英语人教版九年级全册unit 13 section A (3a-3b).ppt

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1、Unit13We'retryingtosavetheearth!SectionA3a-3b1.helptocleanuptheriver.2.takethebusorsubway.3.rideabikeinsteadofdriving.4.bringownbagstogoshoppinginsteadofplasticbags.5.throwrubbishinthebins.solutionsSomeanimalsareendangered.HelpsavetheearthWemustthinkofbetterwaytoprotectnotonl

2、yenvironmentbutalsoanimalsSectionA3a-3bSavethesharks！thefoodchainatthetopofSharksareatthetopofthefoodchain.在……顶部（食物链）finWhatdoyouknowaboutsharks?Thesharkswerecaught.Heiscuttingoffthefins.Shark’sfins（鱼鳍）Thefinswillbesoldtothemarketsortherestaurants.sharkfinsoup鱼翅汤Fasting-readi

3、ng·Sharksareendangerednow.·Takeactionstosavesharks.·Talkaboutsharkfinsoup.·Para.1·Para.2·para.3Matchthewordswiththerightmeanings.1.hearof2.famousandexpensive3.insouthernChina4.awholesharks5.abowlofsharkfinsoup在中国南方一整条鲨鱼一碗鱼翅汤著名且昂贵听说Readparagraph1andwriteTandF.1.Shark’sfin（鱼鳍）s

4、oupisfamousandexpensiveallaroundtheworld.()2.Wehavetokillawholesharktogetabowlofshark’sfinsoup.()FTCareful-readingMatchthewordswiththerightmeanings.1.cutoff2.throw…backinto3.notonly…butalso4.atthetopof5.bringdangerto6.thenumberof7.inthelast20to30years在过去的20至30年里在…顶端给…带来危险…的数量

5、把…扔进割掉，砍掉不但…而且1.Sharksareatthetopofthefoodchain.()2.Sharkscanneverbeendangeredbecausetheyarestrongest.()3.Around70millionsharksarecaughtandtradedeveryyear.()Careful-readingReadparagraph2andwriteTandFTFTWhenpeoplecatchsharks,theycutofftheirfinsand_________thembackintotheocean.

6、Thismethodisnotonlycruel,butalso________totheenvironment.________afin,asharkcannolongerswimandslowlydies,Sharksareatthe_______ofthefoodchainintheocean’secosystems.Iftheirnumberdropstoolow,itwillbring________toalloceanlife.Manybelievethatsharkscanneverbe________becausetheyaret

7、hestrongestinthefoodchain.Butinfact,around70millionsharksare_______andtradedinthisindustryeveryyear.Thenumbersofsomekindsofsharkshave_________byover90percentinthelast20to30years.fallthrowharmwithoutdangeroustopcatchendangerthrowharmfulWithouttopdangerendangeredcaughtfallenRea

8、dparagraph3.1.Whatarethetwoenvironmentalgroupsagainst“finning”?2.How