It的用法与精练

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  【高考题例】
  1. (2011年北京卷)The employment rate has continued to rise in big cities thanks to the efforts of the local governments to increase__________ .
  
  A.thenB.those
  C.itD.that
  分析:C。本题考查代词。此处it代指上文提到的the employment rate,是实指。
  2. (2011年江西卷)Why don’t you bring __________ to his attention that you’re too ill to work on?
  A.thatB.it
  C.hisD.him
  分析:B。本题考查代词。此处it是形式宾语,指代后面的That从句。
  3. (2011年山东卷)The two girls are so alike that stranger find__________difficult to tell one from the other.
  A.itB.them
  C.herD.that
  分析:A。本题考查代词。此处it是形式宾语,指代后面的不定式短语。
  【考点解析】
  
  
  
  一、 代词it的基本用法
  1. 指环境情况(天气,时间,距离,度量衡等)
  1) It’s nine o’clock now. 现在九点整了。
  2) It was very noisy at the moment. 当时很吵闹。
  3) It’s twenty minutes’ walk from my home to school. 从我家到学校要步行二十分钟。
  2. 代替前面(或后面)的单数名词或分词或分句等所表示的事物
  1) Although we can not see it, there is air all around us. (it 指代后文的air). 虽然我们看不见,空气就在我们周围。 
  2) You may borrow any book in the library and you can keep it for seven days. (it 指代前文的book). 你可以到图书馆借任何书,而且你可以保存七天。
  3) They said they had finished the work, but I can’t believe it. (it指代前一分句)。他们说已经完成了工作,但是我无法相信。
  3. 作形式主语或宾语
  为使句子平衡,非谓语动词或从句作主语或宾语时,通常用it作形式主语或宾语,而将真正的主语或宾语置于句末。
  1) It is not easy to finish the work in two days. 两天内完成这项工作是不容易的。
  2) It isn’t a shame that they lost the game? 他们比赛失败难道不丢人吗?
  3)They found it difficult to finish the task before dark. 他们发现黄昏前完成任务是很困难的。 
  4. 代替有生命但不能或不必分阴阳性的东西(包括婴儿)
  When a baby is crying, it may be hungry. (it指代baby). 婴儿哭的时候,她可能饿了。
  5. 在某些习惯说法中it 可指代人(但必须说话者双方都知道是somebody)
  —Someone is knocking at the door? 有人在敲门吗?
  —Really? Who is it? 真的?是谁呢?
  —It must be Dr. Johnson. 准是约翰逊医生。
  6. 作强调词,构成强调结构。It 用以帮助改变句子结构,使句子的某一成分受到强调。形成“It is(was )+所强调的成分(主语,宾语,状语)+that(或who, whom)+其它成分”。在这个句型中,it 本身没有词意。
  1 ) It is Professor Li that teaches us English.(强调主语)是李教授教我们的英语。
  2) It is Professor Li that/who I saw in the street.(强调宾语) 我在街上看到的是李教授。
  3) It was in the street that I saw the Professor Li. (强调地点状语) 我是在街上看到李教授的。
  7. 用在一些固定句型或搭配中,it没有实在意义,但不可省略
  1) Does it mater if he can’t attend our party? 他不能参加我们的聚会要紧吗?
  2) I don’t like it that you came late this morning. 你今天早上来迟了,我不喜欢。
  二、 在学习代词it 的用法时要搞好它和one,that两个代词的区别:
  英语中,这三个词常用来代替上文已经出现过的内容。 
  1. one作为替代词,可以指代上文提到的人或物。前面常有冠词, 指示代词或形容词修饰。它的复数形式为ones。如:
  My recorder doesn’t work. I want to buy a new one. 我的收录机坏了,我想要买一只新的。
  This dictionary is more expensive than that one. 这一本词典比那一本要贵得多。
  This umbrella is much better than the ones they have bought. 这把雨伞要比他们买的那些好得多。
  注意:one只能指代可数名词,如下面的一道易错选择题:
  This bread is better than__________ .
  A.this oneB.that one
  C.big oneD.that
  分析:该题中bread为不可数名词, 所以不能用one 来替代,从而正确答案只能是D。
  2. it代替上文中提到的某种确定的名词,或代替上文中的this或that。 如:
  What’s this? It’s a pen. 这是什么? 这是一支钢笔。
  I have lost my watch. I’m looking for it. 我的手表丢了,我正在找它。
  注意区别: I have lost my watch since last month. I want to buy a new one. 从上个月我的手表就丢了,我要买一只新的。
  
