九年級英語新目標(biāo)unit9sectionAperiod2

人類的每一次改革都是社會前進(jìn)的步伐，每一次思想的升華都越來越接近文明。發(fā)明使人類由黑暗走向光明。正因為如此，社會離不開發(fā)明。讓我們一起走向發(fā)明的前源吧。Whenwasitinvented?發(fā)明使人類由黑暗走向光明。Thepassivevoice.被動語態(tài)被動語態(tài)的用法:

不知動作執(zhí)行者時,常用被動語態(tài).eg.Mybikewasstolenyesterday.ThiscarismadeinAmerican.2.不必要說出動作執(zhí)行者時,常用.eg.Romewasnotbuiltinaday.3.為了突出強(qiáng)調(diào)動作的承受者時,常用被動語態(tài).eg.Thousandsofbeachesarepolluted(污染).用所給動詞的正確形式填空：

1)Thebike__________(fix)upbyXiaoMingyesterday.2)Sunglasses__________(use)forprotectingpeople’seyes.3)Apicture_________(put)upontheblackboard.4)French___________(speak)inFrance.5)Teenagersshould_________(allow)tochoosetheirownclothes.wasfixedareusedisputisspokenbeallowedThepassivevoice.被動語態(tài)主動語態(tài)變被動語態(tài)的結(jié)構(gòu)圖:Bellinventedthetelephonein1876.ThetelephonewasinventedbyBellin1876.主語謂語動詞過去時賓語時間狀語主語謂語動詞的過去分詞賓語時間狀語alarmclocklightbulbmicrowaveoven3ainventionsairconditionerfeelcoolinsummerfeelwarminwinteralarmclocktellingthetime

A:Whatdoyouthinkisthemosthelpful/annoyinginvention?B:Ithinkthemosthelpfulinventionisthe---A:Whyisthat?B:Well,ithelpsus---savetimeandconvinientlearnmoreabouttheworldtalkfromfarawayeaticecream

Imaginethatyouarealoneonatinyisland.Choosefivethingsyouwouldliketohaveontheislandwithyou.Tellthegroupwhatyouchoseandwhy.4GROUPWORKA:I’dliketohavearadiobecauseIcouldlistentomusicallday.B:Yes,butthat