中国教育曙光网—名师在线

Unit 17　Nature

【重点、难点点拨】

　　1. 交际用语: 谈论一计划,达到一目的。

　　2. 课文阅读词汇理解:

　　be used for, so that…, sound(v), at present, used to do, year by year, arrive at/in, set sb/sth free, once more, put on performances, on day, one after another, It is hoped that…。

　　3. 语法与写作:

　　(1) 掌握并会运用现在进行时的被动。

　　公式:be (am, is,are )+ being + P.P.

　　(2) 了解各种时态中的被动语态,掌握概念。

【重点、难点例题解析】

　　1. 　In ancient time silk　　 paper, but now paper　　 daily writing.

　　A. used to be used as; is used for

　　B. was used to be used as; is used as

　　C. used to be used for; is used as

　　D. was used to be used for; is used for

　　答案: A。 (1) ｛〖JB(〗be used for…(达到一目的)

　　be used to do…〖JB)｝〗（被用作……）

　　be used as(一种东西代替另一种东西)〖JB)〗

　　(2) ｛

　　be used to do…(被用于…)

　　be used to sth/doing…(习惯于…)

　　used to do sth (过去常常做某事)〖JB)〗

　　2. 　Time passed 　　 and we still stay in the country.

　　A. day by day 　B. days by days 　

　　C. a day by a day 　D. one day by one day

　　答案: A。单数可数名词(无冠词)+介词+单数可数名词(无冠词),此结构中常见介词有:by, after, in, to。 by表示数目增多,after表示周而复始。 3. 　It 　　 that everyone in our country will live a happy life.

　　A. hopes　B. is hoped 　C is hoping　D. will hope

　　答案: B。此结构中it 为形式主语,that从句为真正主语。It is hoped that = People hope that。类似句型还有：

　　It's said that; It's believed that; It's reported that; It's known to all that。

　　4. 　The number of horses on this farm 　　 from 2 thousand to 200 thousand.

　　A. is grown 　B. has grown 　C are grown 　D. have grown

　　答案:B。 the number of +可数名词,后面动词用单数。

　　A number of +可数名词,后面动词用复数。

　　5. 　There aren't 　　 many nurses to care for 　　 little children.

　　A. such, such　B. so, so 　C so, such　D. such, so

　　答案:C。 such 强调修饰名词, so 则强调修饰形容词。几个固定结构so many/much+名词;too much+不可数名词;so 译为"那么……"，such 译为"这样……"。

【重点、难点练习题】

　　1. 　What play will be 　　 at the theater tonight?

　　A. when 　B. before　C until　D. so that

　　2. 　I first met Lisa three years ago. She 　　 at a radio shop at the time.

　　A. has worked　B. was working　

　　C. had been working　D. had worked

　　3. 　His plan 　　 a good one.

　　A. sounds　B. sound 　C sounded 　D. sounding

　　4. 　A new house 　　 at he corner of the road now.

　　A. is building 　B. is being built 　

　　C. been built 　D. has been built

　　5. 　Bob used to 　　 a difficult person to get along with. But 　　 he has used to 　　 with others in a friendly way.

　　A. be; recent; working　B. be; recently; working

　　C. be; at present; work 　D. being; recent; working

【全方位单元综合练习题】

　　Ⅰ 语音

　　1. alive　A. quiz 　B. wild　C. increase　D. sick

　　2. recently　A. research 　B. protect 　C.senior　D.escape

　　3. rescue　A. suggest　B. duck　C. discuss 　D. put

　　4. flat　A. nature 　B. operator　C. trap　D. case

　　5. greatly 　A. healthy　B. peach 　C. increase　D. break

　　Ⅱ 单项选择

　　1. 　Try to guess the meaning of a new word while reading 　　 your reading skill can be improved.

　　A. when　B. before 　C until 　D. on

　　2. 　The stick can as well be used　　 a pen to write with.

　　A. for　B. with 　C as　D. like

　　3. 　That room 　　 my father's library and now it is my bedroom.

　　A. was used to be　B. used to being　

　　C. used to be 　D. was used to being

　　4. 　It was 　　 weather that we had to stay home.

　　A. such had　B. such a bad　C so bad　D. so bad a

　　5. 　　 such a way of living. What about you?

　　A. I'm not used for　B. I'm not used to　

　　C. I didn't use to　D. I usedn't to

　　6. 　The library has just been completed and is now ready 　　.

　　A. for use　B. to use　C using　D. being used

　　7. 　Some new oil fields 　　 since 1976.

　　A. were opened up 　B. has opened up

　　C. have been opened up 　D. had been opened up

　　8. 　Very little time 　　 to finish this work if we have the right tools to do it.

　　A. needs　B. are needed 　

　　C. will be needed　D. will need

　　9. 　The life of the milu 　　 at present.

　　A. is been studied　B. is being studied

　　C. was being studied 　D. have been studied

　　10. 　Nobody can tell what will happen 　　.

　　A. in the future　B. in future　

　　C. from now 　D. at future

　　11. 　　 down the radio -- the baby's asleep in the next room.

　　A. Turning　B. Turn　C Turned 　D. To turn

　　12. 　The house cost 　　 we didn't buy it.

　　A. so much money that　B. so many money that

　　C. such much money that　D. such many money that

　　13. Your idea 　　 a good one.

　　A. is sounded 　B. sound　C sounds　D. is sounding

　　14. The nation was reunited and the slaves 　　.

　　A. set them free 　B. were set free 　

　　C. set free　D. were set freely

　　15. 　- Have you moved into the new apartment ?

　　- No, it 　　.

　　A. is painted 　B. is being painted　

　　C. is painting 　D. paints

　　Ⅲ 单词拼写

　　1. The owner of the house decided to p　　 the door blue.

　　2. Do you know why wild animals should be p　　?

　　3. N　　 means everything in the world that is not made by man.

　　4. The population of the causes of cancer is i　　 very fast.

　　5. The r　　 for the causes of cancer is being continued.

　　6. I've only r　　 begun to learn French.

　　7. My friend and I have s　　 tastes in music.

　　8. In order to get more money for their new project, they decided to put on two p　　 a day.

　　9. He promised to be here at four but didn't a　　 until six.

　　10. It is n　　 to be afraid when you see a snake.

　　Ⅳ写作

　　如果你是班长，请根据以下内容写一则英语通知，字数（80－100）。

　　1．　明天全班同学去颐和园，早7∶00在校门口集合，下午5∶00返回。

　　2．　自带午饭和水。

　　3．　因事不能去的同学请事先请假（ask for leave ahead of time）。

参考答案