as you.
F. Is there someone who always makes you feel bad about yourself?
G. But it doesn't mean you have to "keep up" to live a content and meaningful life.
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19、 阅读下列短文,从每题所给的A、B、C和D四个选项中,选出最佳选项。
Free-riding means people can benefit from a service without paying anything. It also arises if people can get benefit without making equal contributions. So a free rider always enjoys the benefits of a resource or service while letting someone else do the work or do more work.
There are several effects of the free rider problem. The first is the Tragedy (悲剧) of the Commons, a situation in which individuals with access to a public resource act in their own interest and, in doing so, finally use up the resource. For example, imagine that a group of people share a piece of land where they all graze (让……吃草) their cattle. If each person just tries to maximize their own short-term gain, they will let their cattle graze as much as possible. However, if everyone does this, the land will quickly become overgrazed and will not be able to support any cattle.
Another effect is that the free rider problem can lead to a situation in which people do not have access to important goods and services. This is because providers may not be able to get back the costs of providing the goods or services if too many people free ride. Imagine that a city decides to build a new hospital through donations. If too many people rely on others to donate, rather than donate themselves, then the hospital may not be built at all. This means that people who need medical care in the area may not have access to it.
There are several solutions to the free rider problem. Government addresses the problem by collecting tax dollars to support public services. Theoretically, taxes are related to income, so fair cost-sharing can be achieved. Communities can turn their public resource into a private or club resource, charging fees to make sure everyone who uses it contributes to it. This will limit overuse and, over time, may even lead to altruistic (利他的) behavior. That is, many people may like the idea of making a small contribution to a resource that they use.
(1)、Which of the following may best show the nature of free-riding?A、Less is more. B、Many hands make light work. C、Let George do it. D、Jack of all trades and master of none.(2)、What is one of the effects produced by the free rider problem?A、People tend to maximize their long-term gain. B、A group of people have to share goods and services. C、Individuals overuse a shared resource for personal gain. D、The costs of providing the goods and services are rising.(3)、How is paragraph 3 mainly developed?A、By referring to a study. B、By giving an example. C、By making a comparison. D、By explaining a definition.(4)、What is the main purpose of the passage?A、To draw people's attention to public services. B、To stress the importance of making donations. C、To inform the readers of the free rider problem. D、To call on the government to solve the free rider problem. -
20、 阅读下列短文,从每题所给的A、B、C和D四个选项中,选出最佳选项。
"Big Tree," an old southern live oak, sits in a park just outside Orlando's business district. It's been struck by lightning at least three times and has survived many hurricanes—— and it grew from a seed around the same time Juan Ponce de León's ship first landed on Florida's eastern coast.
Over 400 years old, the tree is so impressive that members of a Michigan-based nonprofit flew to Orlando in February to climb the tree and cut branches and leaves. The researchers are now in the midst of the process to grow new roots from the cuttings. The reason: To clone the historic tree, store its DNA and plant potentially thousands of cloned trees across the Southeast.
In order to clone an ancient tree, researchers must climb it to find a piece of live tissue. The freshly cut branches and leaves are taken to the group's lab in Michigan, where, in climate-controlled rooms, researchers work to promote growth from the cuttings.
The most common method is by rooted cuttings. In this method, a tip of a tree's branch is dipped (蘸) into hormones, placed into a foam plug (泡沫塞) and set inside a mist room. Then, the waiting begins. A sign of life can take several months to a year to show, if one comes at all. In another method called tissue culture, researchers take a quarter-inch of branch, dip it into a mixture made up of a dozen hormones and other chemicals, seal(密封) it in a container and wait to see whether it will grow roots.
Experts 'lauded the group for its creative methods and reproduction in large numbers, but they doubt whether the clones will grow as the originals do. Scott Merkle, a professor of forest biology at the University of Georgia, said, "There are so many variables that there's no certainty that they will be able to survive and perform better than other trees that you plant on the same land". He added that the age of historic trees makes them difficult to study. "I think it's a great thing that they're doing…I just don't know how realistic it is."
(1)、According to the passage, what do the researchers aim to do?A、To clone an ancient tree from its original. B、To save thousands of trees across the Southeast. C、To analyse the effects of climate on tree growth. D、To study the reason for the survival of "Big Tree".(2)、What do we know about the two methods mentioned in paragraph 4?A、Tissue culture is the most frequently used method. B、There is a chance that the branch will fail to grow roots. C、In the first method the live tissue is sealed in a container. D、A mixture of hormones and other chemicals is needed in both methods.(3)、What does the underlined word "lauded" in paragraph 5 mean?A、Joined. B、Charged. C、Praised. D、Contacted.(4)、What's Scott Merkle's attitude to the group's work?A、Cautious. B、Critical. C、Approving. D、Unclear.