高中英语 unit4,book6 global warming教案 新人教版选修6

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1、Unit4Globalwarmingbyliujinzeng★Warmingup1.Pleaselistasmanyenergysourcesasyoucan.___________________________________________________________________________2.whichenergysourcesonyourlistarerenewableandwhicharenon-renewable?_______________________________________

2、________________________________________阅读小贴士一我们可以利用构词法来猜测词义。re（重新；再）→new→able→renewable（可再生的）再如，reconstruct___________;regroup__________;rethink_________;reuse_________★Pre-readingActivitiesTalkaboutthepictureatthebottomofthepage251.Whatcanyouseeinthepicture?_

3、_____________________________________________2.Howdoesitwork?_____________________________________________________________3.Whatdoyouknowabout“greenhousegases”?_______________________________________________________________________________★While-readingActiviti

4、esFirstreadingGlancequicklyatthemagazineandanswerthequestions.1.What’sthemaintopicofthearticle?_______________________________________________2.Whowrotethemagazinearticle?Whatisthenameofthearticle?________________________3.Whatarethenamesofthethreescientistsmen

5、tionedinthearticle?_______________________阅读小贴士二PleasereadLEARNINGTIPatpage32.4.Whatarethetwographsabout?Whataretheyfor?_______________________________________________________________________________SecondreadingReadthetextquicklytogetthemainideaofeachparagraph

6、.1.________________________________________________________________2.________________________________________________________________3.________________________________________________________________4.____________________________________________________________

7、____5.________________________________________________________________6.________________________________________________________________7.________________________________________________________________阅读小贴士三TopicSentence（主题句）Eachparagraphhasamainidea.Sometimes

8、themainideaofaparagraphisdirectlywrittendown.Wecallthatsentencetopicsentence.Thetopicsentencecanappearatthebeginning,middleorendofaparagraph.Mostoften,though,itappearsattheb