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高一英語(yǔ):必修2英語(yǔ)單元重難點(diǎn)解析2 unit 1

2017-03-01 23:50:19 來(lái)源:精品學(xué)習(xí)網(wǎng)

   (1)spend的主語(yǔ)必須是人,常用于以下結(jié)構(gòu):

 、 spend time/money on sth. 在……上花費(fèi)時(shí)間(金錢)。例:

  I spent two hours on this maths problem. 這道數(shù)學(xué)題花了我兩個(gè)小時(shí)。

 、 spend time/money (in) doing sth. 花費(fèi)時(shí)間(金錢)做某事。例:

  They spent two years (in) building this bridge. 造這座橋花了他們兩年時(shí)間。

  (2)cost的主語(yǔ)是物或某種活動(dòng), 還可以表示"值", 常見(jiàn)用法如下:

 、賡th. costs + (sb.) +金錢. 某物花了(某人)多少錢。例:

  A new computer costs a lot of money. 買一臺(tái)新電腦要花一大筆錢。

  ② sth. costs + (sb.) +代價(jià). 做某事使某人付出了什么代價(jià)。例:

  Drunk driving cost him his life. 酒后開(kāi)車使他付出了生命的代價(jià)。

  (3)take后面常跟雙賓語(yǔ), 常見(jiàn)用法有以下幾種:

 、買t takes sb. +時(shí)間+to do sth. 做某事花了某人多少時(shí)間。例:

  It took them three years to build this road. 他們用了三年時(shí)間修完了這條路。

 、贗t takes (sb )+sth + to do sth. 做某事需要(某人)某物。例:

  Courage is what it takes to succeed.成功需要勇氣。

  A smile is sometimes what it takes to cheer a friend up. 有時(shí)候一個(gè)微笑就會(huì)使朋友高興起來(lái)。

  (4)pay的基本用法是:

 、 (Sb) pay (sb.) money for sth. 付錢(給某人)買……。例:

  I have to pay them 20 pounds for this room each month. 我每個(gè)月要付20英磅的房租。

  ② pay for sth. 付……的錢。例:

  I have to pay for the book lost. 我不得不賠丟失的書(shū)款。

 、 pay sb (+ to do) 付錢給某人(去做某事)。 例:

  We pay the baby-sitter by the hour. 我們按小時(shí)給保姆錢。

  I will pay you $3 to clean my car.我給你3美元你替我洗車。

  語(yǔ)法點(diǎn)撥

  限制性定語(yǔ)從句和非限制性定語(yǔ)從句

  一.限制性定語(yǔ)從句和非限制性定語(yǔ)從句的概念

  1.限制性定語(yǔ)從句:

  限制性定語(yǔ)從句對(duì)先行詞起限制、修飾的作用,關(guān)系代詞有that, which, whom, who, whose以及關(guān)系副詞when, where, why等,沒(méi)有逗號(hào)把從句與先行詞分開(kāi)。限制性定語(yǔ)從句是先行詞不可缺少的部分,去掉它主句意思往往不明確。例如:

  Do you know the professor who is speaking at the meeting?

  Where is the book which I bought this morning?

  2.非限制性定語(yǔ)從句:

  非限制性定語(yǔ)從句是先行詞的附加說(shuō)明,去掉了也不會(huì)影響主句的意思,它與主句之間通常用逗號(hào)分開(kāi)。用法其實(shí)與限制性定語(yǔ)從句極為相似,只是不能用that引導(dǎo)。例如:

  This letter is from his parents, who are working in Tibet.

  English is an important subject, which every student should study well.

  二. 限制性定語(yǔ)從句和非限制性定語(yǔ)從句的區(qū)別

  1. 從形式上看,限制性定語(yǔ)從句與其先行詞緊緊相連,兩者沒(méi)有停頓;非限制性定語(yǔ)從句與先行詞之間有逗號(hào)隔開(kāi)。

  2. 從意義上講,限制性定語(yǔ)從句用來(lái)修飾先行詞,兩者密不可分;而非限制性定語(yǔ)從句僅僅對(duì)先行詞作補(bǔ)充性敘述或說(shuō)明,兩者關(guān)系不那么緊密。

