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What does it mean to be green? "Green" is more than just a color. It also means taking special steps to protect the environment. Why green? Plants are green, and without them the Earth wouldn't be such a lovely home for us human beings. What can we do?

Reduce It!

For instance, a shorter shower means you used less water and less fuel since your house uses to run the heater that warmed up the water.

Reuse It!

Sometimes people call ours a "throwaway society". It means that we're a little too willing to throw away old stuff (东西) and buy new stuff. For instance, if your baby brother becomes older and loses interest in his plastic basketball hoop (篮圈), why not give it to another family who has a little kid?

Recycle It!

Recycling has never been easier. Many communities will pick it up right in front of your house and some towns even require it. Recycled goods go to a recycling center, where they can be turned into new cans, bottles, and paper.

Enjoy It!

It's true that rubbish and pollution are problems, but the Earth remains a huge and beautiful place that's ready for you to explore. Go for a hike, visit local nature centers and gardens, and climb up mountains.

But before you travel the globe, take a look at your own backyard. Is there a spot where you could plant a tree or put in a little fruit or vegetable garden?

A. Get out there and get your hands dirty.

B. Here's a four-step guide to being green.

C. Turn off the water when you're brushing your teeth.

D. When you use less of something, you do a good thing for the Earth.

E. You can start locally by visiting the naturally beautiful spots in your city.

F. You can watch with pride as your tree takes root and your garden plants grow.

G. Many times, even if you no longer need something, someone else just might.

Understanding why the giant panda has such noticeable color has been a long-term problem to solve. To find out the answer, Caro and his colleagues looked at photos of pandas and 195 other carnivore (食肉动物) species, including 39 subspecies of bears. Then, they recorded the coloring on each area of those animals' bodies, and compared them with areas of the panda's body. "Compared with the previous studies, the breakthrough in this study was treating each part of the body as an independent area," Caro said.

The research team tried to figure out the purpose of the dark-colored furry areas. After going through many comparisons, the researchers determined that the white parts of the giant panda help it hide in the snow. In contrast, its black arms and legs help it hide in the shadows, they said. The panda's white-and-black coloring didn't appear to be related to temperature regulation. Nor did they find evidence that the dark circles around a panda's eyes helped to make them look cuter.

"This really was a great effort by our team, finding and scoring thousands of images and scoring more than 10 areas per picture from over 20 possible colors," study co-author Ted Stankowich, an assistant professor of biology at California State University, Long Beach, said in the statement. "Sometimes it takes hundreds of hours of hard work to answer the simplest question: Why is the panda black and white?"

Since its launch, Deepseek has been used in education, healthcare, and environmental protection. In schools, it helps teachers design courses based on students' learning habits. In hospitals, it assists doctors in predicting diseases by studying medical data. More importantly, Deepseek's energy-saving design reduces computing power consumption by 50%, making AI technology greener.

However, some experts warn that over-reliance (过度依赖) on AI might weaken human creativity. Prof. Li from Peking University says, "We should use AI as a tool, not a replacement for human thinking." Deepseek's team also agrees, emphasizing their goal is to "empower humans, not control them."

Looking ahead, experts believe AI like Deepseek will reshape careers. Routine jobs like data entry may decline, but new roles in AI management and human-AI interaction design are emerging. As the system's lead engineer Dr. Wang noted: "The real challenge isn't building smarter machines, but teaching people to grow alongside them. In the future, humans will surely coexist harmoniously with artificial intelligence."

At about 7:00 PM that evening, I got a knock on the door. A man asked if I was missing a cat. It turns out the man found Max after he'd been hit by a truck. He saw my cat lying in the road on the way to work, and stopped to see if he could do anything. He was an electrician (电工) with a full day of house visits, so he drove around with my cat in his car all day as he went through his work day. He kept Max warm, gave him water, and even split (撕) his ham sandwich with him.

I asked how he could possibly know it was my cat, for my cat is a master at getting out of his collar, so he didn't have his tags when the man found him.

Turns out, after his shift (轮班), he went door to door down the entire road where he found Max, asking if anyone was missing a cat. He said he loved cats, and would want someone to do the same for him. He went back to his car, got my cat, and asked if it would be okay with him saying a few kind words for us. I don't usually do this kind of practice, but I told him it was fine. He took a moment to wish my cat a quick recovery and a long life, then got back in his truck and drove away.

The whole interaction lasted maybe 5 minutes, and I never even got his name. My cat made a full recovery, and is sleeping next to me as I write this, 8 years later. It's the nicest thing anyone has ever done for me, and it came at a time when I was feeling pretty down about humans.

I wish I knew who he was and I could thank him properly. I'll never forget it.

What We Offer

Our summer program offers a unique opportunity to support patients, families, and hospital staff. As a volunteer, you may be responsible for a variety of tasks, including greeting visitors, assisting with patient transport, delivering flowers and mail, and helping out in the office in various departments. This is a chance to develop valuable skills like communication and teamwork while gaining exposure to a professional medical environment.

