The author mentions "pick-me-up" to indicate that What does paragraph 3 mainly discuss?

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问题 The author mentions "pick-me-up" to indicate that
What does paragraph 3 mainly discuss?

选项 A、Different effects of caffeinated coffee and decaf on sleep.
B、Different findings of Lotan Shilo and a team about caffeine.
C、The fact that the subjects slept 415 minutes per night after drinking decaf.
D、The evidence that the subjects took half an hour to fall asleep.

答案A

解析第三段涉及的是一个实验，这个实验的目的是测试含咖啡因咖啡和脱咖啡因咖啡对睡眠的影响，该段主要谈论的是这个实验的结果。

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职称英语综合类基础

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The author mentions "pick-me-up" to indicate that What does paragraph 3 mainly discuss?

职称英语综合类基础

职称英语

AttentiontotheDetails1．Attentiontodetailissomethingeveryonecanandshoulddo--especiallyinatightjobmarket.BobCr

HighwaysintheUSTheUnitedStatesiswell-knownforitsnetworkofmajorhighwaysdesignedtohelpadrivergetfromone

A. Whatexactlyisscience?B. Howdoyoufindanexplanation?C. Whattopicsdoyouneed?D. Howdoyouansweryourchild’sque

Ordinaryplantsareunabletosurviveinthedesertmainlybecauseofthechangeableweather.Thethemeofthesecondlastpara

TheJoyofLivingAloneMoreandmoreAmericansarelivingalone.Somelivealonebecauseofdivorceorthedeathofapartner.

A.EarthquakesforecastB.HistoricalrecordsofearthquakesC.IntensitiesofearthquakesD.CauseofearthquakesE.

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TakingaNapduringtheDayMedicalexpertssaymostAmericansdonotgetenoughsleep.TheysaymoreAmericansneedto【51】

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TheDevelopmentofAmericanPostalSystemIntheearlydaysoftheUnitedStates,postalchargeswerepaidbytherecipient

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A.　Whatexactlyisscience?B.　Howdoyoufindanexplanation?C.　Whattopicsdoyouneed?D.　Howdoyouansweryourchild’sque