新人教版英语八年级下册unit8重点讲解及练习题

1、精选优质文档-倾情为你奉上语法聚焦：现在完成时 (Present Perfect Tense)1) 现在完成时的定义：（1）表示过去发生或已经完成的动作对现在造成的影响或结果。Its so dark. 太黑了。Someone has turned off the light. 有人把灯关上了。（2）表示从过去某一时间开始并一直持续到现在的动作或状态。常与since+过去的时间点，for+一段时间，so far等时间状语连用。I have lived here for ten years.我已经住在这里10年了。（从10年前开始，持续到现在还住这儿）I have lived here since

2、 2003. 自从2003年我就住在这儿。（从2003年开始，持续到现在还住这儿）2) 现在完成时的构成及句式转换：助动词 have/has + 过去分词I have finished my homework. (肯定句)I have not finished my homework. （否定句）Have you finished your homework?Yes, I have. / No, I havent, （一般疑问句及肯定、否定回答）现在完成时的标志：常与just, already, yet, ever, never, before, so far 等连用，强调动作的完成，不强调动

3、作的持续。Have you ever been to Japan?I have just finished my homework.for + 时间段；since + 过去的时间点；since + 段时间 ago；since + 一般过去时的句子。They have known each other for five years.Since he was a child, he has lived in England.do _ _ go_ _read _ _ see _ _know_ _ eat _ _ forget _ _write_-_一、根据句意或汉语提示写词。1. We often

4、see people take out _ and shoot others in action movies.2. Li Ming went to Paris three years ago, now he can speak _ very well.3. I think dictionaries and Internet are good _(工具) for us to study English.4. Look, Tim is walking t_ the library. He wants to borrow some books.5. Would you like something

5、 e_ to eat? No, thanks. Im full.【课后巩固】一、用括号内所给单词适当形式填空 (每题4分,共20分)1. Judy has already _ (finish) reading Little Women.2. Tom and Mike have already _ (decide) to learn Chinese on Internet.3. Have you _ (read) Alice in Wonderland yet?4. Robinson _ (have) already built a house on the island.5. It often

6、 _ (snow) in North China in winter.yet / already already 通常用于肯定句中，意为“已经”，位于行为动词之前，be动词、助动词之后。 例如： We have already cleaned the classroom. 我们已经打扫了教室。yet用于疑问句中表示“已经”；用于否定句中表示“还（没）”。 例如： Has he found his watch yet? No, not yet. 单项选择： Have you done most of your jobs? Not _. I will do them

7、in a minute.  A. neither  B. never  C. already  D. yet Steve, have you decided yet which book to write about for English class? 斯蒂夫，你已经决定英语课写哪本书了吗？which book to write about 意为“写哪一本书”，此处为“疑问词+动词不定式”结构，在句中作宾语。I cant decide when to start. 我不能决定何时动身。I am thinking

8、about how to deal with the problem. 我正在考虑怎样处理这个问题。拓展 常用于此结构的疑问词还包括疑问代词who, whom, what 及疑问副词when, where 和 how。He taught me how to pronounce it. 他教我如何发音。I didnt decide where to live. 我没有决定住哪儿。Which dress do you like best, Madam?Sorry, I cant decide _ now. A. to buy which one B. buy which oneC. which o

9、ne to buy D. which I should buy itIt was really good, so I couldnt put it down. put down 意为“记下；放下”，为“动词+副词”型短语，宾语若为代词，应放在put 与 down 中间。_ your name on the paper and you can get a magazine.A. Cut down B. Look down C. Turn down D. Put downone the other, some the others 的辨析1. one the other 为固定搭配，用于两者之间，

10、意为“一个另一个”。 例如： He has two sons. One is a doctor, the other is a student.他有两个儿子。一个是医生，另一个是学生。2. some the others用于三者或三者以上，意为“一些其余的”。 例如： Boys are on the playground. Some are playing basketball, the others are playing football. 男孩们都在操场上，一些正打篮球，其余的正在踢足球。）Lily and her sister look the same. I ca

