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1、高中英语语法（高中英语语法（2）主语从句）主语从句 背诵要点： 1、主语从句是指主语用一个从句来表达的句子，也就是说在谓语动词前面的部分是一个从 句的句子是主语从句。 2、主语从句的引导词有： 1）连词：that, whether 2）连接代词：who, what, which, whose, whom 3）连接副词：where, when, how, why 3、主语从句使用正常主谓语序，不能用倒装语序。 4、通常主语从句用形式主语 it 来代替，将从句置于句末。 5、that 在主语从句中不能省略。 例如：What he said is hard to understand. Where
2、he has gone is unknown to us all. That you find this exercise difficult is quite natural. It is quite natural that you find this exercise difficult. 注意要点： 1、引导词 that 与 what what 既有引导主语从句的作用,同时又在从句中作成分,这时 what 相当于 all that 或 everything that.,常译成“所的(东西、事情、话等.)“;而 that 只起连接作用,本身无实际意 义,在从句中也不担当任何成分.但 th
3、at 引导的主语从句放在句首时,不能省略 that.例如:What is done cant be undone. (谚语) 已成定局, 无可挽回. 2、引导词 if 和 whether 表示是否的意思时，不能用 if 代替 whether. It hasnt been decided whether hell come or not. Whether hell come or not hasnt been decided. 3、熟记以下变化Whoever=no matter who=any one who Whichever=no matter which=any one which Wha
4、tever=no matter what=anything that 基础题练习： 1_your father wants to know is_ getting on with your studies. A. What; how are you B. That；how you are C. How；that you are D. What；how you are 2. The trouble is _we are short of tools. A. what B. that C. how D. why that 3. America was _was first called “Indi
5、a” by Columbus. A. what B. where C. the place D. there where 4. China is becoming stronger and stronger. It is no longer_ . A. what it used to be B. what it was used to being C. what it used to being D. what it was used to be 5. _he really means is _he disagrees with us.A. What that B. That what C.
6、What what D. That what 6. The energy is _ makes the cells able to do their work.A. that B. which C. what D. such 7. All _ you told me yesterday was serious. A what B which C that D why 8. _ we need more chances to practice speaking English is quite clear. A That B / C Whether D What 9. _ that air ti
7、ckets are more expensive that bus tickets. A As we all know B As it known to all C It is known to all D Which we all know 10. Where and when _ there hasnt been decided. A shall we go B we went C we shall go D did we go 11. It is hard to say _ money you are allowed to take. A whatever B how much C wh
8、en D where 12. Whether we will go out for a walk _ the weather. A depends on B depends C relies D rely on 13 I took it for granted _ you would stay with us. A which B why C whether D that 14. It seems _ he has never been paid the money. A that B how C as D even though 15. _ there is another chance f
9、or you to try. A It is said B It is said that C He said D You are said 16. It is impossible _ he misunderstood _ I said. A that; what B that; that C what; that D /; what 提高题： 1._ most students couldnt understand is _ their teacher changed his mind at the eleven hour. A That; that B Which; what C Wha
10、t; what D What; why 2. _ that the whole nation is in a complete mess. A To report B It is reported C Reporting D Reported 3. _ was once considered impossible has now become reality. A What B That C It D Something 4. _ on Sunday will depend on the weather in the coming few days. A That we go out B Wh
11、ether we go out or not C If we go out or not D That if we go out or not 5. _ the committee has proposed and how it has been carried out _ agree. A What; dont B How; dont C What; doesnt D How; doesnt 6. _ he missed the flight was the real reason _ he didnt attend the meeting on the first day. A That; that B When; that C That; why D When; why 翻译： 1、他刚才所说的话似乎很有道理。 （reasonable）2、她是否回家还不得而知。 （unknown）3、我们得不到的东西似乎比已得到的要好。(seem)4、一位新老师将来教我们英语, 这是真的。 （true）5、众所周知, 台湾是中国不可分割的一部分。 （inseparable）
