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1、It的用法与强调句Trytofindthebestanswertothefollowings:Ilike_____intheautumnwhentheweatherisclearandbright.(2004全国卷I）()A.thisB.thatC.itD.one--Doyoulike____here?--Oh,yes.Theair,theweather,thewayoflife.Everythingissonice.(2004全国卷II)()A.thisB.theseC.thatD.itCD在高考单项填空的选项中，it是出现频率较高的词汇之一。
2、下面针对it的用法进行分类解析：一、代词it1.用作人称代词代替上文提到过的人或事物，（有时不特指某件事物，而代表前面已提到的或者将会发生的某件事情，或者是谈话双方都明白的情况，如前面第2题）Tom’sill.Haveyouheardaboutit?IthappenedduringtheLongMarch.Ican’tstanditanylonger!Ifit’sconvenientIcanseeyoutomorrow.2.用作指示代词，（起着this或that的作用）指一个人或一件事情。--whatisthis?--It’satelephone
3、.--who’sonthetelephone?--It’sLily.3.指时间、距离、价值、天气和自然现象等。Itiscoldtoday,isn’tit?Itisaboutanhour’sridetothepark.4.it代替“人”。it常指代无法或没有必要分性别的人；有时指发出某个动作的人或心里所指的人。Thebabycriedbecauseitwashungry.婴儿哭了是因为饿了。Someoneisringingthedoorbell.Goandseewhoitis.有人在按门铃，去看看是谁。二、引导词itit常作形式主语，把真正的主语置
4、于句后，真正的主语通常为不定式、动名词、主语从句。Itiseasytobuyanewradio.Itisnousetellinghimthat.Itisstrangethatnobodyknowsher.提示：it作形式主语，that从句作真正主语，常见的句型有：Itbe+形容词（obvious,natural,surpri-sing,good,wonderful,funny,possible,likely,certain,probable,etc.)+that从句b.Itbe+名词词组（nowonder,anhonor,agoodthing,a
5、pity,nosurprise,etc.)+that从句c.Itbe+过去分词（said,reported,thought,expected,decided,announced,arranged,etc.)+that从句TheforeignMinistersaid,“____ourhopethatthetwosideswillworktowardspeace.”(2004，北京卷）（）ThisisB.ThereisC.ThatisD.ItisHaveatry!D注意it对关系代词的干扰____isknowntoeverybody,themoont
6、ravelsRoundtheearthonceeverymonth.(NMET2001)()A.ItB.AsC.ThatD.What试比较：Itisknowntoeverybodythatthemoon…CarolsaidtheworkwouldbedonebyOcto-ber,____personallyIdoubtverymuch.(NMET,1999)()A.itB.thatC.whenD.whichBD2.It作形式宾语，真正宾语放在宾语补足语后面，真正宾语通常为不定式，动名词，宾语从句。Hefeltithisdutytohelpothe
7、rs.Theythoughtitnogooddoingthat.Ihate_____whenpeopletalkwiththeirmouthsfull.(NMET1998)()A.itB.thatC.theseD.themAIt对代词的干扰：Weneededanewcupboardforthekitchen.SoPetermade____fromsomewood.(2004,全国卷III）（）A.itB.oneC.himselfD.anotherBMeetingmyuncleafteralltheseyearswasanunforgettable
8、moment,_____Iwillalwaystreasure.(NMET2002)()A.thatB.oneC.itD.whatB--
