高中英语 Unit 4 Global warming Period 3 Grammar—the Use of “It”(2) 优秀教案（人教版选修6）

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1、Period3　Grammar—theUseof“It”(2)教学内容分析　　　Thisteachingperiodmainlydealswiththegrammar：theuseof“it”．“It”hasmanyusagesintheEnglishlanguage.“It”canbeusedasapronounandtheformofsubjectandobject，andbeusedtoexpressemphasis.FromUnit3weknowthat“it”canbeusedasapronounandtheformofsubjectandobject.Inthisunitw

2、ewilllearnthat“it”canbeusedtoexpressemphasis.Thiskindofsentenceiscalledemphasizedsentences.Itsmainformis“Itis/was...that/who...”，whichisaveryusefulsentencepattern.三维目标设计　　　Knowledgeandskills1．Togetthestudentstoknowthestructureoftheemphasizedsentences.2．Toletthestudentslearntheusagesoftheemphasiz

3、edsentences.3．Toenablethestudentstousetheemphasizedsentencescorrectlyandproperly.Processandmethods1．Toaskthestudentstoreadthereadingpassageagain，pickouttheemphasizedsentencesfromthereadingpassageandtranslatethemintoChinese.2．Toaskthestudentstodiscoverthestructureandusagesoftheemphasizedsentences

4、bycomparingalotofexamplesentences.3．ToaskthestudentstodotheexercisesinDiscoveringusefulstructuresonPage29tomastertheemphasizedsentences.4．Toaskthestudentstosummarizetheusagesoftheemphasizedsentences.5．ToaskthestudentstodotheexercisesinUsingStructuresonPage64andsomeotheradditionalexercisesforcons

5、olidation.Emotion，attitudeandvalue1．Togetthestudentstobecomeinterestedingrammarlearning.2．Todevelopthestudents'abilityofcomparingandsummarizing.教学重、难点　　　1．Togetthestudentstomasterthestructureandusagesoftheemphasizedsentences.2．Toenablethestudentstolearnhowtousetheemphasizedsentences.Step1　Revis

6、ion1．Checkthehomeworkexercises.2．Dictatesomenewwordsandexpressions.Step2　WarmingupAskthestudentstocomparethetwosentencesbelow.Thesecondsentenceisfromthereadingpassage.TranslatethemintoChineseandthendiscussanydifferenceinmeaningandform.Askthestudentstoexplainwhy“it”isusedinthesecondsentence.Huma

7、nactivityhascausedthisglobalwarming.[来源:学_科_网]It_ishumanactivity_thathascausedthisglobalwarming.Tellthestudentstherearetwomoresentencesinthetextinwhich“it”isusedforemphasis.Findthemandthenwritethemdown.______________________