【2012四川卷】13. In our class there are 46 students, _____ half wear glasses. A. in whom B. in them C. of whom D. of them
13.【答案与解析】 C 本题考查定语从句。前后两句话之间无连词，故不能用人称代词them 而应用关系代词whom引导定语从句；在46个学生当中，表所属，应用of。故答案选C。 【2012陕西卷】14. It is the third time that she has won the race, ______ has surprised us all.
A. that
B. where
C. which
D. what
A15[2012陕西卷]【答案与解析】C 考查定语从句。所填词前有逗号，是非限制性定语从句，先行词是整个主句，关系词在从句中做主语，选C。其余选项与题干不符。 【2012北京卷】26. When deeply absorbed in work, ______ he often was，he would forget all about eating or sleeping. A. that B. which C. where D. when 26. B。非限制性定语从句，which作表语。
【2012全国II】8. That evening, _____ I will tell you more about later, I ended up working very late.
A. that B. which C. what D. when 【答案】B
【解析】这里that evening是先行词，其在定语从句中作介词about的宾语，所以用which。句意：以后我将和你谈起的那个晚上，我工作到了很晚。 【考点定位】考查非限制性定语从句的关系词。
7【2012天津卷】I wish to thank Professor Smith, without_______help I would never have got this far.【B】
A. who B. whose C. whom D. which
[2013·上海卷]38. An ecosystem consists of the living and nonliving things in an area ______ interact with one another. A. that 38. 答案：A
解析：题干的意思是：“生态系统是由一个区域里相互作用的生物和非生物构成的”。分析句子结构，______ interact with one another是定语从句，先行词是the living and nonliving things，通过还原法可知，先行词在从句中作主语，不是人，所以用that。务必记住：what不可引导定语从句。
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B. where C. who D. what
[2013·浙江卷]13The museum will open in the spring with an exhibition and a viewing platform_________ visitors can watch the big glasshouses being built.
A. what
B. where
C. when
D. why
13.B。考查定语从句。where引导的定语从句修饰platform，where再从句中充当地点状语。解题思路：1.确定从句类型，主句主干完整，可判断出是定语从句而非名词性从句；2.查找先行词；3.判断从句主干是否完整，确定关系代词或关系副词在从句中充当什么成分。 【句意】这家博物馆将在春天开放，有一个展览和一个观看平台，在这个平台上参观者可以看到正在建造一个大玻璃屋。
[2013·重庆卷] 24John invited about 40 people to his wedding, most of ________ are family members.
A．them B．that C．which D．whom
24. D。本题考查定语从句。逗号之后是一个非限定性定语从句，关系词that只能引导限定性定语从句，排除；先行词是people，which 只能指物，排除选项C；如果用them， 则逗号之后应该加上一个连词and，排除。
【拓展】英语中两个句子之间是必须要有一个连词的，简单说，如果在一个逗号的前面和后面的句子之中没有连词的话，那这个句子就是错误的。
【句意】约翰邀请了四十个人参加他的婚礼，其中大部分是家庭成员。
[2013·陕西卷]16 is often the case with children, Amy was better by the time the doctor arrived.
A. It B. That C. What D. As
16. B。本题考查定语从句。as在此句中引导非限定性定语从句，放在句首，同时在从句中作主语，为正确答案；如果用it或者that，那么整个句子中缺少一个连词，排除选项A和B； 如果用what，逗号前面应该是一个主语从句，主语从句之后应该是谓语动词，而不是逗号之后再来一个句子，排除。
【句意】等医生到的时候，Amy好多了，孩子都这样。
[2013·四川卷]9 Nowadays people are more concerned about the environment ________ they live.
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A. what B. which C. when D. where
9. D。本题考查定语从句。the environment是先行词，在定语从句中做地点状语，“他们生活在这个环境中”，故用关系代词where。
【拓展】关系词的选择，最关键的就是看先行词在定语从句中作什么成分，而不是看先行词是表示什么的单词，如表示地点的先行词之后未必用where，同样表示时间的先行词之后未必用when。【句意】现在人们更加关心他们所生活的环境。
[2013·山东卷]35 Finally he reached a lonely island ________ was completely cut off from the outside world.