11、nt tell one from _.A. other B. another C. the other D. others词义辨析: success 、succeed、 successful和 successfully的辨析success：名词，意为“成功”succeed：不及物动词，后常接in doing sth.。succeed in sth. “在某事上取得成功”； succeed in doing sth. “成功做某事”。successful: 形容词，意为“成功的”。successfully: 副词，意为“成功地”。 选词填空：succeeded, successful, succ

12、essfully1. She _ in passing the exam. 她成功的通过了考试。2. The performance was _. 演出很成功。3. I finished my training _. 我成功地完成了训练。2.语法聚焦： The number of records he has sold. 他已售出的唱片的数量the number of 意为“的数量”，作主语时，谓语动词要用单数。The number of visitors to Hong Kong has now increased.现在去香港参观的人数已增加。试一试：辨析 the number of 与 a

13、 number of In our school library there _ a number of books on science, and in these years the number of them _ growing larger and larger.A. are; is B. is; are C. have; are D. has; is belong to.属干，为所拥有belong to.为动词短语，意为"属于，为所拥有"。其中to是介词，后接名词或人称代词的宾格形式，但不能跟物主代词或所有格。 This ring belongs to my m

14、other.这戒指是我妈妈的。 These books belong to me.这些书是属于我。注意belong to可以与物主代词或所有格进行句式互换。This house belongs to us. = This house is ours这座房子是我们的。This CD belongs to It isn't A.Tom; Sam B.Tom; Sam'sC. Tom's ； Sam's D. Tom's ； Sam一、根据汉语或首字母提示写词。（5分）1We Chinese should love our motherland（祖国）f_.

15、2While she was studying a_, she heard a song full of feelings about returning home.3Many songs these days are just about m_ life in the US, such as the importance of money and s_.4The poet（诗人）loves the b_ of the nature and the country.5. We often i_ ourselves to others at the beginning of the term.（

16、学期）二、用所给单词正确形式填空。（5分） beautiful south France successful listen1. Though she is a Chinese girl, she speaks _ very well.2. Taishan has given us the _ of nature.3. Failure is the mother of _.4. He used _ to pop music but now he likes rock music.5. Guangdong lies in the _ part of China.（一）根据句意及首字母提示补全单词

17、。（每题2分，共10分）1) Exploration team found a lot of t_ on this old island.2) Chinas science and t_ is developing fast.3) His son has studied a_ for five years.4) They live in one of the most m_ cities in the world.5) Diaoyu Islands b_ to China forever.（二）选择合适的单词完成短文。（每题2分，共10分）abroad, success, modern, re

18、cords, introduceToday, we will _ a famous pop singer to you. He is Steven Hom, a British young man. When he was 12, he had his first band with three friends at school. They soon had many fans. Most of them are middle school students. When Steven was 18, he went _ to study music. After Steven finishe

19、d his study in the university, he set up his second hand-Magic Maker. This band mainly plays _ music. They have sold over 50 million _. Magic Maker is a big _ and they have concerts all over the world every year. （三）单项选择。（每题2分，共20分）( ) 1. Ive just got a new MP4.Where _ you _ it?In a shopping mall ne

20、ar here.A. have; bought B. did; buy C. are; bought D. were; getting ( ) 2. Will you go and see the movie Net Mother with me?Thank you. But I _ it already. A. saw B. have seen C. see D. will see( ) 3. I began watching here an hour ago, but now nothing _ yet. A. happens B. will happen C. happened D. has happened( ) 4. Its sometimes hard to tell one twin from _. A. another B. some other C. other D. the other( ) 5. Look! A book is on the floor. Whose is it?It _ be Ricks. It has his name on it. A. mustnt B. cant C. must D. need( ) 6. Hello, may I speak to Mr. Smith?Sorry, he isnt i