Requirements

To be part of this rewarding experience, students must be 16 years of age or older by the program start date of June 16th. The program runs for at least 5 weeks and concludes on August 1st. You will need to volunteer for 4-6 hours a day, up to 20 hours a week.

How To Apply

Applications will be accepted online from February 1st to April 1st. Please note that incomplete applications will not be reviewed, so be sure to fill out all required fields. Successful applicants will be contacted for an interview. All selected volunteers must attend an online meeting on Wednesday, May 7th, from 3:00 pm to 4:00 pm. This meeting is completely necessary as it covers important hospital policies, safety and what you will do as a volunteer.

Jimmy and Bob had a lot in common. They studied in the same class and lived in the same community, just a few houses apart. Both were top students in their class, winning praise from teachers and parents. Yet there was a sense of rivalry deep in both of their hearts. They both secretly wanted to be the best, rather than just one of the best.

One day, their teacher announced a special charity sale all students could participate in to raise money by selling homemade things. All the money from the sale would be donated to the children in a partnered special school, and the student who raised the most money would get the honor to name the activity.

Jimmy and Bob immediately decided to join separately: Jimmy planned to sell his paintings, while Bob prepared to sell candies following a family recipe with a delicious taste.

When the big day arrived, the school playground buzzed with energy: colorful ribbons and balloons everywhere, stalls (摊位) neatly arranged across the field. A few stalls away, Jimmy saw Bob's plain-looking candies and his empty cash box. He even felt kind of happy, thinking he could beat him this time. But things didn't go as expected. Jimmy's cash box was no better, with only one or two coins inside. Feeling upset, he accidentally heard two students talking nearby. "Good paintings, but I prefer something practical with my only pocket money," one student said. Their words hitting Jimmy like a lightning bolt, he suddenly had an idea.

At lunch break, Jimmy went to Bob. "Bob, I have an idea," he said seriously. "I once tasted your candies. Although they're not eye-catching, the tastes are amazing. My paintings are beautiful but not practical to students in our school. What if we work together? We can split the money equally, and if we win, we can name the activity together — if permitted."

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。

Bob studied Jimmy in surprise, his eyes lighting up a little.

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When the sale ended that day, Jimmy and Bob found their cash box was nearly full.

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(1)表明观点；

(2)陈述理由。

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。

Hello everyone,

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I welcome your thoughts. Thank you!

Originating in the Tang Dynasty, Shuyuan, or ancient Chinese academies, were unique Chinese institutions. By the Song Dynasty, they (become) China's primary intellectual centers, scholars often had critical reflection, intense exchanges and debates.

Chinese Shuyuan (wise), historically, first resonated (共振) with the West during the Ming Dynasty, when Italian missionary Matteo Ricci met Zhang Huang, then head of Bailudong Academy. Ricci studied the Confucian (classic) under Zhang's guidance, while Zhang integrated Western geographical knowledge into his own work.

This kind of dialogue lives on. In 2025, nearly 200 foreign scholars gathered at the Kaoting Academy in East China's Fujian Province for the Conference on Zhu Xi's Philosophy and Dialogue of Global Civilization, to explore how late Chinese philosopher Zhu Xi's thoughts could offer insights for resolving civilizational conflicts. Former UNESCO General Conference president Simona-Mirela Miculescu noted that Zhu's belief the inseparability of learning and virtue agrees with UNESCO's mission (build) peace through understanding, learning and mutual (相互的) respect.

As the world (active) seeks ways to engage in dialogue across different civilizations while preserving distinct identities, Shuyuan have emerged as guides from Chinese history, (enable) Chinese culture to continuously absorb nutrients, develop and innovate through dialogue with diverse civilizations around the world. Also, they allow the world to gain a (deep) and more comprehensive understanding of China.

I was, at age 7, diagnosed (诊断) with retinal dystrophy — a group of incurable eye disorders. As a child, I remember5 to see the whiteboard in class, even sitting right at the front. I6 this by copying notes from my friends. As I got older and more self-conscious, I buried the7 even more. I hated asking for help — so much that I would say I wasn't hungry at restaurants to avoid taking an awkwardly8 look at the menu.

Having failed the job interview, I realized hiding was more9 and decided to live a life with a disability:10. I began to11 to those around me when necessary. This12 even brought me close to my parents and friends, who surrounded me with understanding.

Now, I feel worlds away from the anxiety-ridden girl. I remain13 disabled, yet more14 and alive. I also know I was never meant to face this15.

The "I don't care" attitude can be quite beneficial when it motivates us to persevere, especially when others have given up. J. K. Rowling, for instance, faced widespread doubt when proposing Harry Potter, but she kept polishing her novel without worrying about criticism. It was her persistence in crafting a magical world that eventually brought her success. As you can see in Rowling's example, ignoring external doubts can actually help us stay focused on our own goals.

