开放英语4Unit19-Unit23练习题

1、精选优质文档-倾情为你奉上精选优质文档-倾情为你奉上专心-专注-专业专心-专注-专业精选优质文档-倾情为你奉上专心-专注-专业Unit19 Urban and Rural Worlds 城镇与乡村文章学练1Mega-cities In 1950, 1 D. 2 A. 3 C. 4 A. 5 B. 文章学练2A Case Study: Desertification around the Gobi Desert1 D. 2 A. 3 B. 4 A. 5 D. 语法&功能学练.填空补充完成句子。1. There are now 11 cities（which）（house） over 11 mil

2、lion people each.2. The worlds urban population, （which）（is）（increasing）at four times the rate of rural populations, will double in the period 1990 - 2025.3. This growth,（which）（adds）around 60 million people per year to city populations, will be mainly in Southeast Asia and Africa.4. This is change

3、on a scale never before experienced, （which）（brings）with it considerable challenges and opportunities.5. Improved health brings population growth,（which）（causes）people to move out of rural areas.6. Such changes can alter the social structure, （which）（leads）people to move.7. Civil war or regional con

4、flicts also cause disruption, （which）（drives） people out of rural areas.仿照示例，用所给的词语造句。8. one of / dry summers / we / know. 答案：Its one of the driest summers we have ever known.9. cold winter / we / have.答案：Its the coldest winter weve ever had.10. wet day / I / experience.答案：Its the wettest day Ive ev

5、er experienced.11. one of / hot weekends / I / know.答案：Its one of the hottest weekends Ive ever known.12. warm autumn / we / have.答案：Its the warmest autumn weve ever had.13. one of / beautiful summers / we / have.答案：Its one of the most beautiful summers weve ever had.14. windy night / I / experience

6、答案：Its the windiest night Ive ever experienced.15. one of / cool springs / we / know.答案：Its one of the coolest springs weve ever known. 选择最佳答案填空。16.Sixty million people who （D：live） in rural areas are moving to cities every year.17.This growth, （B：which is happening） mainly in Southeast Asia and Afr

7、ica, has dramatic consequences.18.Civil war or regional conflicts also cause disruption, （C：driving） people out of rural areas.19.There are many cities （A：expanding） very fast.20.Such changes can alter the social structure, （D：leading） people to move.21.Its one of the best （A：concerts） I have ever b

8、een to.22.Its the best film Ive （C：ever） seen.23.Its （B：the best） novel Ive ever read.24.Its （D：one of） the driest summers we have ever known.25.Its one of the coolest springs we（C：have ever known）. 选择最佳答案将文章补充完整。The worlds urban population, 1 B. 2 C. 3 A. 4 C. 5 B. 6 D. 7 B. 8 C. 9 A. 10 D. Unit20

9、The Consumer Society or the Wasteful Society 消费还是浪费文章学练 1Global Food1 C. 2 A . 3 D. 4 D. 5 B.文章学练 2What a Waste!1 D. 2 B. 3 C. 4 B. 5 A.语法&功能学练、填空补充完成第二个句子，使其与第一个句子意思一致。1. A lot of food （bought）nowadays is convenience food.2. The enormous amount of waste（produced） by fast-food chains is a big proble

10、m.3. People （employed） by fast-food chains are often paid a low salary.4. Many of us regularly eat food （cooked） in a microwave oven.5. It is becoming less common for people to eat fresh food （prepared） at home.6. Some meals （offered） by McDonalds are local variations.7.Meals （sold） (to sell) by sup

11、ermarkets are often quite cheap.8. Meals （cooked） (to cook) in microwave ovens are quick and convenient.9. Convenience meals （eaten） (to eat) very frequently would make you fat.10. The meals （produced） (to produce) by fast food chains are not very good for you.11. People （employed） (to employ) by fa

12、st-food chains are often young.12. Food（bought） (to buy) from supermarkets is usually ready-made.、填空补充完成第二个句子，使其与第一个句子意思一致。13. Fast-food restaurants （cant usually be found） in small villages.14. A lot of time （can be saved） with convenience food.15. A franchise （can be bought） from a fast-food chain

