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  3. Text 4 When you go to bed,is it because

Text 4 When you go to bed,is it because

题库2022-08-02  45
问题 Text 4 When you go to bed,is it because you're tured or because you need to get up at a certain time and want to make sure you get enough sleep?Everyone has a chronotype,which is the sleep cycle that their body would naturally prefer,if left to its own devices.But society forces its own chronotype on people,too.Maybe your prefer to sleep from 2 a.m.t0 10 a.m.But if you have a typical 9-to-5 workday,to get eight hours,you'd probably need to sleep from something like 11 p.m.t0 7 a,m.Individuals'sleep is surely shaped by their jobs,their families,and their habits.But a new study shows that society can shape sleep broadly,on a population level,as well.In the paper,published in Science Advances,Olivia Walch,Amy Cochran,and Daniel Forger of the University of Michigan look at data gathered from a smartphone app to see how sleep cycles vary in different countries and among different demographics.What country people lived in didn't have any noticeable effect on when they woke up,but it was linked to what time they went to bed.And what time they went to bed was linked to how much sleep they got.So in the countries that got less sleep on average,like Japan and Brazil,it was because they were going to bed later,not because they were waking up earlier than people in countries that got more sleep on average,like the Netherlands and Belgium,where people have earlier bedtimes.But it's notable in pointing out bedtime as a problem area.A lot of the research and discussion about the tension between sleep and society has focused on the morning-how the 9-to-5 workday isn't suitable for everyone's internal clocks,how starting the school day later can help teens,who have notoriously late chronotypes,how exposing yourself to light in the moming can help keep your intemal clock wound in a way that promotes good sleep.Bedtime,meanwhile,seems like it should be more of a choice.You wake up to go somewhere,or to start fulfilling responsibilities,and you go to bed when you decide to,based on a complex calculus of how tired you are,how much sleep you want to get,and whether the chapter you were just reading in your book ended on a cliffhanger.But when people are deciding to go to bed differs significantly across societies,it seems there's something cultural at play here,too.The factors affecting people's sleep time do not include____A.the social environment they live inB.their individual habitC.the assignment they would do with friendsD.the dramatic books they are immersed in
选项 A.the social environment they live in
B.their individual habit
C.the assignment they would do with friends
D.the dramatic books they are immersed in
答案 C
解析 事实细节题。根据定位词定位到第三段和最后一段。根据文章最后一段．“也许是因为去履行责任；你去睡觉也许是因为你决定去睡觉”可知，C项曲解题意。人们即将履行的责任并非是和朋友一起，故C项错误，符合题干，故C项为正确选项。【干扰排除】根据文章第三段“但是一项新的研究表明，基于人口水平这一角度，社会环境也能广泛地影响睡眠时间”可知，A项是影响人们睡眠时间的因素；文章第三段“每个人的睡眠时间是由他们的工作、家庭和行为习惯决定的”表明B项是影响人们睡眠时间的因素；根据文章最后一段“或者你正读的那本书的那一章节是否扣人心弦”可知，D项也是影响人们睡眠时间的因素。
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