A. when B. where C. which D. whom
35.C。本题考查定语从句。定语从句的先行词为island，而先行词在从句中所做的成分是主语，所以用关系代词that或which；when和where引导定语从句时用做状语；而whom引导定语从句时做宾语。【句意】最终他们到达了一个完全与外界隔绝的荒岛上。 [2013·山东卷] 31There is no simple answer, ________ is often the case in science.
A. as B. that C. when D. where
31.A。本题考查as引导的非限制性定语从句。That是不可以引导非限制性定语从的；而when和where引导定语从句时不做主语。【句意】没有简单的答案，正如科学界的许多情况一样。 [2013·辽宁卷] 34 He may win the competition, ________ he is likely to get into the national team.
A．in which case B．in that case C．in what case D．in whose case
34. A。本题考查非限制性定语从句。分析句子结构，He may win the competition为主句，剩下的只可以为从句，故先排除B。本题中，in which case引导非限制性定语从句，相当于and in that case。所以选A。
【拓展】考生务必牢记：what不可引导定语从句。
[2013·江西卷] 33 He wrote a letter ________ he explained what had happened in the accident.
A. what B. which C. where D. how
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33.C．考查定语从句。解题关键是判断定语从句关联词的选择方法，即：根据先行词在定语从句中做的成分来判断。本题中先行词letter在从句中做地点状语，因此，正确答案为C。 【句意】他写了一封信，在信中他解释了事故中发生的一切。 【拓展】what与how都不可以引导定语从句。
[2013·江苏] 32 The president of the World Bank says he has a passion for China，________ he remembers starting as early as his childhood.
A．where B．which C．what D．when
[2013·湖南卷] 21 Happiness and success often come to those ________ are good at recognizing their own strengths.
A. whom C. what
B. who
D. which
21. B。考查定语从句。who指代先行词those（那些人），在从句中做主语， whom不能做主语，which指物，what不能引导定语从句，故选择B。
解题技巧：找主干，析从句。1.找主干：因为主句完整， Happiness and success often come to those.不难看出本题考查定语从句，排除what。2.析从句:____are good at recognizing their own strengths,缺主语，先排除whom，先行词those（那些人），排除which，故选择who。 【句意】幸福和成功总青睐能善于意识到自己长处的人们。
[2013·福建卷]27 The book tells stories of the earthquake through the eyes of those ________ lives were affected.
A. whose B. that C. who D. which
27. A。本题考查定语从句。____ lives were affected.是定语从句，修饰those，从句的主语是____ lives，缺修饰语，所以选whose。
【句意】这本书从经历过地震的人的角度来讲述地震的故事。
[2013·北京卷] 27Many countries are now setting up national parks ________ animals and
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plants can be protected.
A. when B. which C. whose D. where
27. D。本题考查定语从句的连词。空处之后是一个定语从句，先行词是park，在定语从句中作地点状语，“in the park”，故应该选用关系副词where。 【句意】许多国家都在建立国家公园，可以保护很多动植物。
【小窍门】定语从句中关系词的选择取决于在定语从句中的句法作用，要看它做什么成分，而不是表示什么，如表示时间，地点等的先行词，在定语从句中未必就是做时间或者地点状语，如果是做主语，宾语，表语，那就不能用关系副词when，where，而应该根据具体情况，选用关系代词。
[2013·安徽卷] 29 Mo Yan was awarded the Nobel Prize for Literature in 2012, ________ made one of the Chinese people's long－held dreams come true
A．it B．that C．what D．which
29. D。本题考查定语从句的关系词。首先根据句意确定逗号之后是一个非限定性定语从句，锁定正确答案是which；that 不能引导非限定性定语从句，排除；what不能引导定语从句，排除；如果用it， 根据句子结构，它的前面缺少一个连词，排除。
【句意】莫言被授予2012年诺贝尔文学奖，使得中国人长久以来的一个梦想成真了。 [2013·天津卷]6 We have launched another man－made satellite，________ is announced in today's newspaper.
A. that B. which C．who D．what
6.B。本题考查非限制性定语从句。本句中which指代的就是前面整句话的内容，即我们又发射了一颗人造卫星这件事，可翻译成“这一点”。
【句意】我们又发射了一颗人造卫星，这一事件在今天的新闻中得到了报道。
[2013·课标全国卷Ⅱ] 4When I arrived, Bryan took me to see the house ________ I would be staying.
A. what B. when C. where D. which
4. C。本题考查定语从句的连词。空处之后是一个定语从句，解题关键就是看关系词在定语
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