首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
More and more people are taking their tablet computers to bed to surf the web or check Facebook or e-mails before【B1】_____ the l
More and more people are taking their tablet computers to bed to surf the web or check Facebook or e-mails before【B1】_____ the l
admin
2016-03-29
49
问题
More and more people are taking their tablet computers to bed to surf the web or check Facebook or e-mails before【B1】_____ the light. But using tablets like iPad just before bed can lead to a poor night’s sleep, according to research.
Researchers are warning that the blueish light their screens【B2】______can stop users getting a good night’s sleep. That is because this type of light mimics daylight, convincing the brain that it is still daytime. Blue light【B3】_____ production of a brain chemical called melatonin, which helps us fall sleep. This is because our brains have【B4】_____to be wakeful during daylight hours. By contrast, light which is more orange or red in tone does not restrain melatonin production, perhaps because our brains recognize it as a【B5】_____that the day is ending.
Neurologists have known for years that【B6】_____ screens late in the evening can disrupt sleep. Researchers at the Lighting Research Centre say: "Although turning off devices at night is the【B7】_____ solution, it is recommended that if these devices are used at night displays are dimmed as much as possible and that the time spent on them before bed should be【B8】_____." They drew their conclusions after measuring melatonin levels in 13 volunteers, after they had spent time【B9】_____iPads at full brightness at a distance of 10 inches, for two hours.
However, these studies tend to be【B10】_____of those with chronic sleep disruption, such as long term shift workers, with those who have normal sleep patterns.
【B6】
选项
答案
staring at
解析
根据空格所在位置可知,空格处应填入从句的主语。结合录音可填入staring at,意为“盯着”。拼写单词时应注意去掉stare词尾的e加一ing。
转载请注明原文地址:https://kaotiyun.com/show/KhL7777K
0
大学英语六级
相关试题推荐
Aprofessorstoodbeforehisphilosophyclassandhadsomeitemsinfrontofhim.Whentheclassbegan,wordlessly,hepickedup
Aprofessorstoodbeforehisphilosophyclassandhadsomeitemsinfrontofhim.Whentheclassbegan,wordlessly,hepickedup
A、Whyhumanscry.B、Howtorelieveourselves.C、Howanimalscry.D、Whenpeoplecry.A主旨题。议论文需注意首句话,此文章第一句“Whydowecry?”就点明了主题:
A、Shetookadrivetest.B、Shehadabaddayatwork.C、Shewasquarrellingwithotherpeople.D、Shewascaughtinacaracciden
A、Hewastakingpicturesofthescenery.B、Hewaswaitingtoattendasecretmeeting.C、Hewasdoinghisjob.D、Theweatherwas
MoreDisastersthanBefore?1.最近人们对自然灾害的报道越来越关注2.因而有不少人认为灾难比以前更多了3.我的看法
ShouldOldPeopleStayatHomeorBePlacedinNursingHomes?Directions:Forthispart,youareallowed30minutestowriteas
随机试题
在调查前复习CPI指数时,需要纠正的错误是
A.降低心脏后负荷,减少心肌耗氧量B.降低心脏前负荷,减少心肌耗氧量C.扩张冠状动脉,增加心肌供氧D.减慢心率,减弱心肌收缩力,减少心肌耗氧量E.降低血浆肾素活性,扩张周围血管,减少心肌耗氧量
一外科手术前患者,坐卧不安,眉头紧锁,小动作多,这一现象是
遇光极易氧化,使其分子内脱氢,产生吡啶衍生物的药物有
下列明细账应该采用数量金额式的是()。
具体性技术所面对的问题不包括()。
下列说法错误的是()。
下列诗句中没有传达出幸福感的是()
一本数学辅导书共有200页,编上页码后,问数字“1”在页码中出现了()次。
关于运算中的选择运算是
最新回复
(
0
)