因式分解与分式化简求值

GrammarUnit4–Unit6Revision语法分析：Unit4:*between…and…&from…to…*before,after&until*while&as*ComparativesandsuperlativesUnit5:*Pastperfecttense*should,oughtto,hadbetter,haveto&must*whynot,whydon’tyou&perhapsUnit6:*bring/take,hear/listen,look/see/watch,come/go*Reportedspeechwithtensechanges1.副词的比较级、最高级的构成与用法1)构成:fast–faster/-est(loud,hard,late…)early–earlierslowly–more/mostslowly(clearly,carefully,terribly)well–better(badly,little,much,far…)2)用法:Icanrunasfastashe.Iwalkmoreslowlythanhe.Istudy(the)mostcarefullyofall.※HespeaksEnglish____anAmerican,soweallbelievethathehasstayedinAmericaformanyyears.A.asgoodasB.worsethanC.asbadlyasD.aswellas※Hedidn’thurtintheaccident.Buthissisterwasnotsoluckyashim.Shewashurtmuch.A.bad,morebadlyB.badly,worstC.badly,worseD.worse,badly※※※Ofallthestudents,hepreparedhislessons,sohegotthefewestpointsintheexam.A.themostcarefulB.themostcarefullyC.TC.themostcarelessD.themostcarelessly※Istudymorecarefullyofthetwo.Hecanwalkmuchmorequicklythanme.Itrainedmoreandmoreheavily.ThemoreIseeher,thelessIlikeher.Task1用括号中所给单词的适当形式填空1.SimonjumpsthanKitty,buthedoesn’tjumpinhisclass.(high)2.I’mnotgoodatsinging.Ising____________(bad)inourclass.3.Whogetsup____________(early),SamorJack?4.YoustudyEnglishas(hard)asyourbrother,butyoudon’tspeakEnglishso(much)ashe.5.Imadesomanymistakesintheexam,Ididit(care),andnexttimeIwilldoit(care)thanthistime.higherthehighesttheworstearlierhardmuchcarelesslymorecarefullyTask2改错1.Herunsveryfasterthananyotherboyinhisclass.2.Whojumpfar,Jim,PeterorFrank?3.WeliketheweatherherebetterthanitinBeijing.4.WeshouldspeakEnglishasmoreaswecan.muchthefarthestthatmuch2.过去完成时的意义、结构、用法及句型转换：意义:表示过去某个动作之前所发生的动作,即过去的过去结构:had+v,过去分词(had后面加构成否定句,had提至主语之前构成疑问)用所给词的适当形式填空1)She_________allhereffortintoballettrainingbeforesheenteredthefilmindustry.(put)2)She___________amodelbeforeshebecameasuperstar.(be)3)She_______anOscarforBestActresswhenshewontheTonyAwards.(win)4)_______you______anyofherfilmsbeforeyousawthisone?(see)5)She___________(act)inmanyotheractionfilmsbeforeshe_______(star)inthisfilm.6)Whenwe_________(rush)intothecinema,thefilm__________(start)yet.hadputhadbeenhadwonHadseenhadactedstarredrushedhadn’tstartedΔ过去完成时常用的时间状语1、在过去完成时中，最常用的介词短语就是by接过去的时间。如：Wehadlearnt3,0000Englishwordsbytheendoflastterm.Bynineo’clockyesterday,mydadhadn’tcomebackhomeyet.区别：1)We(be)toBeijingtwicesince2000.2)We(be)toBeijingtwiceby2000.havebeenhadbeen2、在when、before引导的时间状语从句中，如：Whenwegottothestation,thetrainhadleft.Wehadfinishedourhomeworkbeforewewenttobed.1)BeforeI(leave)homethismorning,I(get)acallformhim.2)Thefilm(begin)whenI(get)tothecinema.lefthadgothadbegungot使用正确的语态和时态填空：1、English(notteach)inthisschool.2、you(watch)lastnight?3、I’mnottired.I(sleep)fornearly10hours.4、By2003,thefamouswriter(write)morethan300poems.5、Whentheteachercameintotheclassroom,thestudents(talk)noisily.6、Thebridge(build)in1869.7、She(be)backintwodays.8、Twodayslater,we(finish)thiswork.isn’ttaughtDidwatchhaveslepthadwrittenweretalkingwasbuiltwillbefinished9、WhenIgothome,thetennismatch(finish)already.10、CanIuseyourpen?Sorry,I(leave)itathome.11、Ourteachersaidthatthemoon(travel)aroundtheearth.12、Bequiet,please!Thebabies(sleep)inthebedroom.13、-Whenyourhomework(finish)?-Tomorrow.14、We(live)inNanjingsincewewereborn.15、Hesaidthathe(noteat)breakfastyet.hadfinishedhavelefttravelsaresleepingwillbefinishedhavelivedhadn’teaten16、yourmother(take)herdogforawalkaftersupper?17、Hewasveryglad,becausehe(choose)tobethehostofthepartylastweek.18、-Howlonghe(learn)English?-Since1998.19、you(learn)morethan3,000Englishwordsbytheendoflastterm?20、Hesaidhe(be)anactorinthefuture.DoestakewaschosenhaslearnedHadlearnedwouldbe时态变化：主句是现在时，直接引语变间接引语时，时态不变；主句是过去时，直接引语变间接引语时，时态变化如下：一般现在时现在进行时现在完成时一般将来时一般过去时一般过去时过去进行时过去完成时过去将来时过去完成时时间状语变化：时态改变后，时间状语要作相应的改变。nowtodaytonightthismorning/weektomorrowyesterdaylastmonthtwodaysago直接引语间接引语直接引语thenthatdaythatnightthatmorning/weekthefollowingday/thenextdaythedaybeforethemonthbeforetwodaysbefore间接引语3.直接引语改为间接引语时的一些时间状语和时间的变化:1)“Stoptalking.”hesaidtous.2)“Ilikeapples,”sayshe.3)Shesaid,“I’mdoingmyhomeworknow.”4)“Haveyoureceivedtheletter?”MaryasksTom.5)“Ididn’tseethecatyesterday,”hesaidtome.6)“Whenwillyoucomehere,”saidKate.7)Theteachersaidtous:“Thesunrisesintheeast.”Hesaysthathelikesapples.Shesaidshewasdoingherhomeworkthen.MaryasksTomifhehasreceivedtheletter.Hetoldmethathehadn’tseenthecatthedaybefore.KateaskedwhenIwouldgothere.Theteachertoldusthatthesunrisesintheeast.Heaskedustostoptalking.将直接引语变成间接引语(注意句式、时态、时间状语、人称、动作的变化）注意:直接引语是祈使句,用ask/tellsb.todosth.引出;是陈述句,用that引出,that可省略;是一般疑问句,用if/whether引出,问句改成陈述句;是特殊问句,用原疑问词引出,问句改成陈述句如果主句动词为现在时，则间接引语中的动词、时间、时态的形式不变;直接引语是客观真理,时态不变.人称变化:直接引语中的I就是主句中的主语;直接引语中的you就是I/me/we/us,特指和谁讲话除外.动词变化:sayto–tell/ask;comehere–gothere等.1.MrWusaidhe________ustothezoothatweek.A.wouldtakeB.willtakeC.takeD.takes2.Thewitnesssaidhe_____underthetableatthattime.A.hideB.havehiddenC.washidingD.hidden3.Thepoliceaskedifanyone_______tellhimsomeinformation.A.couldB.canC.isabletoD.will4.Canyoutellme___________?A.howfarisi