Sam  that his father was waiting for him at the school gate.

假如你是李华，是一名初三学生，今年被评为"校园运动之星"。你的笔友Jim想请你介绍一下在初中三年里，运动在身体、心理、学习等方面给你带来的一些益处和你未来的运动计划。请你根据以下提示给Jim写一封80词左右的电子邮件。

提示：1）运动的益处(至少2点);

2）未来的运动计划(至少2点)。

Recently, a foreign student in China gave a very touching answer to the question: What should China be proud of? It was  (wide) spread online.

Emma is from Canada. She came to China four years ago. Now she is university student in Ningbo. The following is China in her eyes.

" (find) a job in China can be really simple. There are more job (chance) here than in any other country in the world."

"Its public security(安全) is great. I (travel) to many countries so far, and I think China is really safe.

"About 400 million Chinese are studying English. China will become the country has the greatest number of English speakers in non- English speaking countries.

"The speed of Chinese trains is high. On my (three) visit to my friend in Beijing, I took a train there. From Ningbo Beijing, the train runs 1,365 kilometres for only seven hours.

"There (be) many more things China should be proud of. I believe China must be much (good) than other countries."

As an interesting sport, football is quite popular among both adults and children. You may have played it in the playground, stadium and park. But have you ever heard about playing football in the river? It sounds unbelievable, but it actually happened.

Recently, Yan Kanxiang, a 19-year-old high school student from' Yunnan Province, has become famous after several videos of his creative way of practising football in a river appeared on the Internet.

Yan was born in a mountainous village in Menghai county of Xishuangbanna. His first kick of a football was in junior high school. "I only came across football in textbooks in my childhood. But I fell in love with it when I made my first try in Seplember, 2015,"Yan says." And playing football helps me forget all my troubles.'

However, in the mountainous area of his home town, finding a flat (平坦的)place to play football is a great challenge. So Yan and his friends created small training ground with tree branches and stones(树枝和石头). Sometimes, they even played football in the river.

In the beginning, Yan chose to play in the water mostly for staying cool. "The weather in my home town is too hot in summer and I can play for longer in the river," he says. Later, he discovered that playing in the water is not only fun, but also has certain advantages. Apart from protecting him from getting hurt easily, the water also plays an important role in increasing the power in his legs. After two years of practising in the water，Yan was faster and stronger.

He even got nine points in a game. Yan wants to be a football player like. His favourite Chinese football star Wu Lei. Although he is only 1.68 metres tall now，Yan believes that it won't stop him from becoming an excellent player. "Short players are always more flexible (灵活的) and better at breaking through the defense (防守). I think I can do it too," he says. "I will keep practising hard. And my final goal is to play for the Chinese men's national football team!"

Many bees  in that tree just now.

Tony's class will be on a visit to the museum next week. He'd like to take some photos and put them upon the school (网站), so he wants to borrow the (照相机) from his father. His father says that they waited for weeks to hear from their pen friends (在国外) when he was at school. But Tony can send and receive photos and (邮件) on the Internet nowadays. Tony thinks the Internet and computer have changed their lives. They even use online (教科书) in their classes. His father says in the past, they (主要地) got information from paper books. Some books were huge ones with thousands of (页). But with the invention of the computer and (电子的) technology, it's easy to get information on the Internet. So they think the Internet is more (有影响力的) than books.

His father (借给)him the camera. Because it is a gift from his mother, his father asks him to promise that he will look after it.

When you think of robots, you might think of something to perform boring tasks, 1engineers today are making robots that can do much more interesting jobs.

Homie Choset at Carnegie Mellon University in Pittsburgh is a roboticist, a person 2 designs, builds or programmes robots. When Choset was a kid, he was interested in anything that 3—cars, trains, animals. Later, in high school, he built mobile robots similar4small cars. Hoping to continue working 5robots, he studied computer science in college. Some robots can move only forward, backward, left and right,  but snakes can wist (绕，卷)in many 6"Snakes are far more interesting than the cars, "Choset said.

After he started working at Carnegie Mellon, Choset and his colleagues there began developing7own snake robots. A typical snake robot is made up of a lot of metal containers linked together, each with a motor and electronic parts 8Choset's team programmed robots to perform the same movements as real snakes. The robots also move in ways that snakes9don't, such as rolling. Choset's snake robots could crawl (爬) 10 the grass, swim in a pond and even climb a flagpole.

"Snake robots go11 we can't, "says Choset. Snake robots could one day search for victims after an earthquake. And Choset's snake robots might be12 for heart surgeries(外科手术)as well. Choset is thinking of sending robots into Egyptian archaeological (考古学的)sites that are too small or13for people to enter. A robot 14a camera could show scientists what is inside.

Even after 15 years of working with his team, ""I still don't get 15 with watching the motion of my robots, "Choset says.

We're now used to wearing masks in public. It's reported that about 300 million masks are used and then thrown away every day in China. Where do these used masks go? You might think that they just go in a dustbin (垃圾箱). But that's just the first stop on them asks' journey.

After the masks are thrown into bins, dust carts empty the bins and take the rubbish to landfills(垃圾场). There the masks will be burned. Burning masks might not seem to be very good for the environment. Won't it cause pollution?

The answer is "no", according to People's Daily. That's because most masks are made of non-woven fabrics , whose main material (材料) is polypropylene, an environmentally-friendly material. It's non-toxic (无毒的)and can break down easily. After burning, it turns into water and carbon dioxide. As long as landfills deal with these emissions (排放物)correctly, burning the masks won't cause pollution.

In fact, burning the masks has some advantages. The process of burning rubbish can create electricity. Burning one ton of rubbish means more than 400kilowatt hours of electricity. It's said that there will be 162, 000 tons of used masks in total in China this year. Burning all of them can create 64 million kilowatt hours of electricity. That is enough to allow an electric car to drive 370 million km.

What's more, the waste from burning masks can be recycled to make bricks or fill roadbeds.