仁爱英语八年级Unit1 Topic 2重点知识点讲解例题讲解课后练习.docx

1、仁爱英语八年级Unit1 Topic 2重点知识点讲解例题讲解课后练习Topic 2 What has happened to the population?1. - I really hate to go such a place . 我真讨厌去那样的地方。 - So do I . 我也是。 So do I .为倒装句，表示前面提到的肯定情况也同样适合另外一个主体，表“某某也一样”，结构为“so + be /情态动词/ 助动词 + 主语”。 eg: Jim is a student, so is Tom. 吉姆是一名学生，汤姆也是。 Jim can swim, so can Tom. 吉姆会

2、游泳，汤姆也会。 Jim likes sports, so does Tom. 吉姆喜欢运动，汤姆也喜欢。 如表前面不怎样，后面“也不”怎样时，其结构为“ neither/ nor + be /情态动词/ 助动词 + 主语”。eg: Jim wasnt Chinese, neither/ nor were they.吉姆不中国人，他们也不是。 Jim cant speak Japanese, neither can I .吉姆不会说日语，我也不会。 Jim didnt go there, neither did I .吉姆没去那儿，我也没去。 如前后两句表达的是同一个主体，则不能倒装，表“的确

3、如此”。如： eg: Jim is a good student. So he is. 吉姆是一名好学生，的确如此。 Jim swims well. So he does. 吉姆游泳很好，的确如此。 2At that time, China was the country with the largest population in the world. 那时，中国是世界上人口最多的国家。 population为不可数名词，表示人口的多少只能用 “large”或 “small”修饰，提问人口用“what”, 如： eg: The population of Shanghai is larger

4、 than that of Beijing. Whats the population of China? = How many people are there in China? 3. Great changes have taken place in China. 中国发生了巨大变化。 take place 指必然性的“发生”或有计划、安排之内的“举行”。如： eg: The meeting will take place next Friday. happen 指偶然的、没有预料的“发生”，其结果往往给人带来不幸或麻烦。如： eg: The accident happened yest

5、erday. 两者都不用于被动语态。 4. The population has increased a lot. 人口增长发很多。 increase 可作及物动词也可作不及物动词。其含义是“增长，增加，加强”等。 increase by 指“增加了”; eg:The average salary does indeed increase by 10%. 平均工资实际上增加了 10%。increase to指 “增加到”Dollar spending on Medicare patients would increase to over a trillion dollars by 2020.到

6、2020年，为享受医保的病人所投入的金额将增长到一万亿美元。The fourth week, stay at 4 times, but increase to 35-40 minutes.第四周走四次，但是增加到35-40分钟。5. and about one fifth of the people in the world live in China. 而且世界上大约五分之一的人口生活在中国。 one fifth 是分数表达法。英文分数表达法：分子为基数词，分母为序数词，先读分子后读分母。当分子大于1时，分母的序数词则变为复数，直接在词尾加“s”。eg: one fourth 四分之一； t

7、hree fourths 四分之三； one second 二分之一； two thirds 三分之二 注：分数修饰名词作主语，谓语动词要和所修饰的名词保持一致。6It has worked well in controlling Chinas population. 它在控制人口数量方面取得了显著的功效。 work well in doing sth. 表“在方面很有功效”, eg: Doing eye exercises works well in protecting our eyesight. 做眼保健操在保护视力方面很有功效。 7. Because of our large popu

8、lation, we are short of energy and water. be short of 表 “缺乏” eg: She is always short of money at the end of every month. 每个月底她总是缺钱。 be short for 表“是的缩写”, eg: TV is short for television. TV是television的缩写形式. 8. Can all Chinese families offer their children a good education? 所有的中国家庭都能给他们的的孩子提供良好的教育吗？ o

9、ffer 表“（主动）给予，提供” offer sb. sth. “提供某人某物”如：I offered him a glass of wine. 我敬了他一杯酒。offer to do sth. “（主动）提出做某事”如：She offered to cook for her mother. 她提出帮她妈妈煮饭。8.be strict with 对要求严格eg：Our teachers are strict with us.9.I cant go shopping in big stores unless I travel for a couple of hours.我得花几个小时，才能到大

10、的商场购物。a) unless = if not 表“除非; 如果不”，引导条件状语从句。 eg: I wont go unless I hear from you. = I wont go if I dont hear from you. 如果你不通知我，我就不去。 Unless Bill studies hard, hell fail in the exam. 如果比尔不努力, 他不会通过考试的.b) a couple of 表 “几个人或几件事”, eg: a couple of years ago 几年前; a couple of students 几个学生 couple 指任何两件同

11、类的东西;如: a couple of watches 两只手表； five couples of cats 五对猫 pair 指两件不可分开使用的东西,它们可指两件互不相连的东西(鞋子、袜子等)，也可指两部分构成的一件东西（裤子、剪刀等）。如： a pair of shoes 一双鞋子 a pair of pants 一条裤子10.on / about 关于on：关于（学术性较强）eg：He is writing a book on medicine.about：He is telling us a story about heroes.11.take measures 采取措施 eg: C

12、hina has take measures to reduce the pollution.重点语法现在完成时常与下列表不明确的状语连用：1already 和 yetalready “已经”（多用于肯定陈述句）， 如： He has already gone home. 他已经回家了。yet “已经; 还”（用于否定句或疑问句）， 如：Have you found him yet? 你已经找到他了吗？ I havent finished my homework yet. 我还没完成作业。 already 也可用于疑问句，表“出乎意料或惊奇” Have you finished your ho

