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In Wei Yuansong's office drawer is a thank-you letter (sign) by an entire Sri Lankan village. It contains the shared memories of decade-long fight against a killer kidney disease that had troubled villagers for years for their lack of safe drinking water.

Now director of the Laboratory of Water Pollution Control Technology at the Chinese Academy of Sciences, Wei says his connection to Sri Lanka began in August 2013, he received an email from Dr S. K. Weragoda about collaboration on water treatment (deal) with Chronic Kidney Disease of Unknown Etiology (CKDu). Then, CKDu was a major public health issue in Sri Lanka, over 40,000 people affected by the disease since the mid-1990s. In 2016, then Sri Lankan President referred to it as a national disaster that was causing 5,000 deaths a year.

In August 2014, Wei made his first visit to Sri Lanka with Weragoda. "Many local residents thought we, like other foreign researchers, were there to write papers, not to (genuine) help them," Wei says. The two scientists had to try to win their trust, and were eventually welcomed to take crucial samples for (analyze).

Following extensive coordination between the two sides, a deal was inked in March 2015, (enable) joint research into the causes of CKDu and drinking water safety. Since then, Wei (frequent) Sri Lanka with other Chinese scientists to conduct research into water treatment solutions (suit) for local conditions. During the following years, the Chinese academy and its partners built four drinking water facilities in Sri Lanka, providing safe drinking water to over 5,000 villagers and more than 1,300 students.

I3 free play during my own childhood. I spent time outside —4 to run a restaurant and messing around in the dirt. I spent time inside — constructing5 buildings and tracing the same pictures over and over onto lined paper. The6 blur (变模糊) together into one happy childhood.

When I became a teenager, the activities7, but the attitude toward play didn't. As my8 started finding part-time jobs, I continued to have9 free time. I often asked my parents why they weren't trying to10 a sense of responsibility by making me do more adult things. My parents told me my only job was being a(n)11. Beyond that, a person only gets to be a kid once, so I should enjoy it.

Sure, I "wasted" a bunch of time playing video games, which might be assumed12 to my overall character. But the funny thing is, even the time used to play video games13 into useful skills and complicated video game stories14 the first novel I wrote.

For anyone who worries that playing may make15 adults, you have core duties, probably work and a family. Beyond that, a person only lives once. Enjoy it while it lasts.

Make sure your suitcase is noticeable. If you have a basic dark blue or black suitcase like everyone else, try to place a distinct piece of decoration on it, like colorful luggage tags.

Choose direct flights when possible. It isn't always possible — or affordable — to choose a direct flight. Direct flights reduce the risk of your luggage being mishandled during transfers. If you must have a stopover, try to allow ample time between connections.

When it comes to air travel, we're taught that the earlier you get to the airport, the better. And for the most part that's true — but checking in too early comes with risks. If you show up four to six hours before departure to check in, luggage might go into a holding area instead of the area for your flight. If this happens, your luggage can get lost more easily.

If your luggage does happen to get lost, it's important to alert the airline as quickly as possible. Sometimes, reaching out to the airline on social media can quicken the process. Many airlines monitor their social media accounts closely and respond quickly to public posts.

A. Get to the airport early, but not too early.

B. But when it is, it's wise to skip the stopover.

C. This helps prevent someone else from mistakenly taking your suitcase.

D. But a tracker can't technically stop your suitcase from getting lost.

E. While basic black luggage will never go out of style, it doesn't stand out.

F. However, due to the fact that we're all human, it does happen occasionally.

G. Provide them with a detailed description of your luggage and unique identifiers.

A new study led by the University of Oxford has carried out a comprehensive assessment on the link between sociality and different life history traits such as generation time, life expectancy, and the length of their childbearing period. Up to now, research evaluating the overall impacts of sociality on performance has focused on single species or groups, such as birds or some mammals. The new study assessed 152 animal species, including birds, mammals, insects, and corals.

The results of the study showed that more social species live longer, postpone maturity, and are more likely to reproduce (繁殖) successfully than more solitary species. While social species may not be the best to adapt and benefit from a rapidly changing environment, they are often more adaptable as a group. This finding supports the hypothesis that, even though sociality comes with some obvious costs, the overall benefits are greater. The study also revealed that sociality does influence the reduction in an animal's ability to reproduce or survive as they age, known as senescence. For example, social allies may help protect against predation, increasing lifespan, but the stress of social hierarchies (等级) and conflicts can have the opposite effect.

