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1、题20 名词性从句易错点解题方法在复合句中起名词作用的从句叫做名词性从句。包含4类从句：主语从句；表语从句；宾语从句；同位语从句。高考考点主要是：1.从句引导词的选择；2.从句的语序；3.从句的时态和主句时态及数的一致。 在名词性从句中一律用陈述句的语序，即使从句表达的是疑问含义。1. She was so angry and spoke so fast that none of us understood _ he said meant.A. thatB. what C. that thatD. what what【答案】D.【解析】可能误选B。许多同学一看选项首先就排除了C和D，认为这样两
2、个“引导词”叠用的情况不太可能。在A和B两个选项中，选项A肯定不行，因为它引导宾语从句时不能充当句子成分，所以便选择了B。正确答案选 D。第一个what 用作动词 meant 的宾语，第二个what 用作动词 said 的宾语，即在 none of us understood what what he said meant 中，none of us understood 为主句，what what he said meant 为宾语从句，而在此宾语从句中又包括有 what he said 这样一个主语从句。上句= She was so angry and spoke so fast that
3、none of us understood what he said.= She was so angry and spoke so fast that none of us understood what the thing that he said meant .2. After _ had happened he could not continue to work there.A. Which B. how C. what D. having【答案】C.【解析】可能误选A。最佳答案选 C。有的同学误选A，是因为认为介词后应接关系代词 which，但实际上，若填关系代词，其前没有先行词，
4、这不是一个定语从句。另外，由于 had happened 缺主语，所以B和D也不能选。3“Is _ you want to say?” asked the teacher.A. this B. thatC. all that D. that all【答案】D.【解析】根据中文字面意思误选A或B。最佳答案选 D。假若选A或B，那么转换成陈述句即为：This is you want to say. / That is you want to say. 显然句中的两个谓语动词 is与want相冲突。选D组成的句子是 Is that all you want to say? 其中的that 为句子主语
5、，all 为表语，you want to say 为定语从句，用以修饰all。 4. “When _ leave for Japan?” “When _ leave for Japan is kept secret.”A. they will, will theyB. will they, they willC. they will, they willD. will they, will they【答案】B.【解析】可能误选D，认为 when 后应用疑问句词序。最佳答案选 B。第一个when引出的是一个特殊疑问句，故用疑问词序；第二个 when 引出的是主语从句，故其后用陈述句词序。5. S
6、omeone is ringing the doorbell. Go and see _.A. who is he B. who he is C. who is it D. who it is【答案】D.【解析】几个干扰项均有可能误选。此题最佳答案为D。首先可以排除A和C，因为空格处实为一个宾语从句，所以不能用疑问句词序。另一方面，按英语习惯，当用于指代身份不明的人时，要用代词it，而不用 he 或she等。比较以下两句：Mr Smith is at the door. He wants to see you. 史密斯先生在门口，他想见你。Someone is at the door. It
7、may be the postman. 有个人在门口，可能是邮递员。第一句因前面指明了是 Mr Smith，所以后面用代词 he；而第二句因前面用的是不定代词 someone，说明此人身份尚不明确，故其后用了代词 it 来指代。6. Dont you know, my dear friend, _ it is your money not you that she loves? A. who B. which C. thatD. what【答案】C.【解析】此题容易误选 A或B：选 A 的同学认为这是指人的，故用who；选B的同学认为这是非限制性定语从句，两者都是误认为这是定语从句(注意没有先
8、行词)。其实答案应选C。that引导的是一个宾语从句，用作动词 know 的宾语，它只是被句中的插入语 my dear friend 隔开罢了。7. Everyone knows, perhaps except you, _ your girl-friend is a cheat.A. whoB. which C. thatD. what【答案】C.【解析】 that 引导宾语从句.8. I think, though I could be mistaken, _ she liked me.A. whoB. which C. thatD. what【答案】C.【解析】 that 引导宾语从句.
9、9. He told me the news, believe it or not, _ he had earned $1 000 in a single day.A. as B. which C. that D. because【答案】C.【解析】 that同位语从句,说明the news的内容，而不是非限定性定语从句。10. I will give the book to _ wants to read it. A. whoever B. whomever C. who D. whom【答案】A.【解析】 译文: 我将把这本书给那些想读它的人。whoever在名词性从句中作主语,整个从句做
10、介词to的宾语。此处可用anyone who来替换。11. _ was known to us all that Bob had broken his promise _ he would give us a rise. A. As; which B. What; that C. It; that D. It; which【答案】C.【解析】 译文: 众所周知，Bob违背了他要给我们涨工资的许诺。此处It为形式主语,第一个that引导主语从句,第二个that引导同位语从句。12._ he said at the meeting astonished everybody present. A.
11、What B. That C. The fact D. The matter【答案】A.【解析】 译文: 他在会上所说的话使在场的人都感到惊讶。主句中差主语，同时从句中差宾语用what引导主语从句。13. Im pleased _ should be done has already been done. A. with what B. that that C. by that D. that what【答案】D.【解析】 译文: 该做的已经做完了，对此我感到满意。 that引导一个宾语从句，但不在从句中充当成分；what引导一个名词性从句，在主句中充当主语同时在从句中充当宾语。精编陷阱题训练
12、1. They lost their way in the forest, and _ made matters worse was that night began to fall.A. itB. whichC. thatD. what【答案】D.【解析】 选D。what made matters worse 是主语从句(注意其后有谓语动词was)，相当于 the thing that made matters worse。2. Patience is a kind of quality and that is _A_ it takes to do anything well.A. what
13、 B. whichC. whichD. how【答案】A.【解析】 选A。what 引导的是表语从句，相当于 the thing that it takes to do anything well。3. It has come to my notice _ some of you have missed classes.A. whatB. whichC. thatD. when【答案】C.【解析】 选C。that 引导的是一个主语从句，句首的it为形式主语。4. “What were you trying to prove to the police?” “_ I was last night
14、.” A. That B. WhenC. WhereD. What【答案】C.【解析】 选 C。答句为省略句，其完整形式为 I was trying to prove to the police where I was last night，在此 where 引导的是一个宾语从句。5. Country life gives him peace and quiet, which is _ he cant enjoy while living in big cities.A. That B. whyC.where D. what【答案】D.【解析】 选D。what 引导的是表语从句，what 在此
15、相当于 the things that。6. It is pretty well understood _ controls the flow of carbon dioxide in and out the atmosphere today. A. that B. whenC. What D. how【答案】C.【解析】 选 C。句首的 it 是形式主语，空格处所填词用于引导主语从句。由于该主语从句中又缺主语，故排除A、B、D。（注意：不能选 A，因为 that 引导名词性从句时不能充当句子成分）7. _ she couldnt understand was _ fewer and fewer students showed interest in her lessons.A. What; why B. That; what
