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教学难点?
1.How?to?train?students’?listening?and speaking? ability.?
2.?How?to?train?students’?communicative?competence.??
教学过程:Step1.??talk?about?pollution?and?environmental?protection.?
The?four?pictures?show?different?forms?of?environmental?pollution.?
What?other?things?cause?pollution??
Ask?Ss?to?complete?the?activity?as?a?class,?then?work?in?pairs?to?think?of?more?words?to?add?to?the?lists?for?each?column.?
Step2.?To?help?Ss?recognize?the?target?language?in?natural?speech. ?Everyone ?needs?to?play?a?part:?In?the?conversation, ?they?are?talking?about?the?river?in?their? town ?being?polluted?by?litter?and?industrial?waste.? One?of?them?wants?to?write?to?the? government?about?the?problem.?
Step3.?To?give?Ss?guided?practice?in?using?the?target?language?to?talk?about?pollution?and?environmental?protection.?Review?of?used?to?and?should.?
Step4.??To?give?Ss?practice?in?learning?for?specific?information.?
In?the?conversation,?Susan?identifies?“too?much?rubbish?and?waste”?as?a?serious?environmental?problem.??
Step5.?To?give?Ss?further?practice?in?listening?for?specific?information.?Vocabulary?
Focus?on?some?words?used?to?talk?about?the?things?that?are?thrown?away.?
Step 6.?To?give?Ss?practice?in?using?the?target?language?in?conversations.?
Providing?an?example?2d.?To?give?Ss?further?practice?in?using?the?target?language?in?conversations.?
Extending?the?activity??
板书设计?
Unit?13??we’re?trying?to?save?the?earth!?
??1.The?river?used?to?be?so?clean.?(Used?to?)
2.?Everyone?should?help?to?____ _____the?river.?(Modal?verb)
3.?People?are?littering?in_____?places.?
4.To?cut?down?air?pollution,?we?should?……
5. Our?actions?can?make?a?difference?and?lead?____?a?better?future.