英语人教版九年级全册Unit13 SectionA (3a-4c).ppt

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1、Unit13We’retryingtosavetheearth.SectionA3a-4c学习目标Keywords&phrases:method，cruel，harmful，industry，law，afford，takepartin，turnoff，payforKeysentences:1.We'retryingtosavetheearth.2.Theriverusedtobesoclean.3.Theairisbadlypolluted.新课导入Therearesomeanimalsareendangere

2、d.Weshoulddosomethingtoprotecttheanimalsandtheenvironment!Savetheearth!Savetheanimals!Thezoosprovidehomesformanyendangeredanimals.1.Haveyoueverseenashark（鲨鱼）?2.Whatdoyouknowaboutsharks?Discusswithyourpartner:课文展现WheresharkfinsoupispopularNumberofsharkscaught

3、andtradedeveryyearHowgovernmentcanhelpTwoenvironmentalgroupsagainst“finning”southernChina70milliondeveloplawstostopthesaleofsharkfinsWildAidandtheWWF3aReadthepassageaboutsharksandcompletethefactsheetbelow.3bReadthepassageagainandfillintheblankswiththewordsin

4、thebox.soalthoughifbutwhenManypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean’secosystemwillbeindanger.whenso3.Manythinkthatsharksaretoostrongtobeendangered,_____

5、theyarewrong.4._________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday___wedonotdosomethingtostopthesaleofsharkfins.butAlthoughifadj.科学上的，科学的Retellthepassageaccordingtothewordsbelow.sharkf

6、insoupinsouthernChinaeachtimecutoffnolongernotonly…butalso…atthetopdropbeendangeredthestrongestaround70millionfallenbyover90percentWildAidandtheWWFdeveloplawsscientificstudiesLanguagepoints1.Asharkcannolongerswimandslowlydies.鲨鱼不能再游泳然后慢慢死掉。nolonger意思是“不再”e.g

7、.I’mnolongerastudent.我不再是个学生了。有两个短语和nolonger同义，即not…anylonger和not…anymore，但他们侧重的方面不同。nolonger和not…anylonger侧重时间。e.g.Henolongerliveshere.=Hedoesn’tlivehereanylonger.他不在这儿居住了。(一个时间以前他住在这儿，过了这个时间，他就离开了。)not…anymore侧重程度和数量e.g.Youcandrinknomore.=Youcan’tdrinkanym

8、ore.你不能再喝了。(喝酒的量到了一定程度，不能再继续下去了。)2.Thismethodisnotonlycruel,butalsoharmfultotheenvironment.这种方法不但残忍而且对环境有害。notonly…butalso…用于连接两个表示并列关系的成分，着重强调后者，其意为“不仅……而且……”;其中的also有时可以省略。e.g.Shenotonlyplaysw