Lead author Associate Professor Rob Salguero-Gómez (Department of Biology, University of Oxford) said, "Sociality is a fundamental aspect of many animals. However, we still lack cross-taxonomic (跨分类学) evidence of the fitness costs and benefits of being social. Here, by using a huge number of animal species, this work has demonstrated that species that are more social (most monkeys, elephants, flamingos, and parrots) display longer life spans and reproductive windows than more solitary species (some fish, reptiles, and some insects)."

Further research is ongoing in Associate Professor Salguero-Gómez's research group to expand the database and combine the data with lab work and further modelling to estimate how more social populations fight climate change.

The randomized controlled experiment was conducted in Dane County, Wisconsin, focusing on whether arrestees were released on their own recognizance or subjected to cash bail. The researchers led by Imai and Jim Greiner set their sights on hearings held by a single judge and also analyzed the arrest data on the former arrestees for up to 24 months later. Results showed that AI alone performed worse than the judge in predicting re-crime. "I was surprised by this," Greiner said. "It seems that this algorithm had been set to be too severe and recommended measures that were too heavy."

However, this issue could be fixed by recalibrating the algorithm. "It's a lot easier to understand and then fix the algorithm or AI than the human," Imai said. The advantage of AI or an algorithm is that it can bring equality. The AI studied here just focused on age and nine factors related to past criminal experiences, instead of some other societal factors such as race. He acknowledged that the study's findings may be cause for concern, but he noted that people have prejudice as well.

The way the criminal justice system is currently using AI as well as unguided human decisions should be studied with an eye to making improvements, Greiner added. "I don't know whether this is comforting, but my reaction to people who are afraid or skeptical of AI is to be afraid and skeptical of AI, but to be potentially more afraid or skeptical of unguided human decisions."

Vicky's dedication paid off when she received a full scholarship to Marshall University in the USA. She chose the university because it allowed her to balance professional skill development with her studies. This became a key moment in her life. At Marshall, Vicky excelled, becoming a Women's Tennis Association (WTA) world ranking holder and a certified professional coach. However, a severe injury ended her competitive career, leading her to start a new chapter as a coach.

As a coach, Vicky enjoys meeting new people and helping players grow, both on and off the court. Her program, Slamin Tennis, encourages young coaches and works with 16 local schools to teach tennis to children. Vicky commits to creating individual pathways for players, such as under-10 and under-12 groups, and getting them into competitions early to develop their skills.

Vicky's passion for tennis is evident in her awards, including the Tennis Victoria's

Excellence in Coach Award and the TCAV Coach of the Year. What's more impressive is her commitment to inclusiveness (包容), providing opportunities for people with disabilities through special programs. Having experienced exclusion due to a vision problem in her childhood, Vicky is a strong advocate for inclusion in sports.

Vicky's love for tennis is matched by her love for inspiring young people and making them feel valued. Outside of tennis, she also enjoys mountain bike riding. Her unique journey from player to coach to founder shows her dedication to the sport and to creating a welcoming environment for all players.

During the Cambridge and King's College & Chapel Tour, our expert guides will take you on an enjoyable tour of King's College — full of interesting historical facts and fascinating stories.

Some of the highlights include:

·The chapel that took 100 years to complete

·King's College Chapel — the finest example of Perpendicular Gothic Architecture in Europe

·The magnificent fan-vaulted ceiling, largest of its type in the world

·The most complete set of 16th-century stained glass

In addition, you will see more iconic sights such as the Senate House, the Old Cavendish Laboratory, Gonville and Caius College, the Corpus Clock and much.

Tour details

Tours run every Saturday at 1pm with additional days and dates added from Easter.

Advance booking is advised.

Tours are 90 minutes long.

Tours cost £35 per person (£25 per child). This includes your entrance ticket to King's College.

Our Cambridge Highlights and King's College public walking tours depart from The Cambridge Tourist Information Centre 11 Guildhall, Peas Hill, Cambridge CB2 3PP.

