高三英语 专题复习 unit 3 science versus nature(第3课时)教案 牛津译林版必修5

高三英语 专题复习 unit 3 science versus nature(第3课时)教案 牛津译林版必修5

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时间:2018-12-15

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1、Unit3Scienceversusnature课题Unit3Scienceversusnature课型复习课教学目标培养阅读技巧,限时训练重点限时训练2,4,6难点限时训练教法讲授法、讨论法、探究法教学过程教学内容个案调整教师主导活动学生主体活动ThirdperiodReadingstrategies:UnderstandingscientifictermsWhenreadingarticlesaboutscience,weoftencomeacrossdifficultscientificterms.Wehavetow

2、orkouttheirmeaninginordertounderstandthetextasawhole.Beginbyreadingthefirstandlastparagraphsforanideaofwhatthearticleisabout.Then,scanthebodyofthearticle.Circleanywordsyoudonotknow.Questionthingsyoudonotunderstandorthatdonotappeartomakesense.Finally,readthroughthe

3、articleafewtimes.Youwilloftenbeamazedtodiscoverthatwhatconfusedyouatfirstmakessenseuponfurtherreadings.2011年江西卷D篇Whyshouldmankindexplorespace?Whyshouldmoney,timeandeffortbespentexploringandresearchingsomethingwithsofewapparentbenefits?Whyshouldresourcesbespentonsp

4、aceratherthanonconditionsandpeopleonEarth?Thesearequestionsthat,understandably,areveryoftenasked.Perhapsthebestanswerliesinourgeneticmakeup(基因构成)ashumanbeings.Whatdroveourancestorstomovefromthetreesintotheplains,andonintoallpossibleareasandenvironments?Thewiderthe

5、spreadofaspecies,thebetteritschanceofsurvival.Perhapsthebestreasonforexploringspaceisthisgenetictendencytoexpandwhereverpossible.Nearlyeverysuccessfulcivilizationhasexplored,becausebydoingso,anydangersinsurroundingareascanbeidentifiedandpreparedfor.Withoutknowledg

6、e,wemaybecompletelydestroyedbythedanger.Withknowledge,wecanlessenitseffects.Explorationalsoallowsmineralsandotherpotential(潜在的)resourcestobefound.Evenifwehavenoimmediateneedofthem,theywillperhapsbeusefullater.Resourcesmaybemorethanphysicalpossessions.Knowledgeorte

7、chniqueshavebeenacquiredthroughexploration.Thetechniquesmayhavemedicalapplicationswhichcanimprovethelengthorqualityofourlives.Wehavealreadybenefitedfromotherspin-offsincludingimprovementsinearthquakeprediction,insatellitesforweatherforecastingandincommunicationssy

8、stems.Evennon-stickpansandmirroredsunglassesareby-products(副产品)oftechnologicaldevelopmentsinthespace,thechancetosaveourselvesmightnotexist.Whilemanyreso

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