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1、Section A (Grammar Focus-4c),Unit 13 Were trying to save the earth!,学习目标,Key words & phrases: take part in ,afford, turn off, reusable, pay for, take action, transportation Key sentences: 1.Have you ever taken part in an environmental project? 2. We should help save the sharks.To review differen
2、t tenses and voices.,Revision,Retell the passage about sharks in 3a,Whats the sharks problem?,Why are they endangered?,Some facts and numbers about sharks at present,How to save the sharks,Reason:,Comment:,Shark fin soup:,What people do:,Result:,Sharks situation:,Environmental protection groups (Wil
3、d Aid & WWF):,scientific studies:,at the top of food chain, ecosystem, numbers drop, bring danger to.,popular, southern China,catch, cut off, throw back into .,without, can no longer swim, slowly dies,not only cruel , but also harmful to,be endangered, although, numbers, have fallen, 90%, in the last 20 to 30 years., teach about , ask.to.laws to stop,70 million,are caught, traded, industry,No, show, be good for.,