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新版深圳上海广州沈阳牛津版八年级英语下unit7TheUnknownWorld重点词汇unknown=notknown=notfamous未知的receive=getv.收到接收（letter，gift，present）反义词为give,sendacceptv.接受（advice，suggestion，invitation）反义词rejectdamagen.v.=harmv.毁坏破坏frightened=afraidadj,害怕的discover,vdiscoveryn.发现terribleadj.terriblyadv.令人不快的可怕的creaturen.creatureswonder=wanttoknow想知道refuse=saynoto=notaccept拒绝refusetodosth.拒绝做某事knifen.knives小刀刀explainv.=giveareason解释说明pleased=happy=satisfiedadj.高兴的满意的愉快的lookout=watchout=takecare=becareful小心lookup查阅,lookthrough浏览,lookfor寻找,lookafter照顾,lookat看，lookoutof...向外看hearsb.doingsth.听见某人正在做某事，强调动作正在发生。hearsb.dosth.听见某人做某事，强调动作发生的整个过程。frightened常用来修饰人；而frightening意为“令人害怕的，吓人的”，用来修饰物。learnabout了解学习learnfrom向….学习learn…byheart记住背诵thousandsof成千上万的keepquiet保持安静keep+adj(quiet,silent,fit/healthy,clean)runaway逃跑agreewithsb.同意某人的看法；agreetodosth.同意去做某事disagreewithsb.不同意某人的看法beliveinsb.信任某人believesb.相信某人（所说的话是真的）becauseof+名词、代词或动名词becauseof+n/vingbecause+从句infear恐惧地，害怕地assoonaspossible=asquicklyaspossible尽快suchas=forexample例如man-madesatellite人造卫星besureof/about...+名词、代词、动名词He’ssureofhissuccess.他确信自己会成功/besuretodosth.Besuretofinishyourhomeworkbeforesupper.晚饭前一定要完成你的功课。besurethat+从句We’resurethatheisright.我们确信他是正确的。Whatdoyouthinkof...?=Howdoyoulike...?open既可以做动词，也可以做形容词.closed是形容词。payattentionto(doingsth.)注意There’ssbdoingsth.有某人正在做某事landin在…着陆感觉动词：see/watch/hear+sb.+V-ing(正在进行)V原(全过程)被动语态：sb.+be+seen/watched/heard+V-ingto+V.e.g.,WecanseemenwearingskirtsinScotland.MencanbeseenwearingskirtsinScotland.getto+地方到达reach+地方arriveat+小地方，arrivein+大地方get/arrive+here/there/home语法；原因状语从句：由because,for,as,since引导（1）because（因为）的用法：because通常表示直接的原因。because引导的从句表示直接而明确的原因和理由，表示按因果关系的推断，语气很强，用来回答why的问题,一般位于主句之后。例：Wecouldn'tgooutbecauseitwastoocold.因为天气太冷，我们不能外出。.for（因为）的用法：for是并列连词，引出的原因较间接，似乎是事后所想到的补充解释的理由，只陈述一般推断的理由，不一定表示产生结果的必然原因，主要放在两个并列句之间。例：Itmustbemorningforthebirdsaresinging.一定是清晨了，因为鸟儿在叫。注意：下列情况下只能使用because:①在回答why的问句时；②在用于强调句型时；③被not所否定时。（2）as和since（因为）的用法:表示已经知道的原因时用as或since,即某种原因在说话人看来已经很明显，或已为听话人所熟悉。since要比as正式一些，它们通常被置于语句之前。Seeingallofthechildrenalreadyseated,hesaid,“Sinceeveryoneishere,let’sstart.”Step2:Consolidation:GetSstofinishexerciseonpage104.Step3PresentationofthedifferentusageofBecauseofandbecausebecause与becauseof的用法比较■从词性上看because是连词，其后接句子；becauseof是复合介词，其后接名词、代词、动名词、what从句等。如：Ididn’tbuyitbecauseitwastooexpensive.我没有买是因为它太贵了。Heisherebecauseofyou(that).他为你(那事)而来这里。Helosthisjobbecauseofhisage.由于年龄关系他失去了工作。Wesaidnothingaboutit,becauseofhiswife’sbeingthere.因为他妻子在那儿，我们对此只字未提。