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
65
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.
【B7】
选项
答案
ultimate
解析
根据空格所在位置可知,空格处应填入形容词修饰solution。结合录音可填入ultimate,意为“首要的”。
转载请注明原文地址:https://kaotiyun.com/show/OhL7777K
0
大学英语六级
相关试题推荐
A、TheplacewhereSaharaDesertwas5,000yearsago.B、Peoplelived3,000yearsagoin.C、TheplacewhereTaklaMakanDesertwas
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、Hewastakingpicturesofthescenery.B、Hewaswaitingtoattendasecretmeeting.C、Hewasdoinghisjob.D、Theweatherwas
VideogameshavebecomeincreasinglypopularinbotharcadesandtheaverageAmericanhome.Peopleofallagesandfromallwalk
VideogameshavebecomeincreasinglypopularinbotharcadesandtheaverageAmericanhome.Peopleofallagesandfromallwalk
随机试题
某医师在为患者施行左侧乳房肿瘤摘除术时,发现右侧乳房也有肿瘤,活检诊断为乳腺病。该医师认为将来可能癌变,在未征求患者意见的情况下,同时切除了右侧乳房。医师的这种做法,违背了病人的哪项权利
某女工,年龄30岁,从事放射性物质的科研工作,近期月经紊乱,表现经期延长或经血量减少
肛瘘的主要症状是
A.心率加快,血压升高B.心率加快,血压降低C.心率减慢,血压降低D.心率减慢,血压升高E.心率和血压不变颅内压升高时
某施工项目,拟对施工成本进行预测,预测得到的成本估算可以用作该施工项目()的依据。
“三懂四会”中的“三懂”指的是()。
纵观我国学校教育的历史,官学的出现早于私学。一般认为孔子是中国私学的开创者。()
有块手表每小时比一只闹钟快30秒,而这只闹钟又比一只石英钟每小时慢30秒,如果8点钟时将手表和石英钟都对准8点,那么,当石英钟12点时,手表显示的时间是几点几分几秒?
如果在数据库中已有同名的表,要通过查询覆盖原来的表,应该使用的查询类型是( )。
A.accountB.acquiredC.basisD.certainlyE.counterpartF.descendedG.docileH.enablesI.inci
最新回复
(
0
)