Unit ２０　The world's population

【重点、难点点拨】

　　１．　交际用语

　　（１）　What's the population of China? It's about １．２ billion.

　　（２）　what does "standing room only" mean?

　　２．　词组

　　（１）　the population of China 中国的人口

　　（２）　by that year 到那一年之前

　　（３）　hour after hour 一小时接一小时

　　（４）　the twentieth century ２０世纪

　　（５）　by the end of 在……之未以前

　　（６）　developed countries 发达国家

　　（７）　less developed countries 不发达国家

　　（８）　during the last 在最近的……以来

　　（９）　stand in 插脚

　　３．句型

　　（１）　People have to find food for over ２５００００ mouths more. 人们必须为２５万多口人提供更多粮食。find不解释为找到。

　　例： His father found the money for his education. 他父亲为他的教育提供费用。

　　（２）　But during the last three or four hundred years it has grown very quickly.

　　during the last／in the past＋时间＋完成时态，表示"……时间以来"例：In the past （During the last） ten years, many high buildings have been built in Beijing.

　　（３）　The world population will pass six billion by the end of the twentieth century. 在20世纪结束之前，世界人口将达到６０亿。

　　by ＋表示时间的词，意为"在……之前"，常用于过去完成和将来时态。例： You must be home by six. 你必须６点前回家。

　　【重点、难点例题解析】 

　　１．The population of Australia is smaller than 　　.

　　Ａ．Canada　Ｂ．Canada's populationＣ．that of Canada 　Ｄ．that Canada

　　答案为Ｃ。 这里是人口与人口比，所以用that代替population。

　　２．We didn't know if he 　　.

　　Ａ．will come　Ｂ．comes　Ｃ．would come　Ｄ．had come.

　　答案为Ｃ。 该句宾语从句应用过去将来时。

　　３．One third of the population of china 　　 workers.

　　Ａ．is　Ｂ．are　Ｃ．has　Ｄ．have

　　答案为Ｂ。 此句population指人，相当于people, 动词用are。

　　４．Is there 　　 room for her to stand in?

　　Ａ．a　Ｂ．the　Ｃ．／　Ｄ．an

　　答案为Ｃ。 句中room为"空间、地方"为不可数名词。

【重点、难点练习题】

　　１．They hoped that they 　　 come here the next year.

　　Ａ．had　Ｂ．would　Ｃ．will　Ｄ．were

　　２．Jack has gone away. He'll be back 　　 a week.

　　Ａ．after　Ｂ．for　Ｃ．in　Ｄ．by

　　３．The students had a party 　　 the end of the term.

　　Ａ．at　Ｂ．in　Ｃ．by　Ｄ．to

　　４．The world's population will be much 　　 than 　　.

　　Ａ．more, today's　Ｂ．larger, today's

　　Ｃ．more, today　Ｄ．larger, to day

　　【全方位单元综合练习题】

　　Ⅰ. 语音

　　１．　Ａ． India　Ｂ．billion　Ｃ．satellite　Ｄ．million　

　　２．　Ａ． mouth　Ｂ．hour　Ｃ　mountain　Ｄ．group　

　　３．Ａ． grow　Ｂ．down　Ｃ　town　Ｄ．crowd　

　　４．Ａ． so　Ｂ．forest　Ｃfollowing　Ｄ．population　

　　５．Ａ． population　Ｂ．examination　Ｃ．operation　Ｄ．billion

　　Ⅱ.　拼写不完整单词

　　１．People can't find the food for every m　 　 　 　 　.

　　２．The train will leave in a few mi　 　 　 　s.

　　３．Two of the runners fell at the e 　 　 of the race.

　　４．At first we didn't like each other very much, but in the end we b　　 　 　 　 good friends.

　　５．I wasn't sure wh　 　 　 　 　 he would come.

　　Ⅲ.　词形变化

　　１．At the beginning of the 　　 century, the world's population was about １７００ million.（twenty）

　　２．During the last three years the population of China has grown very 　　（quick）

　　３．Australia has 　　 people than France has.（few）

　　４．Things are getting even 　　 than before.（bad）

　　５．In about ６００ years there will be 　　 room only.（stand）

　　Ⅳ.　单项填空

　　１．　　 is the population of France?

　　Ａ．How many 　Ｂ．How much　　　Ｃ．What　Ｄ．How

　　２．He didn't know whether 　　 back soon.

　　Ａ．will he be 　Ｂ．would he be

　　Ｃ．he will be　Ｄ．he would be

　　３．We're going 　　

　　Ａ．more and more slowly　Ｂ．more and more slow

　　Ｃ．more slowly and slowly　Ｄ．slowly and slowly

　　４．I got to school 　　 than Li Ming.

　　Ａ．ten minute early　Ｂ．ten minutes early

　　Ｃ．ten minute earlier　Ｄ．ten minutes earlier

　　５．You'd better 　　 him for some advice on your study.

　　Ａ．go and to ask　Ｂ．to go and ask

　　Ｃ．go and ask　Ｄ．to go and to ask

　　６．In the past few years we 　　 a lot of trees.

