幻灯片 1
高二选修6
Unit 4
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幻灯片 2I. 代词 it
a. 用作人称代词, 代替前文提到的事物。
My watch is missing. I can’t find (it) anywhere.
Her father has gone abroad. Have you heard about (it)?
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幻灯片 3b. 代替指示代词this, that。
What’s this? (It’s) a computer.
Whose pen is that? It’s mine.
c. 表示时间、天气、距离、季节、明暗等。
It’s time for lunch.
It’s getting warmer and warmer．
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幻灯片 4It’s forty years since my hometown was liberated.
It’s summer now.
How far is it from here to the airport？
It’s about twenty minutes’ walk from here to the bus stop.
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幻灯片 5II. 引导词：
a. 作形式主语, 代替由不定式, 动名词或从句表示的真正主语。其基本句型为：
It (形式主语) +adj. + to+ v.
It (形式主语) +adj. + that (subject (主语)+v. )
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幻灯片 6It (形式主语)+adj.+ whether (subject +v.)
It is ＋adj.＋for／sb. to do sth. (of )
It＋seems (appears)＋that (subject ＋v.) happens
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幻灯片 7① It is very important to help each other．
② It is no use / useless going there again．
③ It’s not decided yet when they will leave for Shanghai．
④ It seems that he has caught a cold. =He seems to have caught a cold．
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幻灯片 8 ⑤ Is ____ possible to master a foreign language in two months? A. now B. that C. it D. man
⑥ Is ____ necessary to tell his father the truth?
A. it B. that C. what D. he
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幻灯片 9b. 作形式宾语, 代替由不定式、动名词或从句表示的真正宾语。其主要基本句型为:
主语＋谓语＋it (形式宾语)＋宾语补足语＋to do sth. (doing sth. 或that从句).
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幻灯片 10① Marx found it important to study the situation in Russia.
② She thought it no use to write to him again.
③ They want to make it clear to the public that they do an important and necessary job.
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幻灯片 11④ Do you think ___ difficult to work out this maths problem? A. that B. very C. yourself D. it
⑤ Having been there many times, ___ to find Mr. Wang’s house. A. it was easy for him B. for him it was easy C. he found it easy D. he found easy
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幻灯片 12c. 用在强调句型中, 为了强调句子的某一成分(通常是主语、宾语或状语), 常用结构:
It is / was ＋被强调部分＋that (who) ….
I met Tom in the street yesterday．
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幻灯片 13① It was I who (that) met Tom in the street yesterday.
② It was Tom that I met in the street yesterday.
③ It was in the street that I met Tom yesterday.
④ It was yesterday that I met Tom in the street.
主语
宾语
时间状语
地点状语
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幻灯片 14⑤ ____ she had arrived home that she remembered her appointment (预约) with the doctor.
A. It was not until
B. Not until it was
C. Not until
D. Until it was not
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幻灯片 151. It ___ for this reason ___ her uncle moved out of New York.
A. is ... which B. was ... why
C. was ... that D. were ... how
2. It was ___ he said at the meeting __ disappointed me.
A. what.., that B. that.., that
C. what.., what D. that.., what
Drills
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幻灯片 163. ---Wasn’t it Dr. Li who spoke to you
just now?
--- ______.
A. I didn’t know he was B. Yes, he did
C. No, he didn’t D. Yes, he was
4. Was it during the Second World War ____ he died?
A. this B. then C. that D. while
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幻灯片 175. I don’t think _____ possible to master a foreign language without much memory work.
A. this B. it C. that D. its
6. Does ____ matter if he can’t finish the job on time?
A. it B. this C. that D. he
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幻灯片 187. Tom’s mother kept telling him that he should work harder, but __didn’t help.
A. he B. which C. she D. it
8. Was ___ in 1998 ___ your teacher graduated from university?
A. that.., that B. it... which
C. it... that D. it... when
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幻灯片 199. He felt ___ duty to work for human rights and progress.
A. it his B. his C. that is a D. that is his
10. ___ is no good ___ without doing anything.
A. This... talking B. It... to speak
C. That... to say D. It... talking
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幻灯片 2011. All the children except my partner ___ late because of traffic jam.
A. is B. are C. was D. has been
12. Your new clothes fit you, but mine ___ me.
A. don’t fit B. doesn’t fit
C. don’t fit for D. aren’t fit
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幻灯片 21(II) It的用法及强调句型
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幻灯片 32口诀：
代词 it 本意它, 既可指这又指那;
时间天气均可指, 谈到距离也用它;
假主假宾均可做, 强调句型跟that。
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幻灯片 331. It was this village ___ I was bought.
A. where B. that
C. on which D. which
2. It was in this village ___ I was bought up.
A. where B. that C. on which D. which
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幻灯片 343. Can it be in the drawer ___ you put your passport?
A. where B. in which C. there D. that
4. It was July 1, 1997 ___ saw the return of Hong Kong to the motherland. A. that B. when C. which D. in which
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幻灯片 355. It is two years __ I joined the army.
A. before B. since
C. that D. after
6. It was two years ___ I joined the army.
A. before B. since
C. that D. after
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幻灯片 367. --- Was it under the tree ___ you were away talking to a friend?
--- Sure. But when I got back there, the bike was gone.
A. that B. where C. which D. while
8. --- Why don’t we take a little break?
--- Didn’t we just have ____?
A. it B. that C. one D. this
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幻灯片 379. It was not until 1920 ____ regular radio broadcast began.
A. while B. which C. that D. since
10. ___ is the fact that English is being accepted as an international language.
A. There B. This C. That D. It
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幻灯片 3811. It was about 600 years ago ___ first clock with a face and an hour hand was made.
A. that B. until C. before D. when
12. I hate ____ when people talk with their mouths full.
A. it B. that C. these D. them
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幻灯片 3913. It was only when I reread his poems recently ____ I began to appreciate their beauty.
A. until B. that C. then D. so
14. It is the ability to do the job ____ matters not where you come from or what you are.
A. one B. that C. what D. it
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幻灯片 4015. The Parkers bought a few house but __ will need a lot of work before they can move in.
A. they B. it C. one D. which
16. ____ no need for us to discuss the problem again since it has already been settled.
A. It has B. There has
C. It is D. There is
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幻灯片 4117. Was it in 1969 __ the American astronaut succeeded ___ landing on the moon.
A. when; on B. that; on
C. when; in D. that; in
18. Was ___ that I saw last night at the concert?
A. it you B. not you
C. you D. that yourself
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幻灯片 4219. ____ was in 1979 ___ I graduated from the university.
A. That; that B. It; that
C. That; when D. It; when
20. What a pity my new computer doesn’t work! ____ must be something wrong with it.
A. It B. There C. This D. That
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幻灯片 4321. I like ____ in the autumn when the weather is clear and bright.
A. this B. that C. it D. one
22. Someone is knocking at the door, but who can ___ be?
A. one B. he C. she D. it
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幻灯片 4423. A knock on the door made him look up. But ___ was only the manager.
A. this B. that C. she D. it
24. Someone is ringing the doorbell. Go and see ____.
A. who is he B. who he is
C. who is it D. who it is
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幻灯片 4525. Is ___ necessary to complete the design before National Day?
A. this B. that C. it D. he
26. Does ___ matter if he can’t finish the job on time?
A. this B. that C. he D. it
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幻灯片 4627. It worried her a bit ___ her hair was turning grey.
A. while B. that C. if D. for
28. They have made __ a rule __ in the room.
A. this; not to smoke B. it; smoking
C. it; to not smoke D. it; not to smoke
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