it的用法,数词.doc

it的用法1代词it的用法用 法例 句代替前问提过的东西或事情，用作人称代词This is a new dictionary. I bought it yesterday代替指示代词，起着this或that的作用Whats that? -Its a video指明某人或某物的身份，还可以指不明性别的婴儿-Whos there? -Its me (Its John)-Go and see who it is that rings. -Its Bill指时间、距离、自然现象（天气、气候、明暗），量度，价值等Its Sunday todayHow far is it to the Great Wall.Its getting dark-How much is the coat? -Its ninety dollars2it的常见用法用 法例 句形式主语代替不定式短语It is up to you to decideIt makes me happy to hear you have recovered代替动名词短语Its no good smokingIts worthwhile working the whole night on the problem代替主语从句It doesnt matter what you doIt seemed that everyone has known the news形式宾语代替不定式短语I consider it better to be earlyWe found it impossible to get there before July代替动名词短语We thought it no use doing that代替宾语从句The teacher makes it clear that everyone should hand in his homework on timeI like it that everyone passed the examThey hated it when students wear strange clothes 3的特殊用法 特殊句型例句用于强调结构“It is+被强调部分+that”“It is not until +被强调部分+that.”It was they that (who) cleaned the classroom yesterday.It was in the street that I met her brother.It was not until she took off her dark glasses that I realized she was a famous film star. (Not until she took off her dark glasses did I realize she was a famous film star)“It takes sb. to do sth” It took me two hours t finish the book“It is time that”It is time that children should go to bed (=It is time that children went to bed)“It is the first (second)time that I have been here”(=This is the first time I have been )here.It is the first time (that) I have been hereIt was the first time that I had been thereIt will be the first time that I have been here“It is(has been) +时间段+ sincedid”“It is+具体时间点+when.”It is (has been) five years since his father came here.It was five oclock when he came here.“It looks (seems) as if”“It all depends”“It is ones turn to do sth”“It is up to you”“It makes no difference”“It doesnt matter”It looks as if it were going to rain-Shall we have a picnic tomorrow? -It all dependsIt is your turn to recite the text-What shall we do after school? -It is up to you1. Is _ possible to fly to the moon in a spaceship? (88)A. this B. man C. that D. it2. Was it during the Second World War_ he died? (88)A. that B. while C. in which D. then3. Is _ necessary to complete the design before National Day? (89)A. this B. that C. it D. he4. I dont think _ possible to master a foreign language without much memory work. (90)A. this B. that C. its D. it5. Does _ matter if he cant finish the job on time? (91)A. this B. that C. he D. it6. It was not_ she took off her dark glasses_ I realized she was a famous film star.(92)A. when; that B. until; that C. until; when D. when; then7. Toms mother kept telling him that he should work harder, but _ didnt help. (93)A. he B. which C. she D. it8. It was not until 1920_ regular radio broadcasts began. (95)A. while B. which C. that D. since9. _ is a fact that English is being accepted as an international language. (95)A. There B. This C. That D. It10. It was about 600 years ago_ the first clock with a face and an hour hand was made. (97)A. that B. until C. before D. when11. I hate _ when people talk with their mouths full. (98)A. it B. that C. these D. them12. It was only when I reread his poem recently_ I began to appreciate their beauty. (98)A. until B. that C. then D. do13. The purpose of new technologies is to make life easier, _it more difficult. (99)A. not make B. not to make C. not making D. do not make14. -Why dont we take a little break?-Didnt we just have _? (2000)A. it B. that C. one D. this15. It is the ability to do the job _ matters not where you come from or what you are. (2000)A. one B. that C. what D. it16. In fact _is a hard job for the police to keep order in an important football match. (01)A. this B. that C. there D. it17. I like _ in the autumn when the weather is clear and bright.(04)A. this B. that C. it D. one数词的特殊用法类 型说 明举 例年月日下面情况介词用in1、在某年，某月 2、在某世纪3、在某上午、下午、晚上下面情况用介词on1、在周几2、在某日上午、下午或晚上 in 2000,in November, in the 20th century in the morning /afternoon/evening on Sunday; on the morning of Nov.20 on the night of May; On May 1st 时刻介词的应用1、30分钟以内用 2、超过30分钟用6:25 twenty-five past six6:35 twenty-five to seven分数1、 分子用基数，分母用序数2. 分子大于一；分母加s1/3 one-third 2/3 two-thirds1/2写为 a half 1/4写为a quarter小数小数点读point0.08 zero point eight1.89 one point eight nine百分数符号%读作percent28% twenty-eight percent倍数1倍once 2倍 twice 2倍以上timesThe road is three times as long as that oneThe room is twice the size of that one不精确数1. 多over, above, more than2. 不到below, under, less than3. 大约about, around, something like, more or less, 4. 从到from to5. 半half a/an a halfHe is above fortyHe is under fortyHe is around fortyfrom 30 to 50half a day; a half daytwo days and a half, two and a half days1. Two _ died of cold last winter. (88)A. hundreds old people B. hundred old peopleC. hundreds old peoples D. hundred old peoples2. _ cave that George has discovered in his lifetime is near the Alps.A. The hundredth B. The hundred C. Hundredth D. A hundredth3. Mr Smith_ me to buy several _ eggs for the dinner party.A. asked; dozen B. suggested; dozens of C. had; dozen D. persuaded; dozens4. _ of the land in that district_ covered with trees and grass.A. Two fifthis B. Two fifthare C. Two fifthsis D. Two fifthsare5. Every few_ along the Great Wall there are some watch towers.A. hundreds meters B. hundreds of meters C. hundred meters D. hundred of meters6. There were about _ people there.A. two thousand of B. two thousands of C. two thousands D. two thousand7. _ cave that Tom has discovered in his lifetime is near the Alps.A. A hundred B. The hundred C. The hundredth D. Hundredth8. When he moved to Germany in _, he was already in _.A. the fifties; his sixty B. fifties; his sixties C. the fifties; his sixties D. fifty; sixty9. He has been here for