  
  
  
  由后面的两个句子,我们可以看出, it 指代特指的对象, one指代泛指的对象。
  3. that 指代上文提到的内容, 通常与后置定语连用,复数形式为those。 如:
  The weather in Nanjing is hotter than that in Beijing. 南京的天气比北京的热。
  The apples are bigger that those from Hebei Province. 这些苹果要比河北省来的那些大。
  Few pleasures can equal__________of a cool drink on a hot day.
  A.someB.any
  C.thatD.those
  分析:C。这里that指代上文提到的pleasure。题干意思为:很少有乐趣能等同于热天吃冷饮的乐趣。
  
  ●巩
  ●固
  ●练
  ●习
  1. The chairman thought__________necessary to invite President Obama to speak in our university
  
  A.thatB.it
  C.thisD.him
  2. I’d appreciate__________if you would like to take my son to watch the opening ceremony of Guangzhou 2010 Asian Games. 
  A.thatB.it
  C.thisD.you
  3. I was disappointed with the concert last night. I had expected__________to be much better.
  A.thatB.this
  C.oneD.it
  4.__________is difficult to finish such a heavy task in so short a time. Take your time. 
  A.ThisB.That
  C.WeD.It
  5. It was the news__________China won 199 gold medal in 16th Asian Games__________made all of us very happy. 
  A.that; thatB./; which
  C.that; whichD.which; that
  6. It was midnight__________the team reached the center of the lonely island. 
  A.thatB.until
  C.sinceD.before
  7. —Who is making so much noise in the room next door?
  —__________the children. 
  A.It isB.They are
  C.That isD.There are
  8.__________is reported in Yangtze Evening Paper that talks between the two big companies are making progress. 
  A.ItB.As
  C.ThatD.What
  9. The young man has been working for two days.__________he is tired out. 
  A.There is no pointB.There is no need
  C.It is no wonderD.It is no way
  10. In fact__________is a hard job for us to keep them informed of the changing situation all the time. 
  A.thisB.that
  C.thereD.it
  11. The expert in the large hospital thought__________would be good for you to have more rest be relaxed.
  A.thisB.that
  C.oneD.it
  12. —Where did you get to know this young lady?
  —It was in the company__________we worked. 
  A.thatB.which
  C.whereD.there
  13. —Who is outside of the door?
  —I don’t know. I just pretended nobody was at home, so I didn’t ask who__________was.
  A.heB.that
  C.sheD.it
  14. —Nowadays,__________is a strong competition in China for senior high students to enter an ideal university. 
  —I can’t agree more. 
  A.whichB.that
  C.whatD.it
  15. I kept telling my son that he should work harder, but__________didn’t help.
  A.heB.which
  C.whatD.it
  16. Does__________matter if the profesor from Nanjing University can’t attend the conference tomorrow afternoon?
  A.thisB.that
  C.heD.it
  17. I don’t think__________possible for your brother to pass the driving test without much practice. 
  A.thisB.that
  C.itsD.it
  18. Nowadays, more and more young people make__________a rule to buy daily goods online. 
  A.whichB.what
  C.itD.that
  19. Will you see to__________that the problem he put forward is being dealt with?
  A.whichB.it
  C.thisD.that
  20.__________ is easy to physics, but__________is difficult to learn__________well. 
  A.It, it, thisB.It, this, it
  C.It, it, itD.It, which, which
  21. The Parkers bought a new house but__________will need a lot of work before they can move in.
  A.theyB.it
  C.oneD.which
  22. In fact__________is a hard job for the police to keep order in an important football match.
  A.thisB.that
  C.thereD.it
  23. It is the ability to do the job__________matters not where you come from or what you are. 
  A.oneB.that
  C.whatD.it
  
  参考答案
  1-5 BBDD
  6-10 DAACD
  11-15 DCDDD
  16-20 DDCBC
  21-23 BDB
  
  (作者:王芳,东台市时堰中学)
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