新人教版英語(yǔ)八年級(jí)下冊(cè)u(píng)nit8重點(diǎn)講解及練習(xí)題

1、精選優(yōu)質(zhì)文檔-傾情為你奉上語(yǔ)法聚焦：現(xiàn)在完成時(shí) (Present Perfect Tense)1) 現(xiàn)在完成時(shí)的定義：（1）表示過(guò)去發(fā)生或已經(jīng)完成的動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果。Its so dark. 太黑了。Someone has turned off the light. 有人把燈關(guān)上了。（2）表示從過(guò)去某一時(shí)間開(kāi)始并一直持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)。常與since+過(guò)去的時(shí)間點(diǎn)，for+一段時(shí)間，so far等時(shí)間狀語(yǔ)連用。I have lived here for ten years.我已經(jīng)住在這里10年了。（從10年前開(kāi)始，持續(xù)到現(xiàn)在還住這兒）I have lived here since

2、 2003. 自從2003年我就住在這兒。（從2003年開(kāi)始，持續(xù)到現(xiàn)在還住這兒）2) 現(xiàn)在完成時(shí)的構(gòu)成及句式轉(zhuǎn)換：助動(dòng)詞 have/has + 過(guò)去分詞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, （一般疑問(wèn)句及肯定、否定回答）現(xiàn)在完成時(shí)的標(biāo)志：常與just, already, yet, ever, never, before, so far 等連用，強(qiáng)調(diào)動(dòng)作的完成，不強(qiáng)調(diào)動(dòng)

3、作的持續(xù)。Have you ever been to Japan?I have just finished my homework.for + 時(shí)間段；since + 過(guò)去的時(shí)間點(diǎn)；since + 段時(shí)間 ago；since + 一般過(guò)去時(shí)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、根據(jù)句意或漢語(yǔ)提示寫詞。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.【課后鞏固】一、用括號(hào)內(nèi)所給單詞適當(dāng)形式填空 (每題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，意為“已經(jīng)”，位于行為動(dòng)詞之前，be動(dòng)詞、助動(dòng)詞之后。 例如： We have already cleaned the classroom. 我們已經(jīng)打掃了教室。yet用于疑問(wèn)句中表示“已經(jīng)”；用于否定句中表示“還（沒(méi)）”。 例如： Has he found his watch yet? No, not yet. 單項(xiàng)選擇： 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，你已經(jīng)決定英語(yǔ)課寫哪本書了嗎？which book to write about 意為“寫哪一本書”，此處為“疑問(wèn)詞+動(dòng)詞不定式”結(jié)構(gòu)，在句中作賓語(yǔ)。I cant decide when to start. 我不能決定何時(shí)動(dòng)身。I am thinking

8、about how to deal with the problem. 我正在考慮怎樣處理這個(gè)問(wèn)題。拓展 常用于此結(jié)構(gòu)的疑問(wèn)詞還包括疑問(wèn)代詞who, whom, what 及疑問(wèn)副詞when, where 和 how。He taught me how to pronounce it. 他教我如何發(fā)音。I didnt decide where to live. 我沒(méi)有決定住哪兒。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 意為“記下；放下”，為“動(dòng)詞+副詞”型短語(yǔ)，賓語(yǔ)若為代詞，應(yīng)放在put 與 down 中間。_ 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 為固定搭配，用于兩者之間，

10、意為“一個(gè)另一個(gè)”。 例如： He has two sons. One is a doctor, the other is a student.他有兩個(gè)兒子。一個(gè)是醫(yī)生，另一個(gè)是學(xué)生。2. some the others用于三者或三者以上，意為“一些其余的”。 例如： Boys are on the playground. Some are playing basketball, the others are playing football. 男孩們都在操場(chǎng)上，一些正打籃球，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詞義辨析: success 、succeed、 successful和 successfully的辨析success：名詞，意為“成功”succeed：不及物動(dòng)詞，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: 形容詞，意為“成功的”。successfully: 副詞，意為“成功地”。 選詞填空：succeeded, successful, succ

12、essfully1. She _ in passing the exam. 她成功的通過(guò)了考試。2. The performance was _. 演出很成功。3. I finished my training _. 我成功地完成了訓(xùn)練。2.語(yǔ)法聚焦： The number of records he has sold. 他已售出的唱片的數(shù)量the number of 意為“的數(shù)量”，作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞要用單數(shù)。The number of visitors to Hong Kong has now increased.現(xiàn)在去香港參觀的人數(shù)已增加。試一試：辨析 the number of 與 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.屬干，為所擁有belong to.為動(dòng)詞短語(yǔ)，意為"屬于，為所擁有"。其中to是介詞，后接名詞或人稱代詞的賓格形式，但不能跟物主代詞或所有格。 This ring belongs to my m

14、other.這戒指是我媽媽的。 These books belong to me.這些書是屬于我。注意belong to可以與物主代詞或所有格進(jìn)行句式互換。This house belongs to us. = This house is ours這座房子是我們的。This CD belongs to It isn't A.Tom; Sam B.Tom; Sam'sC. Tom's ； Sam's D. Tom's ； Sam一、根據(jù)漢語(yǔ)或首字母提示寫詞。（5分）1We Chinese should love our motherland（祖國(guó)）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（詩(shī)人）loves the b_ of the nature and the country.5. We often i_ ourselves to others at the beginning of the term.（

16、學(xué)期）二、用所給單詞正確形式填空。（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）根據(jù)句意及首字母提示補(bǔ)全單詞

17、。（每題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）選擇合適的單詞完成短文。（每題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）單項(xiàng)選擇。（每題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