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1、读写任务之说明文概括阅读下面短文，然后以约30个词概括该文的主要内容。Eyecareisanimportantfactorinallofourlives.Withouteyes,weseemtobeabletodonothing.But,whatcanwedototakecareofeyes?Firstly,weshouldeathealthyfoods.Secondly,don’tsitbeforeacomputerscreenorTVfortoolongtimeandtakeregularrestatintervals（间隔）sothatrelaxtheeyemuscles.T
2、hirdly,havingenoughsleepisthebestrestforeyes.Besidesthosenotices,youshouldbeawareofsomethreatstoeyesindailylives.Excessiveexposuretobrightsunlightisharmfultoeyes,therefore,whengoingout,especiallyinsummertime,putonapairofqualifiedsunglasses;Stayawayformsmoking.Someingredientsincigarettesarecarc
3、inogenesis(致癌的).Lastbutnottheleast,takeregularmedicalexaminestothecheckoutpotentialeyediseaseandpreventitsdeterioration(退化).Eyesarethemostimportantsenseorgansandoneshouldusepropereyecareproductstoavoidfurtherirritations(刺激性)andensurelongevityatease._____________________________________________
4、_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________技巧点拨：课堂练习：一．说明文的概括参考模板：
5、模板1.“对象+性质功用+利好”：描写事物的性质功用模板2.“问题+解决方法”：针对某个问题提出解决方法或措施模板3.“现象+原因+结果”：介绍某现象及原因和结果二．巩固练习练习1阅读下面短文，然后以约30个词概括该文的主要内容。Imagineenteringaverybuildingandyouhavenoideahowtogettotheofficeyouarelookingfor.Butthen,asyou’restandingthere,anearlysilentballoonfloatsovertoyouandspeakstoyou.Itasksyouwhereyouwa
6、nttogo.Youtellit,andthenitsimplysays“followme”likeachild’sgame,andbeginstofloatoffinthedirectionofyoudestination.Itkeepsgoing,asyoufollow,leadingyoutowhereyouwanttogo.Theguideworksitself,withoutanyhelpformanyhumanbeing.Itsayshellotopeopleastheyarriveinthebuilding,speakstothem,processestheirreq
7、uestsandthenguidesthemtothedestination.Theballoonhastwotinyfanstohelpkeepitfloatingandtoprovidejustatouchoflift.Onboardisawirelessreceiverforreceivingdirectionsformacomputerthatdirectsthefansandsensorsthatletitknowwhereobjectsarearoundi
