福建省泉州市唯思教育八年级英语上册Unit4topic2教学案仁爱版SectionA1.Whendidscientistinventthefirstrobot?invent(动词)发明；inventor（名词）发明家；invention(名词)发明如：Edisonwasagreatinventor.Heinventedmanyinventions.2.Butbeforethat,somethinglikearobotappeared.appear出现；disappear消失Thegirldisappearedintheforest.3.Robotscantaketheplaceofhumanstodohardorboringworkinsomesituations.(1)taketheplaceof…=takeone’splace代替…(动词短语，可放主语后做谓语)如：Hetooktheplaceofmetoanswerthequestion.(2)insteadof代替（介词短语，不能作谓语，应放在谓语动词后）如：Heanswerthequestioninsteadofme.4.Areyousure?(1)besureof/aboutsth.确信…Heissureofhissuccess.(2)besuretodosth.一定会做某事：Itissuretorain.(3)besure+that从句I’msurethathewillcome.5.repair和mend都有“修理，修补”的含义，但mend一般用于修理小东西、简单东西，如门窗、鞋袜、道路等。而repair用于修理复杂、精密的东西，如：机器，手表，车辆等。SectionB1.AUFOflewovermyheadwhileIwaswalkingtowardthebusstopyesterday.(1)flyover飞跃，over表“在物体的正上方”，如：Thereisabridgeovertheriver.(2)walktoward(s)朝…方向走去(3)while①当…时侯②与此同时；表此两种意思时，可与when退换，常与经行时态搭配使用：HeiswatchingTVwhile/whenIamdoingmyhomework.While还可表“然而”，如：HelikesBeijingwhileIlikeChongqing.2.Therearenolivingthingsonotherplanets.livingthings生物3.Willrobotsmakehumanslosetheirjobs.loseone’sjob失业；findajob找工作；getajob得到一份工作4.Peopleoftenmistakesomeman-madeobjectsforUFOs.(1)mistakeAforB错把A当做B：HeoftenmistakesmeforJim.(2)makeamistake/makesomemistakes犯错Hemadeamistakeinanexam.(3)bymistake错误地HecalledmeJimbymistake5.Whilehewastryingtocallforhelp….callfor①=askfor要求：Hecalledforhelp.②提倡，号召：PubliccallgreenOlympics.公众呼吁绿色奥运。6.Hewokeupandsawhismother.(1)wakeup醒来Shewokeupat9:00thismorning.(2)wakesbup弄醒某人Mymotherwakesmeupat6:00everymorning.(3)beawake醒着的Iwasawakeallnight.SectionC1.WecanusetheInternetforfindingjobs.Usesth.fordoingsth.=usesth.todosth.用某物去做某事2.Butweshouldn’tspendtoomuchtimeontheInternet.Sb.spendsometime/money(in)doingsth.某人花费时间或金钱做某事Sb.spendsometime/moneyonsth.某人花费时间或金钱在某事物上3.Thewordsindictionariesareinalphabeticalorder.inalphabeticalorder按字母顺序；in…order表“以….的顺序”如：Putthewordsintherightorder.4.lookup查找，可以说“lookupaword”或“lookupawordinadictionary”但不能说lookupadictionary5.payattentionto(doing)sth.注意（做）某事。to在此为介词。6.beginwith=startwith以…开始；endwith以…结束SectionD1.You’dbetteraskourcomputerteacherforhelp.Asksb.forsth.向某人要某物Heoftenaskshisfatherformoney.Asksb.forhelp向某人求助2.Ofcourse,butit’suseless.useless无用的，反义词useful.
