Unit 13 We’re trying to save the earth! 教学案例.docVIP

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Unit 13 We’re trying to save the earth! 教学案例.doc

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Unit 13 We’re trying to save the earth! 教学案例 ?industry,?law,?scientific,?afford,?reusable,?transportation,?recycle,?napkin,?upside,?gate,?bottle,?president,?inspiration,?iron,?work,?metal,?creativity,?基本词组：be?harmful?to,?at?the?top(of?sth.),?take?part?in,?turn?off,?take?action,?throw?away,?put?sth.?to?good?use,?pull…?down,?bring?back基本句型：We’re?trying?to?save?the?earth!??????????The?river?used?to?be?so?clean.??????????The?air?is?badly?polluted.??????????No?scientific?studies?have?showed?that?shark?fins?are?good?for?health.??????????We?should?help?save?the?sharks.?2.?技能目标:?能正确运用现在进行时，现在完成时，被动语态，情态动词和used?to?句型。3.?情感目标:?有环境危机意识，学会关注环境保护环境。二、教学重难点：?1.?教学重点：（1）能正确运用现在进行时，现在完成时，被动语态，情态动词和used?to?句型。????????????（2）保护环境的措施方法。2.?教学难点：能正确运用现在进行时，现在完成时，被动语态，情态动词和used?to?句型。三、教学步骤:Section?A?1?(1a-2d)I.?PresentationShow?the?picture?of?the?earth?and?tell?students?the?earth?is?polluted?now.?For?example:?(1)?The?factories?that?burn?coal?pollute?the?air?with?a?lot?of?black?smoke.(2)?Factories?put?waste?into?the?river.(3)?People?should?throw?away?litter?in?the?bin.?(4)There?are?more?cars?on?the?road. II.?LearningHere?are?some?words?related?to?different?kinds?of?pollution.?Write?them?in?the?box?below.?Then?add?more?words.loud?music????cars??????rubbish?????planes??littering???ships????factories????smoking????building?houses?????????mobile?phonesnoise?pollution????air?pollution????water?pollution?____________????___________???_________________________????___________???_________________________????___________???_________________________????___________???_____________Keys?:?noise?pollution???loud?music????planes???mobile?phones???building?housesair?pollution????factories???????smoking??????cars???building?houseswater?pollution???ships???rubbish????littering???factoriesIII.?Listening1.?1b?Listen?and?complete?the?sentences.What?was?the?problem? The?river?was?_____________.?Even?the?bottom?(底部)?of?the?river?was?full?of?________.?There?were?no?more?______?for