Unit3 单元检测题一、单项填空1. I _ this computer five years ago.A. buyB. boughtC. have boughtD. has bought2. What about the picture over there?It _ nice.A. tastesB. getsC. hearsD. looks3. I think English is becoming more and more important.I _.A. doB. agreeC. amD. think4. I visited many places including the History Museum last Saturday. When I _ at the hotel, it was very late.A. gotB. reachedC. arrivedD. went5. Its too hot. Would you mind _ the door?_, please do it now.A. to open; OKB. opening; Certainly notC. opening; Of courseD. to open; Good idea6. Would you like to go and see a film?Sure, the TV programmes are too _ A. surprisingB. interestingC. excitingD. boring 7. Every morning, Mrs. Smith listens to the latest news _ the radio.A. onB. withC. onD. at8. No one knows how the huge rocks _ and _ without our modern machines eight hundred years ago.A. were cut; movedB. were cut; move C. are cut; movingD. are cut; moved9. _ do you have an English party?Once a month.A. How oldB. How farC. How oftenD. How long10. Try to buy one before all the tickets _.A. will be sold outB. will be soldC. are soldD. are sold out二、完形填空People all over the world eat rice. 11 people in Asia (亚洲), Africa (非洲) and South America 12 it every day of their lives. Some people almost dont eat 13 except rice.Rice is a kind of 14 . There are more than 7, 000 kinds of rice. Most kinds are water plants. Farmers 15 rice in many countries even in the southern part of Russia and in eastern Australia.No one really knows where rice 16 . Someone in China wrote about it almost 5,000 years ago. Some scientists (科学家) think that rice 17 in West Africa first, but 18 think it 19 from India and then was 20 to other parts of the world.11. A. Thousands ofB. Hundreds of C. Millions ofD. A million of12. A. eatB. eatsC. eatenD. is eaten13. A. everythingB. somethingC. anythingD. nothing14. A. grassB. fruitC. flowerD. vegetable15. A. makeB. runC. keepD. grow 16. A. came fromB. came toC. went fromD. went to17. A. grewB. growC. is grownD. was grown18. A. anotherB. otherC. the otherD. others19. A. cameB. comeC. was comeD. was coming 20. A. plantedB. takenC. keptD. grown三、阅读理解AComputers are useful machines. They can help people a lot in their daily life. For example, they can help people to save much time to do much work, and they can help people to work out many problems they cant do easily. Our country asks everyone to learn to use computers except the old people.Today more and more families own computers. Parents buy computers for their children. They hope that computers can help them to improve their studies at school. But many of their children use computers to play games and watch videos. For most students, computers can not help them to study better but make them fall behind. So computers are locked in boxes by parents.In some other countries, even some scientists also hate computers. They say computers let millions of people lose their jobs or bring them a lot of trouble. Will computers really bring trouble to people or can they bring people happiness? It will be decided by people themselves!21. Why do we say the computer is a useful machine? A. Because our country asks us to learn to use it. B. Because it can help us a lot.C. Because we can use it to play games. D. Because it can help us to find jobs.22. What do many parents complain about? A. They complain that their children use computers to play games.B. They complain that computers let them lose their jobs.C. They complain that computers bring them a lot of trouble.D. They complain that computers cant bring them happiness.23. In this passage we know computers _.A. also bring us troubleB. bring us happiness onlyC. are hated by peopleD. are bad for peoples health24. Can computers really help children to study better?A. Yes, they can.B. Its hard to say.C. No, they cant.D. Of course not.25. How do you understand the last sentence of this passage?A. It means computers are used by people.B. It means people can live well without computers.C. It means one must decide how to use computers.D. It means computers are strange machines.B The Internet is becoming important in our life. How much do you know about it? The following questions and their answers will help you to know more about the Internet. What is the Internet? The Internet is a large, world-wide collection (聚集) of computer networks (网络). A network is a small group of computers put together. The Internet is many different kinds of networks from all over the world. These networks are