  3. 從翻譯方法來(lái)看,一般來(lái)說(shuō),限制性定語(yǔ)從句多半譯成漢語(yǔ)的前置定語(yǔ),修飾其后的先行詞,非限制性定語(yǔ)從句則往往譯成后置的并列從句。例如:

  This is the house which we bought last year. 這是我們?nèi)ツ曩I的那幢房子。(限制性)

  This letter is from his parents, who are working in Tibet. 這封信是他父母寫(xiě)來(lái)的,他們?cè)谖鞑毓ぷ鳌?非限制性)

  4. 從關(guān)系詞的使用來(lái)看:

  (1) that不能用來(lái)引導(dǎo)非限制性定語(yǔ)從句。

  (2) 在非限制性定語(yǔ)從句中的關(guān)系詞不能省略。

  (3) 非限制性定語(yǔ)從句的關(guān)系代詞which既可以指代前面的先行詞,也可以指代前面整句的含義。指代前面整句的含義時(shí),定語(yǔ)從句謂語(yǔ)動(dòng)詞要用第三人稱單數(shù),例如:

  She heard the terrible noise, which brought her heart into her mouth. (which指代noise) He seems not to have grasped what I meant, which greatly upsets me. 他似乎沒(méi)領(lǐng)會(huì)我的意思,這使我心煩。 (Which指代"他似乎沒(méi)領(lǐng)會(huì)我的意思"這個(gè)句子。)

  (4) as在引導(dǎo)非限制性定語(yǔ)從句時(shí),指代整個(gè)主句,有"正如,就像"之意。as引導(dǎo)的定語(yǔ)從句可放在主句之前,之中或之后,位置靈活。例如:"我們都知道,吸煙有害健康"這句話可譯成:

  As we know, smoking is harmful to our health.

  Smoking, as we know, is harmful to our health.

  Smoking is harmful to our health, as is known to us all.

  典題賞析

  考例一:He made another wonderful discovery, _______ of great importance to science.

  A. which I think is B. which I think it is

  C. which I think it D. I think which is

  【解析】答案A。先行詞是discovery,定語(yǔ)從句意為"這個(gè)發(fā)現(xiàn)對(duì)科學(xué)很重要",所以引導(dǎo)定語(yǔ)從句的關(guān)系詞在從句中做主語(yǔ),由which引導(dǎo)。I think是插入語(yǔ),考慮句子結(jié)構(gòu)時(shí)可忽略,定語(yǔ)從句就簡(jiǎn)化成了which is of great importance to science。

  考例二:There was ______ time ______ I hated to go to school.

  A. a; that B. a; when C. the; that D. the; when

  【解析】答案B。全句意為"曾經(jīng)有一段時(shí)間我痛恨上學(xué)"。 第一空a time表示一段時(shí)間,第二空引起定語(yǔ)從句,且在從句中作時(shí)間狀語(yǔ),所以用when。

  考例三:Carol said the work would be done by October, ______ personally I doubt very much.

  A. it B. that C. when D. which

  【解析】答案D。從句意為"我對(duì)"Carol說(shuō)的在十月前能做好這項(xiàng)工作表示懷疑", which代表"十月前能做好這項(xiàng)工作"這部分內(nèi)容,并在從句中做賓語(yǔ)。

  考例四:Professor William keeps telling his students that the future ______ to the well-educated.

  A. belongs B. is belonged C. is belonging D. will be belonged

  【解析】答案A。belong to 不能用被動(dòng),也不能用于進(jìn)行時(shí)。

  考例五:I have reached a point in my life ______ I am supposed to make decisions of my own. A. which B. where C. how D. why

  【解析】答案B。a point是先行詞,定語(yǔ)從句空白處意為"在這一點(diǎn)上",所以用表地點(diǎn)的where。這里表示一個(gè)抽象的地點(diǎn)。

  考例六:It's none of your business _______ other people think about you. Believe yourself.

  A. how B. what C. which D. when

  【解析】答案B。此題意為"別人怎么看你跟你無(wú)關(guān)。相信自己。"表示對(duì)某人或某物的看法,常用句型有:What do you think?

  What would you say…?

  What do you think of/about …?

  How do you feel about …?

  How do you like sth?

  What's your idea/opinion of…?等。

  (責(zé)任編輯:康彥林)

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