高考英语一轮复习 每日一题（第14周）as与which引导的定语从句（含解析）.doc

as与which引导的定语从句高考频度： 难易程度： 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】分析句子结构可知，空处引导非限制性定语从句，指代的是整个主句的含义，故可排除a、c两项。as引导非限制性定语从句时，表示如同，正如，符合题干意思，故选d项。2. it is a truly delightful place, _ looks the same as it must have done 100 years ago with its winding streets and pretty cottages.a. as b. wherec. thatd. which【答案】das与which引导非限制性定语从句的比较一、相同点两者引导非限制性定语从句时，可指代主句中的部分或整个句子的内容，在从句中作主语、宾语或表语，位于主句之后有时可互换。the meeting was put off, as /which was exactly what we wanted. 会议被推迟了，这正是我们想要的。he was a doctor, as/which i knew from his manner. 他是一名医生，我是从他的举止中知道的。二、不同点1. as可以放在主句前后，也可插入主句之中；而which引导的非限制性定语从句只能位于主句之后。as is known to all, fish cant live without water. 众所周知，鱼离开水无法生存。air, as we know, is gas. 正如我们所知，空气是气体。2. 在非限制性定语从句中，which后的be动词不可省；而as后的be动词可以省略。she told me she won the match, which was a lie. 她告诉我们她赢得了比赛，这是一个谎言。the material is elastic, as (was) shown in the figure. 这种材料是有弹性的，正如图中所示。3. which在非限制性定语从句中作主语时可用各类动词作谓语；而as作主语时，谓语常用系动词，如be，seem，become等，一般不用其他行为动词。he saw the girl, which delighted him. 他看见了那个女孩，这让他很高兴。he didnt say anything at the meeting, as/which seemed very strange. 他在会议上一言未发，这看起来非常奇怪。4. as常用正如含义，常用的结构有as we know（众所周知）；as often happens（正如常发生的那样）；as is often the case（情况常常如此）；as we all can see（正如我们看到的）；be announced / expected / known / imagined / mentioned / said / shown / reported等。这些结构常放句首，偶尔也可以放句中或句末。as is known to all, china is a developing country. 众所周知，中国是一个发展中国家。kate was late for school, as often happened. 凯特上学迟到了，正如常发生的那样。5. 在非限制性定语从句中，which可指代主句中的某一个单词，as不可以。my brother enjoyed playing basketball, which he really plays well. 我哥哥喜欢打篮球，他打得非常好。beijing, which he was born in, is our capital. 北京，他出生的地方，是我们的首都。6. 介词+关系代词（介宾代物）中关系代词只能用which。the travel agency, with which our company has been dealing for several years, has opened for new branches. 那家与我们交易了好几年的旅行社又开了新的分店。air is a mixture of gases, of which oxygen forms 21 percent. 空气是一种气体的综合体，其中氧气占了21%。7. 从句中的谓语动词是否定形式时，常用which。 he can write a letter in english, which i can not. 他可以用英语写信，我不能。metal will bear beating with a hammer, which a stone will not. 金属能承受得住用锤子敲打，但是石头则不能。8. 非限制性定语从句中的关系代词代表前面主句中的宾语从句时，常用which。he said he had passed the exam, which was untrue. 他说他通过了考试，这是假的。 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 unhappy 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 1977.a.thatb.whichc.whatd.it5. it rained very hard yesterday, _ prevented me from going to the school.a.thatb.itc.asd.which参考答案引导。3. a 【解析】考查定语从句。句意：这个故事的开头很好，正如结尾一样，留给我们很多需要思考的东西。本句中前文the beginning of the story is excellent为下文is the ending的逻辑主语，用as引导定语从句时，先行词可以是一个词，也可以是一句话。so和such无此用法。第二空为非限定性定语从句，先行词the beginning of the story为下文定语从句的逻辑主语，指物，故关系词用which。选a。4. b 【解析】考查非限制性定语从句。句意：遥远的桥是corneliu