2018_2019学年高中英语unit21humanbiology课时跟踪练（一）warm_uplesson1pre_reading

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1、课时跟踪练(一)Warmup&Lesson1—PrereadingⅠ.阅读理解AAreyousometimesalittletiredandsleepyintheearlyafternoon?Manypeoplefeelthiswayafterlunch.Theymaythinkthateatinglunchisthecauseofthesleepiness.Or,insummer,theymaythinkitistheheat.However，therealreasonliesinsidetheirb

2、odies.Atthattime,abouteighthoursafteryouwakeup,yourbodytemperaturegoesdown.Thisiswhatmakesyouslowdownandfeelsleepy.Scientistshavetestedsleephabitsinexperimentswheretherewasnonightorday.Thepeopleintheseexperimentsalmostalwaysfollowedasimilarsleepingpatter

3、n.Theysleptforonelongperiodandthenforoneshortperiodabouteighthourslater.Inmanypartsoftheworld,peopletakenaps(小睡)inthemiddleoftheday.Thisisespeciallytrueinwarmerclimates,wheretheheatmakesworkdifficultintheearlyafternoon.Researchersarenowsayingthatnapsareg

4、oodforeveryoneinanyclimate.Adailynapgivesoneamorerestedbodyandmindandthereforeisgoodforhealth.Incountrieswherenapsaretraditional,peopleoftensufferlessfromproblemssuchasheartdisease.Manyworkingpeoplehavenotimetotakenaps.Thoughdoctorsmayadvisetakingnaps,em

5、ployersdonotallowit!Ifyoudohavethechance,however,hereareafewtipsaboutmakingthemostofyournap.Rememberthatthebesttimetotakeanapisabouteighthoursafteryougetup.Ashortsleeptoolateinthedaymayonlymakeyoufeelmoretiredandsleepyafterward.Thiscanalsohappenifyouslee

6、pfortoolong.Ifyoudonothaveenoughtime,tryashortnap—eventenminutesofsleepcanbehelpful.1．Whydopeoplefeelsleepyintheearlyafternoonaccordingtothetext?A．Theyeattoomuchforlunch.B．Theysleeptoolittleatnight.C．Theirbodytemperaturebecomeslower.D．Theweatherbecomesal

7、otwarmer解析：选C　细节理解题。根据第一段的“However,therealreasonliesinsidetheirbodies.Atthattime,abouteighthoursafteryouwakeup,yourbodytemperaturegoesdown.”可知选C。2．Ifyougetupat6：30am,whatisthebesttimeforyoutotakeanap?A．About2：30pm.　　　　B．About1：30pm.C．About12：30pm.D．About

8、3：30pm.解析：选A　细节理解题。根据最后一段的“Rememberthatthebesttimetotakeanapisabouteighthoursafteryougetup.”故选A。3．Whatwouldbethebesttitleforthetext?A．JustforaRestB．AllforaNapC．ASpecialSleepPatternD．TakingNapsinWarmerClimates解析：选B　标题归纳题。根据