The author mentions "pick-me-up" to indicate that Which of the following tells us how caffeine affects sleep?

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问题 The author mentions "pick-me-up" to indicate that
Which of the following tells us how caffeine affects sleep?

选项 A、Caffeine blocks production of the enzyme that stops melatonin production.
B、Caffeine interrupts the flow of the hormone that prevents people from sleeping.
C、Caffeine halves the body’s levels of sleep hormone.
D、Caffeine stays in the body for many hours.

答案C

解析第二段的第三个句子谈到，“控制我们睡眠的是神经激素”，而这一段的最后一个句子告诉我们“含咖啡因咖啡能使这种睡眠激素减半”。这正是咖啡因影响睡眠的原理。

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本试题收录于：职称英语卫生类基础题库职称英语分类

职称英语卫生类基础

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The author mentions "pick-me-up" to indicate that Which of the following tells us how caffeine affects sleep?

职称英语卫生类基础

职称英语

HereisanadvertisementaboutaBusinessBookClub.JointheBusinessClub!Wewillsendyouanew

Readthefollowingpassageanddecidewhichanswerbestfitseachspace.Forquestions26~45,markoneletterA,B,CorDo

NolongerdomostofEurope’sundergraduateswanttodirtytheirhandsproducingthingsorprovidingservicestocustomers.【R1】_

1.Onceitwaspossibletodefinemaleandfemaleroleseasilybythedivisionoflabor.Menworkedoutsidethehomeandearned

1.AccordingtotheWallStreetJournal,"Moreandmoreshoppersarebypassinghouseholdnamesforthecheaper,no-nameproducts

Youaregoingtoreadanewspaperarticleaboutamanwhoisrunningroundtheworld.Eightparagraphshavebeenremovedfromth

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