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Everybody wants to be healthy. You know food is very important. There are many healthy food. You can have more bananas, apples, oranges, tomatoes and lettuce because fruit and vegetables are good for you. But don't eat too much chocolate. It's not healthy food. Healthy food can make you grow and make you strong and happy. Remember there is a saying—“An apple a day keeps the doctor away”. Sports can also keep you healthy. Get up early and do some sports every day. Don't be lazy. You will be healthy and happy.?
1.Which is TRUE(正确)？?
A. Everybody is healthy.
B. We want to be healthy.
C. We are important.
2. What are healthy food??
A. Fruit and vegetables.?
B. Bananas, apples and chocolate.?
C. Fruit and chocolate.?
3. Why are healthy food good for you??
A. They make you happy.?
B. They make you grow strong.?
C. They make you grow and make you strong and happy.?
4. “An apple a day keeps the doctor away” means_______.?
A. The doctor goes away when he sees an apple?
B. The doctor runs away when you give him an apple?
C. You eat an apple every day and you can be healthy?
5. What keep you healthy??
A. Fruit and vegetables.
B. Healthy food.
C. Healthy food and sports.
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On June 26, 2000, two scientists, called Francis Collins and Craig Venter, told the world that they could now read the whole “map” of the human body: DNA. DNA is something that everybody has, and it tells the body what to do. DNA is the reason that we look like our mother and father, because we get some of their DNA to make our own.
People have been trying to understand the human body for a long time. In 1860, Gregor Mendel discovered a special reason why we look the same as other people in our family. It is because of small things named “genes” in our body. In 1953, James Watson and Francis Crick made another discovery and found out that those small parts are real messages written in the DNA with a special language.
In 1961, Marshall Nirenberg and Johann Matthaei found a message in DNA showing how DNA tells the cell (细胞) to build its parts. Scientists have now found all the words in the DNA map, but we still do not understand what they all do. By understanding what just one “word” means, we can help save more people from several illnesses.
Most people hope that this will help make better medicine and help sick people. Other people worry that when people begin to know more words and find out lots of other information, we might use it in a wrong way, just to make people more attractive, or stop sick people from getting jobs. Man would have to meet a lot of trouble if DNA technology (技术) wasn’t limited (限制) in use.
1.When did we first know why we look like other people in our family?
A. In 1860. B. In 1953. C. In 1961. D. In 2000.
2.What did the two scientists first discover in 1961?
A. The “map” of DNA. B. A new illness.
C. The language of DNA. D. A message of DNA.
3.What can we do if we understand some “words” of the language inside the body?
A. Make people get new jobs.
B. Make medicine for illnesses.
C. Make maps of human.
D. Make people less attractive.
4.What do people think about this work?
A. It can cause good or bad results.
B. It can cause only good results.
C. It can cause good results but won’t work.
D. It can cause only bad results.
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Many bloggers are teenagers who log (进入) onto websites to discuss anything in their lives. Many of today’s teenagers are not afraid to openly discuss everything in their lives. Teenagers complain about their parents and homework. They share diaries, post(发布) songs from the latest bands and show pictures of theirs. They write their own poems, say something about their girlfriends or boyfriends and complain to each other or offer support. But mostly they just write down what they do every day.
However, many parents are worried about these young bloggers. Parents see the kids talking about how they got drunk last weekend and how they don’t like studying. They are using the language that is surprising to their parents. Besides hearing from their friends, teen bloggers also get messages from strangers. Most of the time, it’s older men asking to meet teenage girls. “These strange men are dangerous for my kids. They sometimes teach my kids bad words.” said Cara Cabral, a mother of two children.
Many teenagers and young adults know it’s not safe to use blogs on the Internet. They know they are putting information about themselves in a place where it can be seen by anyone. But teenagers are unwilling to give up these new communication tools that have become a way of life for many of them.
【小题1】 The underlined word “it” in the first paragraph means ________.
A. the fashion B. the Internet C. the blog
【小题2】 Which of the following is NOT TRUE？
A. Teenagers don’t tell about their personal life in their blogs.
B. Teenagers mostly write down what they do every day in their blogs.
C. Teenagers complain about their parents and homework in their blogs.
【小题3】 What’s the main idea of the third paragraph?
A. Many parents don’t understand kids’ language in their blogs.
B. Many parents are worried about these young bloggers.
C. Many parents can understand why their kids don’t like studying.
【小题4】 Many parents think it’s for their children to get messages from strangers.
A. dangerous B. interesting C. surprising
【小题5】 We can learn from the last paragraph that .
A. It’s easy for many teenagers to give up blogging on the Internet
B. It’s safe for many teenagers to put their personal information on the Internet
C. It’s popular for many teenagers to use blogs on the Internet 查看习题详情和答案>>
完形填空
There is a big zoo in our city. There are lots of 1 in it. The elephant is very big. We all like to see it, 2 it is very cute. The tiger comes from the Changbai Mountain of 3 .It walks about in the cage(笼子).The lion’s room is 4 the tiger’s room. The panda in the zoo is a little shy. It is very interesting. It eats 5 .The giraffe is very 6 .It is very funny. It comes from Africa. We all 7 animals because they are 8 friends. Some boys and girls, men and women often come to the zoo and see 9 on 10 .
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根据短文内容及首字母提示，填写所缺单词，使短文意思完整，每空限填一词。
The worst traveler in the world was Paul of San Francisco. Once he f 1. from the U.S. to his hometown in Italy to see someone at home. The plane made a one-hour stop to get oil at an airport in New York. Paul thought he was in Rome, s 2. he got off the plane.
When nobody was there to meet him, Paul thought maybe the heavy t 3. made his friends late. While looking for their address, Paul found that the old “Rome” had changed a lot. He found many high m 4. buildings instead of old ones. He also found that many people spoke English but not Italian and that main street signs were w 5. in English.
Paul knew very l 6. English. So he asked a policeman in Italian the way to the bus station. He happened to meet a policeman who was also born in Italy and answered in the same l 7. .
After twelve hours’ traveling round on a bus, the driver handed him over to a 8. policeman But this time, this policeman could only speak English. So Paul asked the policeman why the Rome police employed(雇佣)so many people who spoke English as policemen.
Paul didn’t b 9. he was in New York when he was told so. To get him on a plane to Italy, he was s 10. to the airport in a police car.
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