资源描述:
《2018届九年级英语全册unit13we’retryingtosavetheearth第1课时学案新版人教新目标版》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Unit13We’retryingtosavetheearth!SectionA(1a—2d)【学习目标】1.学习并掌握下列单词:litter,bottom,fisherman,coal,public,ugly,advantage,cost,wooden,plastic2.能正确使用以下常用表达:thebottomof,befullof,usedtodosth.,playapartindoingsth.,cleanitup,bebadlypolluted,toomuchrubbishandwaste,turn…into,
2、cutdown,takethebusorsubway,insteadof,remembertodosth.,makeadifference,leadto3.能熟练掌握并使用下列重点句式:1)Eventhebottomoftheriverwasfullofrubbish.2)Itusedtobesoclean!3)Everyoneinthistownshouldplayapartincleaningitup!4)Theairhasbecomereallypollutedaroundhere.I’mreallygettingwo
3、rried.5)Tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.6)Ouractionscanmakeadifferenceandleadtoabetterfuture!【重点难点】·Talkaboutpollutionandenvironmentalprotection.·Usewhatwehavelearnedtotalkaboutpollutionandenvironmentalprotection.【新知预习】I.根据句意及词首字母完成
4、单词。1.Eventheb______oftheriverwasfullofrubbish.2.Peoplearel_______intheriver.3.Othera_________ofbikeridingarethatit’sgoodforhealthanditdoesn’tcostanything!4.Inevertakew_______chopsticksorplasticforkswhenIbuytakeawayfood.5.Ouractionscanmakead_________andleadtoabetter
5、future!【课堂探究】1.usedto…(1)usedto的意思是“过去经常”,其中的to是不定式符号,不是介词,所以其后接动词原形(不接动名词)。如:HeusedtoliveinParis. 他过去一直住在巴黎。(2)usedto 与 beusedto的用法比较·usedto 意为“过去经常”,其中的 to 是不定式符号,后接动词原形。如:HeusedtoliveinParis. 他过去一直住在巴黎。·beusedto 意为“习惯于”,其中的to是介词,后接动名词。如:Heisusedtolivinginthecoun
6、try. 他已习惯于住在乡下。【针对练习】用usedto和beusedto填空I________getuplate,butnowI_________gettingupearly.2.should的用法:should后接动词原形。1)表示“应该,应当”Youshouldhelpyourmotherwiththehousework.你应该帮你母亲做家务。2)表示“可能,该(=willprobably)”Heshouldarrivesoon他可能很快就到了。3)should与oughtto的比较·除表示“万一”“竟然”等只能用sh
7、ould外,表示“应该,应当”“可能”等,两者可互换,只是oughtto的语气稍重。如:Yououghtto/shouldworkharderthanthat.你应当更努力地工作。·should强调主观看法,而oughtto强调客观要求。如:Weoughttogoandseemymotherinhospitaltomorrow,butIdon’tthinkwewill.我们按理应当在明天去看看住院的母亲的,但我主认为我们不会去。【针对练习】Everyoneinthistown_______playapartincleanin
8、gitup!【达标练习】I.单项选择。()1.Myfather_______adoctor,butnowheisawriter.A.wasusedtobeB.usedtobeC.isusedtobeD.wasusedtobeing()2.Look!_______people_______?