Please arrive 10 minutes before your tour is due to start.

Your guides will make themselves known to you. They will be wearing the official Green or Blue Badges to show they are qualified guides.

Contact: 01223752660/sales@cantabtours.com

As a young child, I used to have no confidence in myself. Even when I was in the sixth grade, I still couldn't ride a bike smoothly, a skill that many of my friends had mastered at a younger age. It made me feel like a slow learner, and the more I compared myself to others, the more I felt hopeless.

However, my elder brother Bob, who was always my source of inspiration and support, noticed my problem. He believed that I could get over this challenge, and he offered to help me learn how to ride a bike. At first, I was doubtful, thinking that I couldn't master it. But Bob's trust in me finally convinced (说服) me.

One day, we decided to go to a small slope (斜坡) near my home. Bob believed that it could make it easier for me to learn to ride. As we walked towards the slope, he kept encouraging me, "It's not as hard as you think. You just need to get on and give it a try."

Once we reached the slope, Bob first explained the basic rules of riding a bike and the importance of keeping balance. Then he helped me onto the bike and gave me a gentle push. All at once, I felt the wind rushing past me as I started rolling down the slope. My heart was a mixture of excitement and fear. I couldn't focus on keeping my balance or keeping the bike in the right direction so my first try ended in hitting into the bushes (灌木丛) beside the slope unluckily. It was too much pain. As I stood up from the ground, the thought of giving up came flooding my heart.

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。

Just at that moment, Bob rushed over.

_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

With such encouragement, I pulled myself together and biked again.

_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

1. 爬山时间、地点；

2. 山上景点介绍；

3. 物品准备。

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 Jocy,

________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Yours,

Li Hua

Then the day came that my first round to6 the football team was going to happen. The result came out but7 I did not succeed in the first round. I was feeling a bit depressed (沮丧) due to much time I spent preparing for it. But, soon I tried to find a(n)8. I waited for the second round. Deep inside my mind, I was quite sure that I was going to be a9 because I had always10 one particular teaching from the book. That is when something bad happens, something11 will surely happen.

After six months, the second round was12 and it became the best day of my life because I had13 my dream.

From my14, the really important things to be noted are to hold on to your dreams and you must have15 in your ability.

Cultural tourism helps to encourage the protection of culture and heritage by keeping endangered traditions alive. For example, heritage handicraft skills (手工技能) might be little practical, but outside interest could be enough to safeguard a tradition that might otherwise have been lost.

Cultural tourism also improves education., such as workshops, language lessons, or historical tours. They can learn about the traditions and customs of different cultures, and enrich their knowledge and experiences.

However, when cultural practices and traditions are presented only for tourism purposes, they may lose their true meaning and become superficial (表面的) performances aimed at entertaining tourists..

In addition, a lot of tourists can put a pressure on local resources., which leads to overcrowding, too much pollution and damage to historical sites.

Most importantly, cultural tourism may lead to the loss of cultural diversity. As destinations become more popular to mass tourism, there is a risk of homogenization, where cultural practices and traditions become standardized to the tastes and expectations of tourists.

, can the benefits outweigh the downsides.

A. Only when culture tourism is managed properly

B. This can lead to a misunderstanding of the culture

C. It is important to improve cultural understanding and respect

D. Because cultural tourism often involves travelling to far areas

E. Travelers have the chance to take part in educational activities

F. But it's worth noting that this type of travel has both benefits and downsides

G. Popular cultural destinations often experience an increase in the number of visitors

He spent endless hours playing with his friends on the island's shining white beaches. He liked to kick around a soccer ball on the sports field in his village, and in mango season, he would shake the trees to collect their colorful fruit. Whenever he wanted to avoid doing his homework, he could simply disappear into the thick forest that covered much of the island.

Today, Nyangai is disappearing, swallowed up by the sea. As recently as ten years ago, it still measured some 2, 300 feet from end to end. What's left today is a patch of (一片) sand which is 300 feet long and 250 wide. The forests are gone, flooded by saltwater. The soccer field lies under water for 22 hours of the day. And the land on which Charlie's family home once stood, the home he was born in, has been disappearing under the waves. In as little as two years, Charlie fears, Nyangai may no longer exist at all.

