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1、,1. There is only one English-Chinese dictionary in that book shop. I wonder if you still want to buy it (one, it). (选词填空),2. The employment rate has continued to rise in big cities thanks to the efforts of the local governments to increase _ . 2011北京高考 A. them B. those C. it D. that,【解析】选C。考查代词it的用
2、法。 句意为：由于当地政府努力提高就业率，大城市的就业率已持续升高。it表示同类同物，替代前面的特指的单数名词或不可数名词。that表示同类不同物，替代特指的单数名词或不可数名词。本题表示同类同物，需用it替代前面提到的the employment rate。故答案为C。,3. Someone is ringing the doorbell. Go and see _ . A. who is he B. who he is C. who is it D. who it is 【解析】选D。考查代词。当提到的那个人在我们心中不清楚是男或是女时, 可用it指代（例如这里的someone）。,4.
3、What is that / this? 那（这）是什么？ It is a map of China . 那（这）是一幅中国地图。,5. I like this house with a beautiful garden in front, but I dont have enough money to buy _ . 2009四川高考 A. one B. it C. this D. that 【解析】选B。考查代词用法。由于前文明确说明是this house，表明是特指了，故选B。考生如果不认真分析，就会以为是泛指而误选A。,1. it 可以代指除人以外的一切具体事物或动物。 2. it用来
4、代指上文提到的抽象情况。 3. it有时用作人称代词代指不明性别的婴儿和“性别和身份未知的人”。 4. it常用来代替指示代词this或that。,1. They live on a busy main road. _ must be very noisy. A. There B. It C. That D. They 【解析】选B。it在这里用于指环境。,2. As it reported, it is 100 years _ Qinghua University was founded. 2011四川高考 A. when B. before C. after D. since 【解析】选D
5、。考查时间状语从句。句意为: 据报道，清华大学建校100年了。 Its +时间段+since 从句意为“自从以来有多长时间了”。故选D。,3. It is almost five years _ we saw each other last time. A. before B. since C. after D. when 【解析】选B。“It is+一段时间+since-clause”表示从事情发生到现在多长时间了。句意：自从我们上次见面以来，已经近五年了。,4. It was some time _ we realized the truth of the explosion of Mos
6、cow airport. A. when B. until C. since D. before 【解析】选D。before表示“在之前。”这句话的意思是“过了一段时间之后我们才认识到莫斯科机场爆炸事故的真相。”,5. Did Jack come back early last night? Yes. It was not yet eight oclock _ he arrived home. A. before B. when C. that D. since 【解析】选B。考查连词。句意：他到家时还不到八点。这是Its +时间点 when. . . 句型，所以此题选B。,6. Do you
7、 know our town at all? No, it is the first time I _ here. A. was B. have been C. came D. am coming 【解析】选B。It is the first (second, third, . . . ) time that从句，that从句中使用现在完成时，It was the first (second, third, . . . ) time that从句，that从句中使用过去完成时。,7. 到了你该睡觉的时间了。 It is time (that) you went/should go to bed
8、 .,it作非人称代词，主要代指天气、日期、时间、温度、距离、环境等。下列句式是很常见的，也是容易混淆的。 1. It + is (has been)/was (had been)+时间段 + since. . . 表示“自从以来已多久了”, 从句谓语动词是非延续性动词。若动词为延续性动词, 从句中所表示的时间是从这动词动作或状态结束时间算起，可以从否定方面或原意的反面去理解。,2. It + is/was/will be +时间段 + before. . . ，意为“过才”，如果主句中的谓语动词用否定式，意为“没过就”。 3. It + is/was/will be +时间点+ when.
9、. . ，when引导时间状语从句。这个句型表示“当的时候时间是”。 4. It + is/was + the first (second, . . . ) time that. . . （谓语动词常用完成时has/have或had）, 意为：这是某人第一（二）次做。 5. It is (high) time that. . . / (for sb. )to do表示“（某人）做某事或的时间到了。”,1. The doctor thought _ would be good for you to have a holiday. 2010全国卷高考 A. this B. that C. one
10、D. it,【解析】选D。考查it作形式主语。此处it would be good for you to have a holiday是宾语从句作thought的宾语。it在这个宾语从句中作形式主语，真正的主语是后面的不定式。其他三个选项都不能作形式主语或宾语。句意：医生认为去度假对你是有益的。,2. _ is our belief that improvements in health care will lead to a stronger, more prosperous economy. A. As B. That C. This D. It 【解析】选D。此句为主语从句，it为形式主
11、语，其后的that从句为真正的主语。,3. _ felt funny watching myself on TV. A. One B. This C. It D. That 【解析】选C。考查代词it的用法。it为形式主语, 真正的主语为动名词短语watching myself on TV。,4. It is often _ that human beings are naturally equipped to speak. 2009全国卷高考 A. said B. to say C. saying D. being said 【解析】选A。考查it作形式主语的重要句型：It is +v. -
12、ed +that从句。v. -ed常为said, reported, considered, believed等，意思为“据说/报道/认为/相信”。根据句意“据说人类天生具备说话能力”可知，选A。,5. No one seems to know what has happened in the park. （句型转换） It seems that no one knows what has happened in the park.,当主语是由不定式，动名词或从句来充当时，为了平衡句子结构，常用it作形式主语。 1. Its no use (no good, useless, senseles
13、s, etc. ) +动名词 2. Its a pity (a shame, an honour, a wonder, our duty, a fact, a good idea, etc. )+ to do sth. 或that +主语从句 3. It is important (necessary, strange, natural, possible, impossible, etc. )+ (for sb. ) to do sth. 或that +主语从句,4. It is kind (nice, foolish, clever, etc. ) + of sb. to do sth.
14、5. It is said (hoped, thought, reported, believed, etc. )+that+主语从句 6. It seems/appears/happens that. . .,1. We feel _ our duty to make our country a better place. 2011天津高考 A. it B. this C. that D. one,【解析】选A。考查代词的用法。句意为：我们感到使我们的国家变得更好是我们的责任。句中it为形式宾语，真正的宾语为to make our country a better place。在语法中it可
15、代替作主语或宾语的句子、动名词和动词不定式，作形式主语或形式宾语，把真正的主语或宾语往后放。故选A。,2. The fact that she was foreign made _ difficult for her to get a job in that country.2010辽宁高考 A so B. much C. that D. it 【解析】选D。考查it的用法。句意：她是外国人的事实使得她在那个国家很难找到工作。句中for her to get a job in that country是动词不定式的复合结构作made的宾语, difficult是宾语补足语, 此处要用it作形式宾语, 其他词没有这种用法。,
