选修六unit4 global warming period 2

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1、Period2　LanguageStudy教学内容分析　　　Theemphasisofthisperiodwillbeplacedontheimportantnewwords，phrasesandsentencepatternsinWarmingUp，Pre－reading，Reading，ComprehendingandDiscoveringusefulwordsandexpressionsinLearningaboutLanguage.Therearealtogether53newwordsandphrasesin

2、thesefiveparts.20ofthemaremarkedwithtriangles，whichshowsthatthestudentsneedn'tlearnthembyheart.Itisenoughtorecognizethemwhenmeetingthemwhilereadingthepassage.Theother33shouldallberemembered，amongwhichthefollowingwordsandexpressionsareevenmoreimportant：tend，range

3、，subscribeto，goup，widespread，state，glance，steady，tendency，keepon，onthewhole，quantityof，beopposedto，comeabout，resultin，evenif.Theyareallveryusefulandimportant.Soarethesentencepatterns“...itisarapidincreasewhencomparedtoothernaturalchanges.”and“Thereisnodoubtthatt

4、heearthisbecomingwarmer...”Weoughttopaymoreattentiontothem.三维目标设计　　　Knowledgeandskills1．Togetthestudentstolearntousethefollowingimportantnewwordsandphrasesfreely：tend，range，subscribeto，goup，widespread，state，glance，steady，tendency，keepon，onthewhole，quantityof，opp

5、ose，comeabout，resultin，evenif.2．Togetthestudentstounderstandandusethefollowingimportantandusefulsentencepatterns：(1)．..itisarapidincreasewhencomparedtoothernaturalchanges.(2)Thereisnodoubtthattheearthisbecomingwarmer...Processandmethods1．Tohelpthestudentstounder

6、standthemeaningsoftheaboveusefulnewwordsandexpressionsinthecontext，andthengivesomeexplanationsaboutthem，andatlastoffersomeexercisestomakestudentsmastertheirusages.2．Toaskthestudentstomakeuptheirownsentencesbyimitatingtheabovesentencepatterns.3．Attheendoftheclass

7、，makestudentsdomoreexercisesforconsolidation.Indoingso，theycanlearn，graspandusetheseimportantlanguagepointswell.Emotion，attitudeandvalue1．Tostimulatestudents'interestinlearningEnglish.2．Todevelopstudents'senseofcooperationandteamwork.教学重、难点　　　1．Importantnewwords

8、andexpressions：quantityof，oppose，comeabout，resultin，evenif.2．Importantandusefulsentencepatterns：(1)．..itisarapidincreasewhen_compared_toothernaturalchanges.(2)There_i