首页
登录
职称英语
More and more people are taking their tablet computers to bed to surf the we
More and more people are taking their tablet computers to bed to surf the we
游客
2023-08-20
49
管理
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. [br] 【B8】
选项
答案
limited
解析
根据空格所在位置及句意可知,空格处应填入动词(词组)的过去分词形式构成被动语态。结合录音可填入limited,意为“被限制”。
转载请注明原文地址:https://tihaiku.com/zcyy/2942186.html
相关试题推荐
[originaltext]Today’slecturewe’llcentreonthepeoplewholivedfiveth
[originaltext]Peopleallovertheworldtodayarebeginningtohearandlea
[originaltext]Peopleallovertheworldtodayarebeginningtohearandlea
[originaltext]Peopleallovertheworldtodayarebeginningtohearandlea
Itisimpossibletodescribeinsomnia(失眠)topeoplewhoaresoundsleepers.T
Itisimpossibletodescribeinsomnia(失眠)topeoplewhoaresoundsleepers.T
Itisimpossibletodescribeinsomnia(失眠)topeoplewhoaresoundsleepers.T
Itisimpossibletodescribeinsomnia(失眠)topeoplewhoaresoundsleepers.T
Itisimpossibletodescribeinsomnia(失眠)topeoplewhoaresoundsleepers.T
Itisimpossibletodescribeinsomnia(失眠)topeoplewhoaresoundsleepers.T
随机试题
Forsomepeople,thelightofhumanattentionhasanunbearablebrilliance.
MississippiisatypicalAmericansouthernstate.[originaltext]Nostateepitomi
PassageOne(1)WhenCarolineMeeberboardedtheafternoontrainforC
A
为提高旋转阳极X线管的短时负荷所采取的措施中,错误的是A.提高阳极旋转速度 B
患者,女,32岁,已婚。因:“停经30周,右下腹疼痛伴发热、恶心、呕吐1天”就诊
痞满肝胃不和证的代表方是A.枳实消痞丸加减 B.木香顺气丸加减 C.连
面试热点:行之力则知愈进,知之深则行愈达 热点背景: 在改革开放40
一般认为,“职业”是人们用以谋生的手段,而专业是对公众所期待的责任有承诺的职业团
根据《化学品安全标签编写规定》,化学品安全标签主要包括名称、危险性级别等项内容,
最新回复
(
0
)