With nearly a third of its population living in coastal areas, and its heavy reliance on agriculture and fishing, Sierra Leone has been treated as one of the world's most vulnerable countries to the effects of climate (气候) change.

Gabriel Jaka, head of operations for the country's Meteorological Agency, says the reason for Nyangai's troubles is clear. "We're seeing a significant sea-level rise and these people don't have any proper defenses," he says. "All they have are sandbags. If we don't act now, the effects on people are just going to get worse."

Then there's the one my Colombian family does every year: the Novena de Aguinaldos. We pray (祈祷) for nine days without a stop, and this Novena counts down the nine days before Christmas. Most Americans have never heard of it, but in Colombia, it's a big deal.

Like all good traditions, especially around the holidays, this tradition is about community and getting together with friends and family. My family immigrated (移民) from Colombia when I was just two months old. Every year, we gather with a group of Colombian friends for as many of the nine nights as we can.

There are three parts to the Novena de Aguinaldos. The first is the reading: each kid takes turns to read a book. Next comes the gozos, which means "The Joys". That's where the music comes in, and everyone gets an instrument, a maraca, a drum, a tin can — whatever you can use to make a sound. And then, the villancicos — Spanish Christmas carols (颂歌) come.

I've lived my whole life in the US. There's not a lot of Colombian culture that we still hang onto. Why do we still carry on with the tradition of celebrating the Novenas, then?

When I asked my parents the other day, the answer was that immigrants didn't belong anywhere — not where you were, nor where you were from. So my parents helped create a space where we did. Even if the Novenas were nothing like what we might have celebrated if we'd stayed in Colombia, the Novenas became the heart of our community.

But our Novenas are starting to feel a little more breakable. It's getting harder and harder for everyone to get together each year. Last year, I was studying abroad in Italy and couldn't make it to any gathering; my brother went off to college and had exams late into December; my sister just moved to a new city, and my parents have taken up jobs in different countries.

"Su Bingtian created a new Asian record. His super performance definitely earned him the title of ‘Su-per'. I had the pleasure of shaking his hand, which was a great inspiration," said Cheng after his competition in China's first Youth Games on Monday.

Four weeks ago, Su delivered a speech, which attracted many young athletes like Cheng Cheung Hung. Cheng not only shook hands with his hero, but also was inspired by Su's speech. "It was truly an enlightening experience for me," recalled Cheng. "Su encouraged us to try and challenge ourselves to break the limit. Combining(结合)talent and hard work together, we can step on the world stage."

Majored in physical therapy(理疗), Cheng has well balanced his school studies and training at university. "The main thing is to do a good job of time management for studying and training," he said. "In the classroom and on the sports field, it's all about learning."

Through studying physical therapy at university, Cheng got a deeper understanding of human body structure and conducted scientific analysis of sprinting. He said he could be aware of the change in his physical state now and immediately correct his training time based on his knowledge and research.

"It would be a great honor to be involved in sports in the future, and to pass on the experience I have learned now to the next generation. I hope to help the development of sports," Cheng said.

In this Second World War story, Peggy and her dog Beau are separated when she is sent to the countryside for safety. Left behind in the city, Beau becomes an unlikely hero, searching the streets and helping families as bombs (炸弹) fall around them. Will he and Peggy ever be reunited?

Finding Bear (By Hannah Gold)

In the continuation of The Last Bear, April is home from her adventure but she can't stop thinking about Bear. When she hears that a polar bear has been shot and injured in Svalbard, she believes it is her friend and she sets out on a journey to the northernmost reaches of the Arctic to find him.

Calling the Whales (By Jasbinder Bilan)

Tulsi and her friend Satchen discover a whale trapped in a fishing net. Aiming to free the creature, they repeatedly dive (潜水) down into the sea. But in the end, they have to accept the failure. Heading home to ask for help, they get caught in a storm and their boat overturns. Just as they think all is lost, help arrives from an unexpected source.

City of Horses (By Frances Moloney)

Thirteen-year-old Misty's life is turned upside down when she has to move far away from her friends. Her new home is on an estate (庄园) where horses run free, and she soon gets to know Dylan, a mysterious local boy who loves horses. When the horses come under threat, Misty must find the courage to help save her new home.