This happens when someone acts out of stubbornness (固执) or a desire to shift blame, or acts selfishly, focusing solely on their own desires while ignoring how interconnected people's needs are. In the case of recent social media algorithm scandals (算法丑闻), tech giants repeatedly ignored internal researchers' warnings about mental health harms to teenagers, claiming "not their department" Finally, it has caused uncontrollable rising anxiety and self-harm rates among young users.

Therefore, it's crucial to reflect on why we adopt the "I don't care" attitude. Are we motivated by confidence in our decisions, or are we simply avoiding challenges? There are times when it's crucial to care deeply about others, the truth, and personal growth. At other times, it's equally important to remain indifferent to negativity, distractions, or unnecessary pressures. By carefully choosing when to adopt the "I don't care" attitude, we can lead more fulfilling lives.

A. The key is balance.

B. Motivation comes first.

C. Great achievements tend to come from ignoring doubters.

D. When no one takes responsibility, it is everyone's disaster.

E. This mindset, however, can also have negative consequences.

F. Others, however, are always concerned about everyone's feelings.

G. While this attitude can be liberating, it also comes with potential risks.

NASA has collected samples of Martian soil that may contain evidence of very early life. That raises a bigger question: if microorganisms (微生物) once lived on Mars, could they also help us build there? The focus is biomineralization — microorganisms create minerals as part of their metabolism (新陈代谢). Erik Richards, lead author of the research, said microorganisms on Earth that burgeon in tough settings such as acidic lakes, volcanic soils, and deep caves may be especially useful as we explore what could work under Martian conditions.

The work centers on a partnership between two bacteria: Sporosarcina pasteurii (巴氏芽孢八叠球菌), which is known for creating calcium carbonate, and Chroococcidiopsis (拟甲色球藻), a strong cyanobacterium that can survive extreme environments, including simulated (模拟的) Martian conditions. Together, they transform loose soil into a solid, concrete - like material.

The long-term vision is to combine this bacterial co-culture with Martian soil and use it as feedstock (原料) for 3D printing on Mars. If it works in volume, it could change how structures are made on this red planet. The potential value is not limited to construction. Because Chroococcidiopsis can produce oxygen, it could also help enable self-sustaining agriculture and Mars's terraforming (地球化).

Even with promising ideas, their work is still at an early stage. Repeated delays in Mars sample return limit how quickly Mars-specific construction methods can be tested and confirmed. Also, robotics today is unable to reproduce Martian gravity on Earth, yet gravity affects 3D printing and autonomous construction.

Lots of experts claim that it is. They point to a recent paper by Carl Benedikt Frey and Pedro Llanos-Paredes, from the University of Oxford, which suggests a link between automation and declining demand for translators. At the same time, however, official American data suggest that the number of people employed in translation and the like is 7% higher than a year ago.

Others search the economic data for signs of the forthcoming AI job-loss, saying young graduates are now more likely than the average worker to be jobless. Well, no. American young graduates' relative unemployment rate, which is actual unemployment rate minus (减) national average unemployment rate, started to rise in 2009, long before generative AI came along. And their actual unemployment rate (2025), at around 6%, remains low.

As we examine American data on employment by occupation, we pick out workers believed to be vulnerable (易受影响的) to AI. These are white-collar employees, including people in back-office support, financial operations, sales and much more besides. We find that over the past year the employment in white-collar work has risen slightly.

Across the board, America's national average unemployment rate (2025) remains low, at 4.2%. Wage growth is still reasonably strong, which goes against the concern that AI is causing demand for labor to fall. And, outside America, earnings growth in many countries also remains strong.

There are two competing causes of these trends. First, despite the endless announcements about integrating AI into operations, few companies make much use of the technology for serious work. The second is that even when companies do adopt the tech, they do not let people go.

That said, whatever the cause, for now there is no need to panic.

Few people know the sea better than Guillaume Picard. He grew up on a boat in the port of Hyères in southern France, and spent 30 years as a commercial captain, ferrying tourists and containers across the Mediterranean.

Now aged 65, it is with no small note of bitterness that he says, "When I go hiking, I find the mountains are an environment much better preserved." Picard's beloved sea is being destroyed, he believes, by cruises. Fifteen years ago, they were a rare sight in Marseille. Now, France's second city is one of Europe's busiest cruise ports. Last year, 2.5 million passengers stopped off, according to the port authority, a million more than the year before. Faced with this new reality, Picard couldn't wait to become the sea's protector, replacing his captain's whites with the all-black of a non-violent activist.

For Picard, the switch from boat captain to protector has been a long journey of self-education. He has regrets about his former career as a commercial sailor, but is trying to share his knowledge of the maritime (海运的) world with as many people as possible in the hope that it can be useful. "I certainly feel guilty," he says. "It's guilt for having participated in the destruction of life. But maybe that is the engine that makes me an activist now."