【文章內(nèi)容簡(jiǎn)介】 13. It worried her a bit _____her hair was turning gray. A. while B. if C. that D. for 14. ???_____more countries can use natural energy in the future remains to be seen. A. Whether B. This C. who D. If will go to work in a mountain village surprises all of us. A. What B. That C. Whether D. If 16. ____you don’t like him is none of my business. A. What B. That C. Who D. How the inventions have in mon is ____they have succeeded. A. What。 what B. That。 that C. what。 that D. That 。 what 18. ____appeared to me that he enjoyed the food very much. A. What B. It C. All that D. That 19. It is widely ______that smoking can cause cancer. A. believed B. think C. say D. hoped 20. ____caused the accident is still a plete mystery. A. What B. That C. How D. Where Keys: 1—5 ABABC 6—10 AABAC 11—15 BBCAB 16—20 BCBAA 第二章 “ It”用法及其句型和固定搭配講解 It 用法及其句型和固定搭配，是高中英語(yǔ)語(yǔ)法的重點(diǎn)、難點(diǎn)，又是近幾年高考的熱點(diǎn)，因此應(yīng)給予充分的重視，現(xiàn)將 it 用法歸納如下： 一、 It 用作實(shí)詞 表達(dá)以下概念 :指代前文提到的事物，前文中的 this, that；替代前文中的內(nèi)容；指代一位性別不明的小孩或未知的人；指代未指明但談話雙方都知道的那件事；指代時(shí)間、天氣、氣候、距離等自然現(xiàn)象?? 二、 It 用作形式主語(yǔ) 替代作主語(yǔ)的從句、動(dòng)詞不定式、動(dòng)名詞，而把真正作主語(yǔ)的從句、動(dòng) 詞不定式、動(dòng)名詞置于句尾。 It 作形式主語(yǔ)的常見(jiàn)句型： 1. 代作主語(yǔ)的動(dòng)詞不定式，其句型為 (1) It be adj. (for sb.) to do sth. 此處 adj. 通常為描述事件的形容詞： easy, difficult, hard, necessary, unnecessary, possible, impossible, likely, unlikely, right, wrong, important, unimportant, legal, illegal, wellmannered, illmannered, polite, impolite, clear, obvious, certain, suitable, proper, fit, useful, useless, dangerous… 例 It is illegal (for a teenager) to drive a car without a license. (2) It be adj. of sb. to do sth. 此處 adj. 通常為描述人的形容詞： kind, unkind, nice, rude, cruel, considerate, thoughtful, thoughtless, careful, careless, silly, foolish, stupid, clever, wise, crazy. 例 It39。s kind of you to help me with the problem. (3) It 替代作主語(yǔ)的動(dòng)名詞的常見(jiàn)句型 It39。s no good/use doing… It39。s (well)worth doing… It39。s (well)worth one39。s while doing/to do… It39。s (well)worth while doing/ to do 例 It39。s no use crying over spilt milk. 2. It 替代作主語(yǔ)的從句常見(jiàn)句型 (1) It is + noun +從句 例 It is no secret that the president wants to have a second term at office. (2) It is adj. +clause It39。s surprising that? (should)???竟然?? It39。s a pity/shame that? (should)???竟然?? 例 It39。s important that you should apologize to her for your rudeness.(=It39。s of much importance that you should apologize to her for your rudeness.) (3) It verb sb. + clause= It is ving + clause It+surprise/delight/interest/disappoint/worry/disturb/annoy/amaze /bother/concern/frighten/please/anger sb. that… 例 It worried me that she drove so fast.(= It was worrying that she drove so fast.) (4) It verb (to sb.) that…= sb/sth verb to do (verb = appear, seem, e about, emerge, follow, chance, happen, occur, transpire, turn out , work out) 例 It (so) happened/chanced that they were out.(= They happened/chanced to be out.) (5) It is ved that…=sb/sth is to do (verb=say, report, think, believe, hope, expect, agree, accept, decide, determine, intend, plan, understand, know） 例 It is said that the couple have gotten divorced.(=The couple are said to have gotten divorced.) (6) It is ved that … (should)… (verb=demand, request, require, order, suggest, advise, remend 例 It is suggested that they should begin with the third question. 三、 It 作主語(yǔ)的句型 1. It takes sb. ? to do? (=sb takes? to do? )某人用多長(zhǎng)時(shí)間做某事 例 It took the men a week to mend our roof.(= The men took a week to mend our roof.) 2. It39。s (just)(un)like sb. to do?（ 不）像某人做某事的風(fēng)格 例 It was (just) like him to think of helping us. 3. It39。s (about/high) time that? should /ved?是該做某事的時(shí)候了 例 It39。s(about/high) time that we should take action. 4. It39。s the xth time (that) ? have ved?第幾次做某事了 例 It39。s the third time that he has failed the driving test. 5. It is/has been? since ? continuous ved(延續(xù)性動(dòng)詞 ) 某動(dòng)作已有多長(zhǎng)時(shí)間不發(fā)生了 例 It39。s 10 years that he lived here 6. It was(not)? before?過(guò) (不 )了多長(zhǎng)時(shí)間某動(dòng)作發(fā)生了 例 It was not long before they arrived. 四、 It 作形式賓語(yǔ) 用來(lái)替代作賓語(yǔ)的從句、動(dòng)詞不定式、動(dòng)名詞，而把真正作賓語(yǔ)的從句、動(dòng)詞不定式、動(dòng)名詞置于句尾。 It 作形式賓語(yǔ)的常見(jiàn)句型： 1. verb+ it+ adj./noun (for/of) to do/clause (verb=think, believe, suppose, consider, feel, make, keep…) 例 I think it hard for you to do the task on your own./I think it hard that you39。ll do the task on your own. 2. verb+it+adj./noun (one39。s) doing (adj.=useless/worth/worthwhile)(noun=no use/no good/worth one39。s while/a waste of time/money/energy/words) (verb=think, believe, suppose, consider, feel, make, keep…) 例 I39。ll make it worth your while telling me about his secret. 3. verb+it+ important/unimportant/necessary/unnecessary/natural/essential that … (should)… verb+it+of much/great/no/little importance that…(should)… (verb=think, believe, suppose, consider, feel, make, keep…) 例 I think it important that you (should) attendthe conference. 4. verb + it+ as+ noun/adj.+ clause (verb=accept, regard, take, see, view) 例 The lecturer takes it as encouraging when so many students attend his lecture. 5. v. +it + prep. + that… owe it to sb. that?把?歸功于? leave it to sb that?把?留給某人去做 take it for granted that ?想當(dāng)然 keep it in mind that… 例 Don39。t bother