　　Ａ．would plant　Ｂ．have planted

　　Ｃ．planted　Ｄ．were planting

　　７．He took no rest but worked 　　.

　　Ａ．hour and hour　Ｂ．hour by hour

　　Ｃ．hours after hours　Ｄ．hour after hour

　　８．３６５ is 　　.

　　Ａ．three hundred and sixty five

　　Ｂ．three hundreds and sixty five

　　Ｃ．three hundred and sixtyfive

　　Ｄ．three hundreds and sixtyfive

　　９.There will not be 　　 space for anybody else in about ６００ years.

　　Ａ．many　Ｂ．enough　Ｃ．much　Ｄ．more

　　１０.He didn't tell us 　　.

　　Ａ．where would he go　Ｂ．he would go where

　　Ｃ．where he would go　Ｄ．would he go where

　　Ⅴ.　补全对话

　　Ａ．　That's OK.

　　Ｂ．You can take a number ４ bus.

　　ＣOh, there isn't a hospital near here. There is one on the other side of the river.

　　Ｄ．About １０ kilometres away.

　　ＥIt's on the other side of the road. Look! The bus is coming.

　　Ａ．Excuse me. Where's the nearest hospital, please?

　　Ｂ．　１

　　Ａ．How far is it from here?

　　Ｂ．　２

　　Ａ．Oh, dear. I don't think I can walk there.

　　Ｂ．　３

　　Ａ．Where is the bus stop then?

　　Ｂ．　４

　　Ａ．Thanks a lot.

　　Ｂ．　５

　　Ⅵ.　完形填空

　　Peter's father was not an honest （诚实的） man. He not only himself　１ a lie to a judge （法官） in a law case （案件），but he wanted Peter to 　２ so, and that was worse. The facts were Peter and Jim had seen a man 　３ a boy, knock him down and kick （踢） him. The　４ caught the man and brought him before a judge. Peter and Jim had to go, too, to tell what 　５. Before Peter left home, his 　６ said to him, "Be careful, son, you ７ see the kick. Remember, we have to live in this village 　８ that man." But Peter was ９. He told the １０ the truth.

　　１．Ａ．　told　Ｂ．　talked　Ｃ．　spoke　Ｄ．　said　

　　２．Ａ．　doing　Ｂ．　do　Ｃ．　making　Ｄ．　make　

　　３．Ａ．　hitting　Ｂ．　hitted　Ｃ．　to hit　Ｄ．　hit　

　　４．Ａ．　policeman　Ｂ．　father　Ｃ．　boy　Ｄ．　son　

　　５．Ａ．　happened　Ｂ．had happened　Ｃ．was happened　Ｄ．was happening

　　６．Ａ．　friend　Ｂ．　mother　Ｃ．　father　Ｄ．　uncle　

　　７．　Ａ．　weren't　Ｂ．　had　Ｃ．　didn't　Ｄ．　did　

　　８．　Ａ．　with　Ｂ．　about　Ｃ．　on　Ｄ．　of　

　　９．　Ａ．　happy　Ｂ．　honest　Ｃ．　hungry　Ｄ．　brave　

　　１０．　Ａ．　man　Ｂ．　boy　Ｃ．　judge　Ｄ．　father　

　　Ⅶ.　阅读理解

　　There are thousands of different languages in the world. Everyone seems to think that his native language is the most important one, as it is their first language. For many people it is even their only language all their lives. But English is the world's most widely used language.

　　As a native language, English is spoken by nearly three hundred million people in the U.S.A., England, Australia and some other countries.

　　For people in India and many other countries, English is often necessary for business, education, information and other activities （事业）,so English is the second language there. 

　　As a foreign language, no other language is more widely studied or used than English. We use it to listen to radio, to read books or to travel. It is also one of the working language in the United Nations and is more used than the others.

　　１．The native language is a person's 　　 language.

　　Ａ．first　Ｂ．only　Ｃ．one　Ｄ．foreign

　　２．People in 　　 use English as their second language.

　　Ａ．the U.S.　Ｂ．India　Ｃ．China　Ｄ．Australia

　　３．People in China use English as a 　　 language.

　　Ａ．first　Ｂ．second　Ｃ．foreign　Ｄ．native

　　Ⅷ.　根据所给的中文情景和英文提示词语，写成短文

　　一天有两个男孩在踢足球，一个男孩去取滚到马路上的球。后来发生了什么事?

　　１．one day, boy, play, football

　　　　　　　　　　　　　　　　　　　　　　

　　２．go, onto, the road, get, ball

　　　　　　　　　　　　　　　　　　　　　　　　　　

　　３．just then, truck, come, quickly, and, nearly, hit

　　　　　　　　　　　　　　　　　　　　　　　

　　４．driver, get out, shout, angrily, mustn't, on the road, it, dangerous

　　　　　　　　　　　　　　　　　　　　　　　

　　５．boy, get his ball, go home

　　　　　　　　　　　　　　

参考答案