•选修选修6unit36unit3•learningaboutlanguage•Word-consolidation-I(2m)•AnswerkeyforExercise1:1.quit,tough2.accustomedto3.ashamed(ofher)4.desperate5.(The)alcoholic(effects)6.strengthen(yourmuscles)7.pregnant8.disappointed9.decideon•Discoveringusefulwordsandexpressions•Page20AnswerkeyforExercise2:•Word-consolidation-II(2m)•cigarettes,•alcohol,•effects,•adolescents,•tough,•stress,•dueto,•addictedto,•mental,•quit,•unfit,•withdrawalTheuseof“it”Unit3Grammar人称代词ite.g.Thefrogisnotawarm-bloodanimal.It’sacold-bloodedone.（物）e.g.It’sasadthing.Justforgetit.（事情）e.g.--who’sthat?--It’sme.Openthedoor,please.()代替前文提到的人/物/事情,在句中做主语或宾语.人当it用于指人时，主要指身份性别不明的人.若指性别身份明确的人，则应根据情况使用he或she。I.用作人称代词非人称代词itIt用作非人称代词，常作主语，表示时间/天气/金钱/距离等。1.It’salongtimesincewemetlasttime.（）2.It’sawarmsunnyafternoon.（）3.Itissuchabigmoney.()4.It’sfiveminutes’walk.（）..II．It用作非人称代词:weathertimemoneydistanceD1.Someoneisringingthedoorbell.Goandsee__A.whoisheB.whoheisC.whoisitD.Whoitis2.TheParkersboughtanewhousebut____willneedalotofworkbeforetheycanmovein.A.theyB.itC.oneD.whichBPracticePractice3.----Ilostmyfavoritepen.----whydon’tyoubuy______?A.itB.thatC.oneD.thisC4.Ilikethishousewithagardeninfront,butIdon’thaveenoughmoneytobuy_______.A.oneB.itC.thisD.that解析：本题考查替代词it和one的区别。it指特定的同一个事物=the+名词；one替代同类的任一个人或物=“a+名词”。that替代不可数名词，常用于比较句。BDoyouknow?Doyouknow?形式主语ittodo结构：Itis/was+a./n./~eddoingclause----It’snotagoodhabittosmoke.----Itisnouse/goodarguingwithhim.----Itisapitythatyoudidn’tfollowmyadvice.III.作形式主语,It用作形式主语，代替真正的主语不定式，动名词，或从句，放在句首。Itisdifficultformetodothejob.1)It+is/was+adj.+Itisverycleverofyoutofinishit.这个adj.是描述某人的品质，性格。Ofsbkind，nice,clever,polite,foolishetc.forsbtodosth.ofsbtodosth.difficult，easy，important,dangerous，possible，impossible.etcforsbOfsborforsbItisdangerous_____childrentoplaywithfire.forItiskind______themanstopintime.of运动是个好习惯(habit)Itisagoodhabittotakeexercise喝酒是不好的行为。（manner）Itisbadmannerstodrinkalcohol.2)Itis/was+n+todo/that…你天天运动真是个好习惯事实上你昨天又喝酒了Itisagoodhabitthatyoutakeexerciseeveryday.Itwasafactthatyoudrankalcoholyesterday.Itisnouse________overthespiltmilk.Whathasdonecan’tbeundone.A.cryingB.tocryItisnousedoingsth√2)It+is(no)good/usedoingsth=itisofnogood/usedoingsth干…是没用的Itisnofundoingsth=itisofnofundoingsth干…是没趣味的3It+is/was+adj./n/done+clause.1,_____________(不可能)thatyoucansucceedwithouteffort.(it)2.Itisstillaquestion________________(他是否会来)forheisill.(come)3.________________(据报道)bigSisgoingtogetmarriedtoWangXiaofeiinAprilnextyear.(report)ItisimpossiblewhetherhewillcomeItisreportedthat形式宾语it作代替由不定式、动名词或从句表语的真正宾语。结构：动词＋it＋宾语补足语＋真正宾语作代替由不定式、动名词或从句表语的真正宾语。结构：动词＋it＋宾语补足语＋真正宾语e.g.Youmustfinditexcitingworkinghere.e.g.Ithinkitapitythatyoudidn’ttryharder.IV.形式宾语tododoingthat…makeitclear/knownthat…非常清楚地表示…makeitpossibleforsbtodo/that…makeitaruletodo/that…使某事成为惯例think/consider/findfeel/believeit+a./n.1.我发现学英语非常有趣。IfounditveryinterestingtostudyEnglish.2.他非常清楚...
