帮助学生掌握本单元教学目的和要求中的词汇

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1、Unit3InventorsandinventionsPeriodtwoTeachingaim;帮助学生掌握本单元教学目的和要求中的词汇，短语的用法。Step1:Checkupwhatwelearnedyesterday.Step2:Languagepoints:1,distinguishvtvi1）辨别，辨认eg:Icandistinguishthematadistance.从远处我能认出他们。2）区别，区分（常与From，between连用）eg:Canyoudistinguishbetweenthosetwoobjects?你能区分那两个物体吗？3）使别于，有…的特点（常与Form

2、连用）eg;Speechdistinguishesmenfromanimals.语言把人和动物区分开来。【归纳拓展】bedistinguishedas辨明为，称之为bedistinguishedfor以…为特征distinguishoneself使自己与众不同【翻译句子】Itiscertainlyimportantto______________________________________明辨是非当然要紧。Elephants______________________________theirlongtrunks.象因为有长鼻子而有别于其他的动物。2，convenientadjPle

3、asecomewheneveritisconvenienttoyou.方便的时候请随时来。Isthiso’clockconvenientforyou?三点钟你方便吗？Sth’beconvenienttosb对某人方便Itbeconvenientforsbtodosth对某人来说做某事方便。Ifconvenient如果方便的话Ournewhouseisvery______formeasIcangettotheofficeinfiveminutes.AadaptableBcomfortableCconvenientDavailable3，provevt证明，证实eg:Hehasprovedh

4、iscourageinbattles.他已在战斗中证明了自己的勇气。Factsprovethatthecreativepowerofpeopleknowsnolimits.事实证明人类的创造力是无穷的。vi原本是；证明是eg;Themethod/drugproved(tobe)highlyeffective.这种方法/药被证明是非常有效的Myadviceprovedtobewrong.我的意见证明是错的。4.callup给…打电话；征兵；使想起；回忆IcallyouupthiseveningThemusiccallsupoldtimes.音乐让人回想起往日时光。Hewascalledup

5、in1980.【知识拓展】callon拜访某人，号召callfor要求，需要，去接某人calloff取消callat拜访某处callin邀请召来5.nowandthen时而不时，偶尔Nowandthen/again,weheardshotsinthewoods.nowandthen=fromtimetotime=sometimes6.setabout着手，开始（setaboutdoingsth.）Theyoungworkerssetabouttheirworkwithgreatenthusiasm.Theysetaboutmakingpreparationsforspringsowing

6、.【知识拓展】setdown放下，记下，登记setoff出发setup建立setback阻碍某物发展，把（钟表）往回拨setaside/out把…放于一边，留出(be)setin以…为背景setouttodosth.着手做某事7.incase免得以防；假使；如果，引导条件状语从句Itmayrain,—you’dbettertakearaincoatincaseitrains.可能要下雨，你最好带上雨衣以防下雨Incaseoffire,call119.【知识拓展】incaseof万一inthis/thatcade在这种/那种情况下inanycase无论如何inallcase在任何情况下/在

7、所有情况下innocase决不insb’scase(=inthecaseofsb.)就某人的情况来看8.bearv.忍耐，忍受；承受，承担；怀有，持有Ican’tbeartoseeyoulikethis.Hecouldn’tbearlivingalone.【知识拓展】beartheweightof承担…的重量bearinmindthat…心里记住【练习演绎】1.Ican’tbear_________.(让…长时间等)2.Icould