2024_2025学年高中英语Unit21HumanBiology课时跟踪练一Warm_upLesson1Pre_reading含解析北师大版选修7.docVIP

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课时跟踪练(一)WarmupLesson1—Prereading

Ⅰ.阅读理解

A

Areyousometimesalittletiredandsleepyintheearlyafternoon?Manypeoplefeelthiswayafterlunch.Theymaythinkthateatinglunchisthecauseofthesleepiness.Or,insummer,theymaythinkitistheheat.However，therealreasonliesinsidetheirbodies.Atthattime,abouteighthoursafteryouwakeup,yourbodytemperaturegoesdown.Thisiswhatmakesyouslowdownandfeelsleepy.Scientistshavetestedsleephabitsinexperimentswheretherewasnonightorday.Thepeopleintheseexperimentsalmostalwaysfollowedasimilarsleepingpattern.Theysleptforonelongperiodandthenforoneshortperiodabouteighthourslater.

Inmanypartsoftheworld,peopletakenaps(小睡)inthemiddleoftheday.Thisisespeciallytrueinwarmerclimates,wheretheheatmakesworkdifficultintheearlyafternoon.Researchersarenowsayingthatnapsaregoodforeveryoneinanyclimate.Adailynapgivesoneamorerestedbodyandmindandthereforeisgoodforhealth.Incountrieswherenapsaretraditional,peopleoftensufferlessfromproblemssuchasheartdisease.

Manyworkingpeoplehavenotimetotakenaps.Thoughdoctorsmayadvisetakingnaps,employersdonotallowit!Ifyoudohavethechance,however,hereareafewtipsaboutmakingthemostofyournap.Rememberthatthebesttimetotakeanapisabouteighthoursafteryougetup.Ashortsleeptoolateinthedaymayonlymakeyoufeelmoretiredandsleepyafterward.Thiscanalsohappenifyousleepfortoolong.Ifyoudonothaveenoughtime,tryashortnap—eventenminutesofsleepcanbehelpful.

eq\x(语篇解读：本文介绍了人们会感到困乏的主要缘由及小睡一会儿对身体是有好处的。)

1．Whydopeoplefeelsleepyintheearlyafternoonaccordingtothetext?

A．Theyeattoomuchforlunch.

B．Theysleeptoolittleatnight.

C．Theirbodytemperaturebecomeslower.

D．Theweatherbecomesalotwarmer

解析：选C细微环节理解题。依据第一段的“However,therealreasonliesinsidethei