高考英語一輪復(fù)習(xí)每日一題第14周as與which引導(dǎo)的定語從句

1、as與which引導(dǎo)的定語從句高考頻度：難易程度：1.The number of smokers，_is reported, has dropped by 17 percent in just one year.A.itB.whichC.whatD.as【答案】D【解析】分析句子結(jié)構(gòu)可知，空處引導(dǎo)非限制性定語從句，指代的是整個(gè)主句的含義，故可排除A、C兩項(xiàng)。as引導(dǎo)非限制性定語從句時(shí)，表示如同，正如，符合題干意思，故選D項(xiàng)。2. It is a truly delightful place, _ looks the same as it must have done 100 years ago

2、 with its winding streets and pretty cottages.A. as B. whereC. thatD. which【答案】Das與which引導(dǎo)非限制性定語從句的比較一、相同點(diǎn)兩者引導(dǎo)非限制性定語從句時(shí)，可指代主句中的部分或整個(gè)句子的內(nèi)容，在從句中作主語、賓語或表語，位于主句之后有時(shí)可互換。The meeting was put off, as /which was exactly what we wanted. 會(huì)議被推遲了，這正是我們想要的。He was a doctor, as/which I knew from his manner. 他是一名醫(yī)生，

3、我是從他的舉止中知道的。二、不同點(diǎn)1. as可以放在主句前后，也可插入主句之中；而which引導(dǎo)的非限制性定語從句只能位于主句之后。As is known to all, fish cant live without water. 眾所周知，魚離開水無法生存。Air, as we know, is gas. 正如我們所知，空氣是氣體。2. 在非限制性定語從句中，which后的be動(dòng)詞不可省；而as后的be動(dòng)詞可以省略。She told me she won the match, which was a lie. 她告訴我們她贏得了比賽，這是一個(gè)謊言。The material is elasti

4、c, as (was) shown in the figure. 這種材料是有彈性的，正如圖中所示。3. which在非限制性定語從句中作主語時(shí)可用各類動(dòng)詞作謂語；而as作主語時(shí)，謂語常用系動(dòng)詞，如be，seem，become等，一般不用其他行為動(dòng)詞。He saw the girl, which delighted him. 他看見了那個(gè)女孩，這讓他很高興。He didnt say anything at the meeting, as/which seemed very strange. 他在會(huì)議上一言未發(fā)，這看起來非常奇怪。4. as常用正如含義，常用的結(jié)構(gòu)有as we know（眾所周知

5、）；as often happens（正如常發(fā)生的那樣）；as is often the case（情況常常如此）；as we all can see（正如我們看到的）；be announced / expected / known / imagined / mentioned / said / shown / reported等。這些結(jié)構(gòu)常放句首，偶爾也可以放句中或句末。As is known to all, China is a developing country. 眾所周知，中國是一個(gè)發(fā)展中國家。Kate was late for school, as often happened.

6、凱特上學(xué)遲到了，正如常發(fā)生的那樣。5. 在非限制性定語從句中，which可指代主句中的某一個(gè)單詞，as不可以。My brother enjoyed playing basketball, which he really plays well. 我哥哥喜歡打籃球，他打得非常好。Beijing, which he was born in, is our capital. 北京，他出生的地方，是我們的首都。6. 介詞+關(guān)系代詞（介賓代物）中關(guān)系代詞只能用which。The Travel Agency, with which our company has been dealing for sever

7、al years, has opened for new branches. 那家與我們交易了好幾年的旅行社又開了新的分店。Air is a mixture of gases, of which oxygen forms 21 percent. 空氣是一種氣體的綜合體，其中氧氣占了21%。7. 從句中的謂語動(dòng)詞是否定形式時(shí)，常用which。 He can write a letter in English, which I can not. 他可以用英語寫信，我不能。Metal will bear beating with a hammer, which a stone will not. 金

8、屬能承受得住用錘子敲打，但是石頭則不能。8. 非限制性定語從句中的關(guān)系代詞代表前面主句中的賓語從句時(shí)，常用which。He said he had passed the exam, which was untrue. 他說他通過了考試，這是假的。1. Dad, lets go white-water rafting!Ok. But equip yourself first. It is not such an easy job _ it looks.A.asB.whichC.thatD.what2. _ is often the case, a small child will feel un

9、happy and cry a lot the first time he or she goes to kindergarten.A.AsB.WhichC.ThatD.What3. The beginning of the story is excellent, _ is the ending, _ leaves us much to think.A.as；whichB.so；thatC.as；thatD.such；which4. A Bridge Too Far is a book written by Cornelius Ryan, _ was made into a film in 1

10、977.A.thatB.whichC.whatD.it5. It rained very hard yesterday, _ prevented me from going to the school.A.thatB.itC.asD.which參考答案引導(dǎo)。3. A 【解析】考查定語從句。句意：這個(gè)故事的開頭很好，正如結(jié)尾一樣，留給我們很多需要思考的東西。本句中前文The beginning of the story is excellent為下文is the ending的邏輯主語，用as引導(dǎo)定語從句時(shí)，先行詞可以是一個(gè)詞，也可以是一句話。so和such無此用法。第二空為非限定性定語從句，先行詞The beginning of the story為下文定語從句的邏輯主語，指物，故關(guān)系詞用which。選A。4. B 【解析】考查非限制性定語從句。句意：遙遠(yuǎn)的橋是Cor