13、.16. Childrens birthday parties （can be held）in McDonalds.17. Beer （cant be bought） in a fast-food chain.18. Local food （can be adapted） to make it global.19. Waste electrical goods （must be disposed） of safely.20. Fridges （must not be dumped） in the street.21. The export of waste electrical goods t

14、o other countries （must be banned）.22. The problem （must be solved）.get look goes buys cooks have take make want be orders eat23. When parents（take） their children out to eat, the children usually（want） to eat fast food.24. I never cook ready-made meals if I （have） time to cook.25. When she （goes） s

15、hopping for clothes, she rarely （buys） designer clothes.26. If you （eat） too much junk food, your skin does not（look） very good.27. If I （am） in a hurry, I sometimes （make） a sandwich for lunch.28. When my mums not too busy, she （cooks） my favourite food.29. If hes too tired to cook, he sometimes （o

16、rders） a pizza.30. When we go to the street market, we always （get） organic vegetables.、选择最佳答案将文章补充完整。Dealing with waste is a huge global problem. .1 B. 2 A. 3 D. 4 C. 5 D. 6 D. 7 A. 8 C. 9 B. 10 B.Unit21 Looking After the World 关爱地球文章学练 1Greenpeace Launches Renewable Energy Global Tour1 B. 2 D. 3 A

17、. 4 C. 5 D.文章学练 2CETACEANS: FACT FILE1 B. 2 D. 3 A. 4 D. 5 B. 语法&功能学练、判断下列句子表示建议还是指令，并选择最佳答案。1. You know, you must do something about your car today. Its dangerous. B . instructions 2. You must try that garage. Theyre very good. A . recommendations 3. Well, you must come round tomorrow to talk about

18、 the supplier. B . instructions 4. Well, if youve got a problem, you must go round to that supplier. They will sort it out. A . recommendations 、填空补充完成第二个句子，使其与第一个句子意思一致。5. Unless（the government bans traffic in the centre of the city）, congestion will get worse.6. Unless （we promote renewable energy

19、）, the Earths natural resources will be used up soon. 7. Unless （the dumping of waste electrical goods is stopped）, peoples health will suffer.8. Unless （more green cars are produced）, air pollution will increase.9. Rivers will be less safe unless （factories are banned from polluting them）.、仿照示例，填空补

20、充完成第二个句子。10.（People say that） dolphins are very intelligent.11.（Scientists report that） dolphins communicate with each other by little noises.12.（People know that） dolphins can help drowning fishermen.13.（Fishermen understand that） dolphins are their friends.14.（Many consider that） we should protect

21、 dolphins.15.（People think that） sperm whales can dive very deep indeed.、选择最佳答案将文章补充完整。CETACEANS: FACT FILE There are over 80 species of whales, 1 D. 2 B. 3 B. 4 A. 5 C. 6 B. 7 A. 8 C. 9 C. 10 D.Unit22 Changing Patterns: Globalisation and Languages 语言与全球化文章学练1InterviewerWhy is English so important?

22、David1 B. 2 C. 3 D. 4 A. 5 B. 文章学练2Will English Always Be the Main Internet Language?1 B. 2 C. 3 B. 4 D. 5 C.语法&功能学练、仿照示例，填空补充完成句子。1.Millions of people are said （to be learning） (learn) English from pop music now.2.Over one billion people throughout the world are said （to speak） (speak) English.3.Ap

23、proximately two billion people are said （to speak） (speak) English as a foreign language.4.Two-thirds of scientists are said （to read） (read) scientific texts in English.5.About 50 countries are said（to use） (use) English as their official language.6.The number of English learners is said（to be incr

24、easing） (increase) throughout the world every day.、填空补充完成第二个句子，使其与第一个句子意思一致。7. English is very important. Therefore, I have to learn it. ( sothat) English is (so important that I have to learn it)8. There are a lot of scientific publications in English. People have to learn English to read them. ( s

25、o manythat) There are (so many scientific publications in English that people have to learn English to read them.)9. He is learning English because he wants to use the Internet. ( so that) He is learning English (so that he can use the Internet.)10. Employers think its very important to speak Englis

