先阅读短文,然后根据短文内容从文后每小题的四个选项中,选出

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 先阅读短文,然后根据短文内容从文后每小题的四个选项中,选出一个能完成所给句子或回答所提问题的最佳答案 March 21is World Sleep Day.How's your sleep recently? The Chinese Medical Doctor Association asked 8,200people in China about their sleep.More than 36.3percent of them said they often sleep badly.The study also finds that many students have only 5hours of sleep a day.According to the US National Sleep Foundation,teenagers need 8.5to 9hours of sleep every night. What cuts into their sleeping time?Homework.Also,school starts early in the morning.But bad sleeping habits also play a role. Do you like to have a look at your mobile phone before going to bed?The survey finds that 60percent of people check their phones before they sleep.They read news,check their WeChat (微信) and micro blog(博客) messages,or chat with QQ friends. It's important for us to get enough sleep.If we can't get enough sleep,we'll feel sleepy and think slowly.And sleepy kids are often unhappy,says a study by the US National Sleep Foundation. We can't change our school time.But there are still ways to get better sleep.Stay away from soda,coffee and tea at night.They make it hard to sleep well.Leave your mobile phone and computer on your desk.Watch less TV. Look at these numbers in the box.They are glycemic indexes (血糖生成指数).The bigger the number is,the better that food can help you to get better sleep.   44.How many hours of sleep do teenagers need every night according to the passage? A.About 12hours   B.About 9hours  C.About 4hours   D.About 5hours 45.Many students can't get enough sleep because . A.they play sports too much and feel tired B.they use mobile phones during the day time C.they drink too much soda,coffee and tea at night D.they have too much homework and bad sleeping habits 46.When people can't get enough sleep,they may . A.feel sleepy and unhappy     B.go to bed earlier next day C.change their school time    D.go to work late next day 47.In the passage if you want to get better sleep,you should . A.chat with your friends                B.eat the right food C.put your phone beside you             D.be away from food like dates.
1个回答 分类:综合 2018-02-01

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同学你好!解析:

翻译:3月21日是世界睡眠日.近来你睡眠怎么样?

中国医师协会在中国调查了8200人关于他们的睡眠.百分36.3以上的人说他们经常睡不好.研究还发现,很多学生一天只睡5小时.根据美国国家睡眠基金会,青少年需要每天晚上睡8.5到9个小时.

什么减少了他们的睡眠时间,作业,学校上课早,和不好的睡眠习惯.

你喜欢在睡觉前看手机吗?调查发现,60%的人看完手机才睡觉.他们看新闻,检查他们的微信和博客消息,或和朋友聊天.

美国国家睡眠基金会的一项研究指出,睡眠充足对我们来说很重要,如果我们不能得到足够的睡眠,我们会感到困倦和思维迟缓,而昏昏欲睡的孩子往往不快乐.

我们不能改变我们的学校时间,但仍有办法能更好的睡眠,晚上不喝苏打水,咖啡和茶,他们很难睡好觉,把你的手机和电脑放在桌子上,少看电视.

看看在盒子里的这些数字.他们的血糖指标,数字越大,食物越好,越能帮助你获得更好的睡眠.

【解答】44.B.细节理解题.按照短文每晚上青少年需要多少小时的睡眠?根据According tothe US National Sleep Foundation,teenagers need 8.5 to9 hours of sleep every night.可知每晚上青少年需要大约9小时睡眠,故选B.

45.D.细节理解题.因为有太多作业和不好的睡眠习惯,所以很多学生不能获得足够的睡眠.根据What cuts into theirsleeping time?Homework.Also,school starts early in the morning.Butbad sleeping habits also play a role.可知答案.故选D.

46.A.细节理解题.当人们不能获得足够睡眠时,他们可能感觉困倦和不开心.根据If we can\'t get enough sleep,we\'ll feel sleepy and think slowly.Andsleepy kids are often unhappy.可知答案,故选A.

47.B.推理判断题.在这篇短文中,如果你想要获得更好的睡眠,你应该吃合适的食物.据最后两段可知如soda,coffee and tea会让人睡不好,而有的食物是可以帮助你获得更好的睡眠的.故选B.

同学你好!如果对本题仍有疑义请追问,我将继续为你解答。祝你学习进步!

 
 
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