Endangered Wild Animals in China

Word Box: endangered 濒危 survivors 幸存者 giant 巨大的 mammal 哺乳动物 alligator 扬子  鳄 mussel 河蚌  reptile 爬行动物 

根据表格所提供的信息选择最佳答案。

    The world got a glimpse(一瞥) of one of the greatest mysteries of our universe(宇宙) on April 10.

    That′s when the first image of a black hole was shown to the public. The picture was created by a network of eight radio telescopes(射电望远镜).

    "We have seen what we thought was unseeable, "says Shep Doeleman. He led the effort to create the image.

    The black hole is at the center of galaxy (星系)named Messier 87, some 55 million light﹣years from the earth, and is 6.5 billion times the mass of the sun.

    The image shows the gas, dust, and stars that move around the black hole before disappearing into it. It does not truly show the black hole, because not even light can escape its gravity. Black holes, like vacuums, suck(吸)in everything that gets too close.

    Is it good to be in a middle school? Most American children think so. In America, middle schools often have sixth, seventh, and eighth grades. It is different in different places.

    For children, going to a middle school is a big change. Most middle schools in America have a special day for new middle school students. On that day, they are showed around the school by their new teachers. And they could know a lot about the history of the school. They also would make friends with the old schoolmates (校友).

    They will grow up and learn some different and difficult things in a middle school. A new middle school student will learn foreign languages, computer, music and art, health, and other skills, such as cooking.

    A middle school will have sports teams, clubs and have activities for children. They can choose what they like and join them. If they are good at singing, playing basketball or something else, or if they want to learn, they can join them. Most American children think it's good to be in a middle school.

People think children should play sports. Sports are fun, and children stay healthy while playing with others. However, playing sports can have negative influence on children. It may produce feelings of poor self-pride or aggressive (攻击性的) behavior in some children. According to research on kids and sports, 40 million kids play sports in the US. Of these, 18 million say they have been shouted at or called names while playing sports. This leaves many children with a bad impression of sports.

Many researchers believe adults, especially parents and coaches, are the main cause of too much aggression in children's sports. They believe children copy aggressive adult behavior. Parents and coaches are powerful teachers because children usually look up to them. Often these adults behave aggressively themselves, sending children the message that winning is everything. At children's sporting events, parents may shout at other players or cheer when their child behaves aggressively. As well, children may be taught that hurting other players is acceptable, or they may be pushed to continue playing even when they are injured. Children watch adult sports games and see violent behavior replayed over and over on television.

As a society, we really need to face up to this problem and find out the causes behind them. Parents and coaches should act as better examples for children. They also need to teach children better values. They should teach children to enjoy themselves whether they win or not. Winning is not everything. In addition, children should not be allowed to continue to play when they are injured. Sending a child with an injury into a game gives the child the message that health is not as important as winning. If we make some basic changes, children might learn to enjoy sports again.

A beach trip can be fun and relaxing. To have an enjoyable beach trip, you need to make plans for it. Here is some useful information(信息).

Decide which beach to visit. Have a discussion(讨论) with your family. Before you look for information online, sit down and talk with your family to learn about their ideas. Write down their ideas so that you won't forget them. For example, maybe your daughter wants to look for sea shells and your son wants to try some water sports.

____One of the most important things to bring on a family beach trip is a cooler (冰桶) full of ice and things to eat and drink! Because you will spend a few hours on the beach, your family will need some food and drinks. It's better to bring lunch for everyone. Some good beach food and drinks are fresh fruit, sandwiches, juice and so on.

Plan activities for your trip. The best part of a beach trip is that your family can play together! Make sure that you bring things that your family want to use when they are on the beach, such as sand toys, frisbee (飞盘) and cards. If you want to stay by yourself, you can also bring some books to enjoy yourself.

With good preparations, you are sure to have a good time on the beach!

Malaria(疟疾) has been a deadly problem for humans since ancient times. Countless people have died from the illness. Thankfully, Chinese scientist Tu Youyou found a useful medicine called qinghaosu.

In 1969, Tu became the director of a national project to develop a medicine against malaria. Her team took a special way.▲After reading more than 2,000 old treatments, Tu and her team collected over 600 plants and listed almost 380 possible treatments for malaria. One treatment, which is 1,600 years old, uses sweet wormwood. Tu found it useful and tried to extract(提取) the qinghaosu from it in order to makea medicine. The extraction failed at first, so Tu returned to the classical books again and finally found a way. She used a low- temperature way to extract the qinghaosu and finally succeeded in 1972.

Next, Tu and her team did lots of tests with qinghaosu in fighting against malaria. After her team showed that qinghaosu could treat malaria in mice and monkeys, Tu and two of her team members offered to test the medicine on themselves before testing on human patients. It turned out that qinghaosu was safe and all patients in the test became well. Gradually, the World Health Organization (WHO) advised people to use qinghaosu as the first- line treatment for malaria. It saved millions of lives around the world.

In 2015, when Tu won the Nobel Prize in Physiology or Medicine, she didn't accept all of the honor. Instead, she praised her team members and Chinese traditional medicine. She once said," Every scientist dreams of doing something that can help the world."