说明文备考策略公开课-豆柴文库

您所在位置：网站首页 / 说明文备考策略公开课.pptx / 文档详情

免费试读已结束，剩余 27 页请下载文档后查看

10 金币

下载文档

/ 32

下载提示

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

文本预览

阅读理解B.C篇
说明文备考策略1高考命题规律及
课标要求时间课标解读时间学生解题中存在的难点专有名词、专业术语多基于语篇的备考策略备考策略1：整体掌握各类型语篇结构及高考命题方式说明对象（浙江2022年1月C）Thebenefitsofregularexercisearewelldocumentedbutthere’sanewbonustoaddtotheever-growinglist.Newresearchfoundthatmiddle-agedwomenwhowerephysicallyfitcouldbenearly90percentlesslikelytodevelopdementia(失智症)inlaterlife—andiftheydid,itcameonadecadelaterthanlesssportywomen.LeadresearcherDrHelenaHörder,oftheUniversityofGothenburginSweden,said:“Thesefindingsareexcitingbecauseit’spossiblethatimprovingpeople’scardiovascular(心血管的)fitnessinmiddleagecoulddelayorevenpreventthemfromdevelopingdementia.”Forthestudy,191womenwithanaverageageof50tookabicycleexercisetestuntiltheyweretiredouttomeasuretheirpeak(最大值的)cardiovascularcapacity.Theaveragepeakworkloadwasmeasuredat103watts.Atotalof40womenmetthecriteriaforahighfitnesslevelwithacapacityof120wattsorhigher,while92womenwereinthemediumfitnesscategory.Atotalof59wereoflowfitnesslevel,withapeakworkloadof80wattsorless,orhavingtheirtestsstoppedbecauseofhealthproblems.Thesewomenwerethentestedfordementiasixtimesoverthefollowingfourdecades.Duringthattime,44ofthewomendevelopeddementia.Fivepercentofthehighlyfitwomendevelopeddementia,comparedto25percentofthewomenwithmediumfitnessand32percentofthewomenwithlowfitness.“However,thisstudydoesnotshowcauseandeffectbetweencardiovascularfitnessanddementia,itonlyshowsanassociation,”saidHörder.“Moreresearchisneededtoseeifimprovedfitnesscouldhaveapositiveeffectontheriskofdementiaandalsotolookatwhenduringalifetimeahighfitnesslevelismostimportant.”Shealsoadmittedthatarelativelysmallnumberofwomenwerestudied,allofwhomwerefromSweden,sotheresultsmightnotbeapplicabletoothergroups.




说明对象（2021年1月B）Atthestartofthe20thcentury,anAmericanengineernamedJohnElfrethWatkinsmadepredictionsaboutlifetoday.Hispredictionsaboutslowingpopulationgrowth,mobilephonesandincreasingheightwereclosetothemark.Buthewaswronginoneprediction:thateverybodywouldwalk10milesaday.Today,inAustralia,mostchildrenonaveragefall2,000stepsshortofthephy