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最新高考英语任务型阅读专题练习及答案100一、高中英语任务型阅读1．根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 Everyanimalsleeps,butthereasonforthishasremainedfoggy.Whenlabratsarenotallowedtosleep,theydiewithinamonth.________ Oneideaisthatsleephelpsusstrengthennewmemories.________Weknowthat,whileawake,freshmemoriesarerecordedbyreinforcing(加强)connectionsbetweenbraincells,butthememoryprocessesthattakeplacewhilewesleephavebeenunclear. Supportisgrowingforatheorythatsleepevolvedsothatconnectionsbetweenneurons(神经元)inthebraincanbeweakenedovernight,makingroomforfreshmemoriestoformthenextday.________ Nowwehavethemostdirectevidenceyetthatheisright.________Thesynapsesinthemicetakenattheendofaperiodofsleepwere18percentsmallerthanthosetakenbeforesleep,showingthattheconnectionsbetweenneuronsweakenwhilesleeping. IfTononi'st