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In order to improve jeans' feel and give jeans blue color, some man-made chemicals (化学品) are added to denim (牛仔布). Every time we wash our jeans, small bits of denim drop. They come out of our washing machine and into the world's rivers, lakes and oceans. Scientists studied the Great Lakes in America and found denim waste in it. The harmful chemicals in denim have spread far and wide. They might be putting some sea animals in danger.

Scientists also washed jeans to see how many bits of denim each pair would drop for each wash. The answer was worrying: About 50,000 bits. Not all of them come into the environment. Wastewater treatment factories can deal with 99% of them. This may sound pretty good. However, the rest of them still have a bad influence on the environment.

Does this mean we shouldn't wear jeans? Probably not. "We need to buy fewer jeans and only wash them when we truly need to do it," says Sam Athey, one of the scientists. "You don't need to wash your jeans too often."

We asked Time For Kids Reporters to review some of the year's best books so far. Here's what they had to say.

The Astronaut's Guide to Leaving the Planet

Have you ever imagined running and jumping in a space station? Astronaut Terry Virts has actually done these things—and more! In The Astronaut's Guide to Leaving the Planet, he paints a lively picture of life in the International Space Station. Young space lovers will enjoy this guide.

Lasagna Means I Love you

In this touching novel by Kate O'Shaughnessy, it has always been Mo and her brave grandma, Nan, against the world. After Nan dies, Mo makes a living by cooking, using family recipes (食谱) she collects from friends. But there is one problem: She doesn't have family recipes of her own. When she tries to find them, she understands what makes a family.

The Moth Keeper

The Moth (飞蛾) Keeper is a picture novel by K. O'Neill. It tells the story of a young girl named Anya. She works as the new moth keeper for her village. Will she be able to deal with the challenges that come her way? Readers who like magical stories with colorful pictures will enjoy this book.

注意：（1）请先补全标题；

（2）短文须全面反映图文信息；

（3）文中不得出现真实的人名、校名等相关信息；

（4）词数 80~100。

I want to invent ________

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Camping is one of the most popular forms of outdoor activities. Now, most people are under too much pressure and like going outdoors to relax. Other activities like hunting and fishing are often connected with camping trips.

It's also a good idea to spend time with your family during a holiday. That will help you leave some of the best memories with your family. Here are some things you have to consider before your camping trip.

The first thing that you need to think about is deciding the camping place. For most people who like camping, the best place to choose is the place that they haven't visited before. Of course, food is another necessary thing to be considered. You'd better carry some convenient food like cakes, nuts (坚果) and boiled eggs. When all the things are done, fun activities should be planned. If your kids are old enough, activities like fishing and horse- riding are good to choose.

As soon as you get to your camping place, there will be a lot you will have to do, such a putting up your tent and laying your table and chairs. Lots of open space is perfect when you want to let your kids ride their bicycles.

These are the ideas about having fun camping. Once you get ready for it, you don't need to worry about anything. Go ahead and be a happy camper.

(1) What is camping?

(2) Why do most people like camping?

(3) Which things should be planned before camping?

(4) What should you do when you reach the camping place?

(5) How can you be a happy camper?

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学好英语可以使这个目标实现。

尽管用英语讲中国故事充满挑战，但是我们应该勇敢面对。

尝试用英语讲中国故事怎么样？

我们为在全世界传播中国文化感到骄傲。

中国拥有5000多年的历史和文化。

Xu Mengtao is a Chinese player in the women's freestyle skiing aerials (空中技巧项目). She won the gold medal (奖牌) at the Beijing 2022 Winter Olympics. The gold is also China's first gold in the event.

As a four-time Olympian, Xu Mengtao was super excited after the victory. "This is the first gold medal won by China in women's aerials, and it's just super cool. I just wanted to perform my best and I did it." she said.

Xu Mengtao has already owned 27 World Cup goals and received the highest score in the world for jumps among women's aerial skiers. But she only managed to bring home a silver medal from the Sochi 2014 Winter Olympics.

Because of the wounds, she finished sixth and ninth in Vancouver 2010 and Pyeongchang 2018, so winning Olympic gold has been a "lifelong wish".

It was the fourth time for Xu to take part in the Winter Olympics. "Although it's been a long journey. I always believe in myself." she said. She has been in good shape for the past years, so she has given her best to prepare for the game. She believed training and keeping in good form brought her the gold medal.

The advantage of hard work may come late, but it will come for sure.