英语人教版九年级全册Unit13 SectionA3a-3b第二学时.doc

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1、Unit13We’retryingtosavetheearth!SectionA2(3a-3c)I.RevisionCheckifyouknowthesephrases.①不同种类的污染②河底③把垃圾扔到河里④在…中起作用⑤在中国南部⑥对……有害⑦在……顶部⑧海洋生态系统II.WarmingupT:Howcanwedotohelpsavetheearth?Turnoffthelightswhenyouleavearoom;Stopridingincars;Stoppingusingpapertowelsornapkins;Recyclebooksandpaper.Tur

2、nofftheshowerwhileyouarewashingyourhair.Youcanhelpreducepollutionbyputtingthatsodacaninadifferentbin.Don’tusepapernapkins.III.Reading1.Completethefactsheetin3a.Wheresharkfinsoupispopular NumberofsharkscaughtandtradedeveryyearHowmuchthenumbersofsomekindsofsharkshavefalleninthelast20to30ye

3、arsTwoenvironmentalgroupswhichareagainst“finning”2.Retellthepassage.shark’sfinsoup,insouthernChinaeachtimecutoffnolongernotonly…butalso…atthetopdropbeendangeredthestrongestaround70millionfallenbyover90percentWildAidandtheWWFdeveloplawsscientificstudiesIV.Practice(Workon3b)Readthepassagea

4、ndfillintheblankswiththewordsinthebox.1)Manypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2)Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean’secosystemwillbeindanger.3)Manythinkthatsharksaretoostrongtobeendangered,_____theyarewrong.4)_______

5、__therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5)Sharksmaydisappearoneday___wedonotdosomethingtostopthesaleofsharkfins.V.HomeworkFinishtheexercisesintheworkbook.