九年级英语Unit13We’retryingtosavetheearth第3课时SectionAGrammarFocus_4b学案.docx

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1、We'retryingtosavetheearth!第三课时　SectionA(GrammarFocus－4c)【学习目标】1．学习并掌握新词汇：reusable，afford，transportation2．学习并会用以下常用表达：trytodosth.，usedtodosth.，is/aredoing，beconsidered，takepartin，playapartindoingsth.，helpwith，helpout，turnoff，insteadof，payfor，addup，affordtodosth.，no

2、t…anylonger，takeaction，It'sdifficultforsb.todosth.【学习重点】掌握背诵GrammarFocus中的句子。【学习难点】正确使用本课语法要点。Recently，theproblemofenvironmentalpollutionisgettingmoreandmoreserious.Theairpollution，noisepollutionandwaterpollutionarefoundonthenewspapereverywhere.Itisobviousthatwesh

3、oulddosomethingtoprotectourearth.Thentheteachercanleadintothenewlessonbyaskingandansweringquestions.Task1ReviewthewordsonP100，readthewordsbyphoneticsymbols.ThendrawnewwordsinlineandmarkChinesemeaning.【学法指导】◆afford承担得起，买得起通常与can，could，beableto连用。affordtodosth.负担得起做

4、某事can'taffordtodosth.不能负担做某事如：Wecan'taffordtowaitanylongertotakeaction.我们再也等不起了，要采取行动。情景导入　生成问题Teacher：Haveyouevertakenpartinanenvironmentproject?Howshouldyoudotosavetheenvironment?Students：Wecan_____________________________________________________________________

5、___.①turnoffthelightswhen________________________________________________________________________.②usethepaperbags________________________________________________________________________.③walktoschool________________________________________________________________

6、________.自学互研　生成能力Task1　Let'sreadthenewwordsandphrases.1．Icanread.(我会读)预习下列单词和短语，争取自己能正确拼读。拼读成功后再在课文中把单词和短语标记出来。takepartin，reusable，afford，transportation，payfor，takeaction2．Icanwrite.(我会写)翻译下列短语：(1)参加take__part__in　　　　(2)负担不起做某事can't__afford__to__do__sth.(3)采取行动ta

7、ke__action(4)关掉turn______off__(5)付费pay__for(6)累加add__up(7)使用公共交通use__public__transportationTask2　Let'ssumupaboutthePassivevoice，Presentperfect，PresentprogressiveandModalverbs.1．Icantranslate.(我会译)完成下列句子。(1)我们正在尽力拯救地球。Weare__tryingtosavetheearth.(2)这条河里过去这样干净。Theri

8、verused__to__besoclean.(3)空气被严重受到污染。Theairis__badly__polluted．(4)没有科学的研究显示鲨鱼鳍对健康有益。Noscientificstudieshave__shownthatsharkfinsaregood__forhealth.(5)我们应当