13、mework already? 难道你已经完成作业了？2ever 和 neverever “曾经”（多用于疑问句，问初次经历）， 如：I have ever been abroad. 我曾出过国。never“从未；从来不”（多用于否定陈述句），常回答ever的句型。如：I have never seen him before.-Has he ever been abroad? 他曾出过国吗？-No, never. 不，从来不。3just just “刚刚”（多用于肯定句，位于谓语动词之前）， 如：I have just tried to call you. 我刚刚打电话给你。4beforebe

14、fore “之前”（一般位于句末；常与never呼应）， 如：He says he has never seen such beautiful scenery before. 他说他以前从来没看过这么美的风景。三、例题讲解根据句子意思及首字母提示补全单词1. -No one likes “Little Emperors.” -N_ do my parents.2. The cars in the cities are i_ rapidly these days, so traffic jam comes into being.3. People couldnt live long becaus

15、e of poor medical t_.4. In China, some people in less developed areas p_ boys to girls.5. His mother told him that the sun r_ in the east and sets in the west.翻译词组，补全句子1.We must _ _ (采取措施) to control the population.2. Doing eye exercises _ _ (起明显作用) in protecting our eyesight.3. In 1960s, we were _

16、_ (缺乏) food and money .4. He wouldnt leave the TV set, _ _ (既使) he was going to have an important exam the next day.5.Her daughter _ _ (迷路) in the shopping center yesterday. 4、当堂练习单项选择。( )1.They have been to Australia.So _ I.A.do B.have been C.did D.have( )2.The population of Shanghai is larger than

17、 _ of Shenyang.A.that B.it C.one D.this( )3._ the population of the U.S.A. in 2005?It _ about 296 million.A.What is; is B.What was; wasC.How many is; was D.How many was; is( )4._ of the teachers are women in our school.A.Two third B.Two threes C.Two thirds D.Second three( )5.Hes read this book befor

18、e, _?A.hasnt he B.doesnt he C.isnt he D.wasnt he( )6.The _ population may be the greatest challenge of the world today.A.increase B.increased C.increasing D.increases( )7.The little girl has _ finished reading the book you lent her.A.already B.yet C.still D.once( )8.What has happened in your hometow

19、n?Great changes _ in my hometown recently.A.have been taken place B.have taken placeC.have been happened D.was happened( )9.Students today have a lot of pressure(压力) _ they have to learn too much knowledge at school.A.in order to B.unless C. because D.because of( )10.I have never visited a paper fac

20、tory._A.So have I. B.So I have. C.Neither have I. D.I havent now.情景交际。A: Hi, Mike! Youre reading the novel again.B: Yes, John. Ive never been tired of it.A: 11 B: Three times. Every time I read it, I can learn something new.A: Really? 12 B: Charles Dickens. I think he is a great English writer.A: 13

21、 He is also my favorite foreign writer. Please let me have a look at it.B: OK, here you are! . What do you think of this novel?A: 14 I havent seen such a novel for long. Where did you buy it?B: In the Xinhua Bookshop.A: I dont know where it is. 15 B: No, only 10 minutes walk from here, next to the P

22、eoples Cinema.A: Oh, I see. Im going there to get one, too. Thank you!B: Youre welcome!A.I have already finished reading it.B.Who wrote it?C.How many times have you read it?D.So do I.E.Have you finished it yet?F. Is it far from here?G.Its exciting.完形填空What is the population of China? There are more

23、than a billion and three hundred million people in China. It is almost one fifth of the worlds population. How to control the population growth is a big problem. Some people think 16 control the population growth. But I dont agree 17 them, because where theres a will, there is a way.The question is

24、that we should make it 18 how serious the population problem is. Our farmland is becoming less and less to everyone. We have already got too many mouths to feed. 19 we control the population growth, many people will die 20 hunger. Too fast population growth has been and will be bad for our nation. T

25、hough laws(法律) have been 21 to control the population growth, in some places 22 is done to carry out the law. We should make people 23 that it is foolish to bring too many children into the world. They should 24 do what they have been doing for many years.We are fighting against the rapid population

26、 growth. Yes, the fighting wont end 25 everyone knows its importance and does something for it. Lets go on working hard on it together.( )16.A.that is impossible for B.impossible of C.that is impossible of D.it impossible to( )17.A.to B.for C.with D.on( )18.A.known to everybody B.known by everybody

27、C.know to everybody D.know by everybody( )19.A.If not B.Unless C.Until D.If( )20.A.of B.about C.from D.out of( )21.A.pass B.passed C.broken D.past( )22.A.many B.little C.a lot D.much( )23.A.to know B.to learn C.know D.learning( )24.A.not longer B.not more C.no longer D.no more( )25.A.until B.after C

28、.when D.as五、课后练习 完成下列句子的汉译英1.中国人口有多少？ 中国有大约13亿人口。_ the _ _ China ? China _ a population of _1.3 billion.2. 为什么中国要实施独生子女政策？ 虽然跟以前比，中国人口增长放慢了，但人口问题依然严峻。 -Why does China _ _ with its _ policy ?-_ its population is _ _ slowly than before, its population problem _ _ quite _.3. 这所学校里老师的数量是300人，其中四分之一是女教师。

29、 _ _ of the teachers in the school _ 300, _ _ of them _ women teachers.4. 上周石油的价格增长了百分之二。 的确如此。 The price of oil _ _ 2% last week. _ _ _.5. 你生活在哪种家庭，是大家庭，还是小家庭？_ _ of family are you _, _ family or _ family ?选择题( ) 1. Two thirds of the surface of the earth _ covered with water. A. is B. are C. has( ) 2. The number of workers in this factory _ increasing. A. are B. is C. will( ) 3. -It seems to me that you are