26、h. As a result, some pay for their staff to learn it. (sothat) Employers think its (so important to speak English that some pay for their staff to learn it.) 11. Im learning Spanish in order to be able to live and work in Spain. ( so that) Im learning Spanish (so that I will be able to live and work

27、 in Spain.)12. English is spoken by many people round the world. You need it to travel anywhere. ( sothat) English is spoken (by so many people round the world that you need it to travel anywhere.）13. Many scientists have to learn English in order to read scientific texts. ( so that) Many scientists

28、 have to learn English (so that they can/will be able to read scientific texts)14. Chinese is widely spoken. It may become the dominant language of the Internet one day. ( sothat) Chinese is (so widely spoken that it may become the dominant language of the Internet one day.)、仿照示例，用括号内动词的将来完成时形式填空。15

29、.Doctors （will have discovered） new ways to cure diseases. ( discover )16.We （will have built） cities on other planets. (build)17.Scientists （will have found）new ways to travel. (find)18.Astronauts （will have discovered） life on other planets. (discover)19.Pills （wont have replaced） food. (not / rep

30、lace)20.The problem of pollution （wont have disappeared） (not / disappear).21.Everybody （will have visited） the Moon. (visit)22.People （wont have learnt） how to fly like birds. (not / learn)、用括号内所给词语的正确形式完成下列句子。23.Several languages （are likely to） die out. (likely)24.English （will probably） remain v

31、ery important. (probably).25.Spanish （will probably not） become more important than English. (probably not)26.Chinese （is likely to） continue to expand on the Internet. (likely)27.Portuguese （is unlikely to） take the place of Spanish. (unlikely)28.Arabic （will possibly） become a connecting language.

32、 (possibly)、用括号里的词语改写第二个句子，使其与第一句意思相同。29. French wont dominate the Internet. (unlikely) French（is unlikely to dominate the Internet）.30. English is likely to remain the language of technology. (probably) English（will probably remain the language of technology）. 31. Chinese may become a world Interne

33、t language. (possibly) Chinese （will possibly become a world Internet language）. 32. Several languages are unlikely to survive. (probably) Several languages （probably wont survive）.33. Interviewer Why is English so important?1 B. 2 C. 3 C. 4 A. 5 D. 6 C. 7 A. 8 B. 9 C. 10 A. Unit23 The World of Comm

34、unication 传媒世界文章学练1Two hundred years ago, 1 C. 2 C. 3 D. 4 A. 5 B.文章学练2Poll Reveals TV News Too Negative1 A. 2 B. 3 B. 4 C. 5. D. 语法&功能学练、仿照示例，用not onlybut also连接下列句子。 1. State TV faces competition from satellite TV. State TV faces competition from the Internet. State TV （not only faces competition

35、from satellite TV but also from the Internet.）.2. It is possible to start up your own newspaper. It is possible to start up your own website. It is （not only possible to start up your own newspaper but also your own website.）.3. Local companies are able to produce radio and TV programmes. Local comp

36、anies are able to broadcast them. Local companies are（not only able to produce radio and TV programmes but also to broadcast them.）.4 .You can watch a terrorist attack. You can see it as it happens. You can （not only watch a terrorist attack, but also see it as it happens.）.、仿照示例，将下列句子改写为非正式的口语形式。5.

37、 By whom was the book written?（） 答案：Who was the book written by?6. To whom did you speak when you phoned? 答案：Who did you speak to when you phoned?7. The company from whom I received the letter will contact us again. 答案：he company who / which / that I received the letter from will contact us again.8.

38、 With whom did you go to the meeting? 答案：Who did you go to the meeting with?9. By whom was the letter sent? 答案：Who was the letter sent by?10. The woman with whom he fell in love left him after a month. 答案：The woman who / that he fell in love with left him after a month.11. The garage owner from whom I bought the car said he would repair it. 答案：The garage owner who / that I bought the car from said he would repair it.12. Bob Smith: “Murder is one of the least frequently committed crimes.”