Heknewshewascryingbecauseofwhathehadsaid.他知道她哭是因为他说的话。注意：becauseof之后可接what从句，但不能接that从句或没有引导词的句子。如：他因病未来。误：Hedidn’tcomebecauseofhewasill.误：Hedidn’tcomebecauseofthathewasill.正：Hedidn’tcomebecausehewasill.正：Hedidn’tcomebecauseofhisillness.比较以下同义句：他离开了这家公司，是因为老板在会上讲的话。正：Heleftthecompanybecauseofwhatthebosssaidatthemeeting.正：Heleftthecompanybecauseofthethingthatthebosssaidatthemeeting.我不能因为有个家就停止斗争。正：Ican’tstopfightingbecauseIhaveafamily.正：Ican’tstopfightingbecauseofhavingafamily.■从用法上看because所引导的从句除用作原因状语外，还可用作表语。如：Itisbecausehelovesyou.那是因为他爱你。而复合介词becauseof所引导的介词短语通常用作状语而不用作表语。如：他因雨缺席。误：Hisabsencewasbecauseoftherain.正：Hisabsencewasduetotherain.正：Hewasabsentbecauseoftherain.但是有时若主语是代词(不是名词)，也可以用becauseof引出的短语作表语。如：Itisjustbecauseofmoney.那只是因为钱的原因。Thatwasbecauseofhissickness.那是因为他生病的原因。语法专练1.IfIfindhisphonenumber,I_______you.A.tellB.toldC.willtellD.havetold2.IwillcallyouassoonasI______thetickettothefootballmatch.A.willgetB.getC.gotD.amgetting3.Don’tdiscusstheproblemswithyourpartnerunlessyou_______anymore.A.askB.areaskedC.willaskD.willbeasked4.________hewasveryill,hestillwentonworking..A.BecauseB.ForC.ThoughD./5.I'llphoneyouassoonasI_______.A.gettohomeB.gottohomeC.gethomeD.gothome6.________itisgettingdark,______thefarmersarestillworkinginthefield.A.Though,butB.But,thoughC.Though,/D.But,/7.________oflastmonthwehadseenfiveEnglishfilms.A.BytheEndB.AttheendofC.IntheendD.Totheend8.Lucyknewnothingaboutit________hersistertoldher.A.becauseB.untilC.ifD.since9.他很累，以至于上课时他在桌子上睡着了。Hewas___________________hefellasleepatthedeskinclass.10.如果明天下雨，我们就去骑车兜风。We’llgocycling,______________________________tomorrow.11.他跑得那么慢，以她赶不上我们Heran_______________he________________upwithus.12.直到他的班主任打电话告诉他，他才知道他在竞赛中获得第一。He______knowthathehadwonthefirstprize_______histeachertoldhimonthephone.unit7TheUnknownWorld同步单元练习一，同义近义词选择1.Thepolicefoundthathedidn’ttellthetruth.A.rememberedB.discoveredC.producedD.made2.Iwonderwhenitwillsnow.A.wanttoknowB.thinkC.speakD.say3.Icalledyoulastnightbutnobodyanswered.A.someoneB.anyoneC.nooneD.one4.Tinawantstoplaybaseball,butLilydisagrees.A.agreesB.doesn’tagreeC.wantsD.doesn’twant5.Timwasfrightenedofsnake.A.daredB.afraidC.interestedD.like二，单项选择6.----Ilikeplaying______basketball.Whataboutyou?----Ilikeplaying______guitar.A.an;anB.an;theC./;theD.a;/7.----Ihaven’t_______mypenpal’sletterfortwoweeks.----Maybeheistoobusyrecently.A.acceptedB.receviedC.writtenD.collected8.----ThankstoProjectHope,______childrenhavebetterlives.----That’sgreat.A.thousandsofB.thousandsC.thousandD.thousandof9.----Everythinginth