高考常考的IT的六大考点It常考的六大考点•考查it做代词•考查it做形式主语•考查it做形式宾语•考查it的强调句型•考查it的几个常用句型•考查it的固定用法考查it做代词一、代替整个句子二、表示不确定指代三、考查在性别不明时指人或小孩四、指上文或者下文出现的物或事五、指天气、时间、距离等六、考查和one,ones,that和those的区别(2005,全国Ⅲ)ThedoctoradvisedVesastronglythatsheshouldtakeaholiday,but__didn’thelp.A.itB.sheC.whichD.he正确答案:A。根据句意:医生的建议未起作用。it代替整个句子。一、代替整个句子二、表示不确定指代(2004,全国Ⅲ)-Doyoulike__here?-Oh,yes.Theair,theweather,thewayoflife.Everythingisnice.A.thisB.theseC.thatD.It正确答案:D。根据下文,提问者不能确定被问者喜欢什么,it用于不确定指代或模糊指代。三、考查在性别不明时指人或小孩(2000,上海)Someoneisringingthedoorbell.Goandsee__.A.whoisheB.whoheisC.whoisitD.whoitis正确答案:D。说话时,不知道对方的性别。注意在宾语从句中需用陈述语序。Thechildsmiledwhenitsawitsmother.小孩见到母亲就笑了。四、指代上文或者下文出现的物或事(2007,全国Ⅰ)–Haveyouheardthelatestnews?–No,what__?A.isitB.isthereC.aretheyD.arethose正确答案:A。it指代上文提及的latestnews。(2006,全国Ⅰ)IfIcanhelp__,Idon’tlikeworkinglateintothenight.A.soB.thatC.itD.them正确答案:C。help是“阻止、避免”的意思,it指代下文的事情。五、指天气、时间、距离等1.(2002,北京)-Hewasnearlydrownedonce.-Whenwas_?-__wasin1998whenhewasinMiddleSchool.A.that,ItB.this,ThisC.this,ItD.that,This正确答案:A。it指时间。2.Itwasfineyesterday.昨天天气好。(it指天气)3.It’sonehundredmetersfrommyhometotheschool.我家离学校一百米。(it指距离)六、考查和one,ones,that,those的区别It特指上文提及的名词,而one,ones,that,those只可以指代前面名词的名称,不可以指代前面的名词。使用one和ones时后面没有介词短语做后置定语;使用that和those后面通常有介词短语做定语。that可与theone互换,those可以与theones互换。例如:(2005,浙江)We’vebeenlookingatthehousesbuthaven’tfound__welikeyet.A.oneB.onesC.itD.them正确答案:A。表示任意一幢房子。(2005,江苏)I’mmovingtothecountrysidebecausetheairthereismuchfresherthan__inthecity.A.onesB.oneC.thatD.those正确答案:C。分析语境和逻辑关系可以知道:该空指代theair,且有inthecity后置定语修饰。考查it做形式主语主要用于以下结构:一、It+be+adj./n./done+clause二、It+be+adj.of/forsbtodosth三、It’snouse/gooddoingsth一、It+be+adj./n./done+that…在此结构中,若done为required,suggested,demanded,recommended等时,从句必须用should+动词原形,should可以省略。高考真题(2004,北京)TheForeignMinistersaid,“__ourhopethatthetwosideswillworktowardspeace.A、ThisisB、ThereisC、ThatisD、Itis正确答案:D。由句意易知:that从句是真正的主语,it为形式主语。(2005,上海)____intheregulationsthatyoushouldnottellotherpeoplethepasswordofyoure-mailaccount.A.WhatisrequiredB.WhatrequiresC.ItisrequiredD.Itrequires正确答案:C。it为形式主语,在此结构中done为required/suggested/demanded/recommended等时,从句必须用should+动词原形,且should可以省略。二、It+be+adj.of/forsbtodosth此句型重点是考查何时用of何时用for。如果句型中的形容词是用来描述sb的特征(如kind/rude/cruel/polite/right/wrong/foolish/silly/stupid/wise等),则用of,此时句式可以换成sb+be+adj.+todosth;若句型中形容词是用来描述不定式性质的(如important/necessary/hard/difficult/easy/natural/common等),则用for。例:高考真题1、(2004,上海春)Itwasfoolishofhimto__hisnotesduringthatimportanttest,andasaresult,hegotpunished.A.sticktoB.refertoC.keeptoD.pointto正确答案:B。短语辨析题,referto有“参考...