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
The normal human daily cycle of activity is some 7-8 hours’ sleep alternation with some 16-17 hours’ wakefulness and that the sl
The normal human daily cycle of activity is some 7-8 hours’ sleep alternation with some 16-17 hours’ wakefulness and that the sl
admin
2013-11-10
58
问题
The normal human daily cycle of activity is some 7-8 hours’ sleep alternation with some 16-17 hours’ wakefulness and that the sleep normally coincides(1)_____ the hours of darkness. Our present concern is how easily and to what extent this(2)_____ can be modified.
The question is not merely an academic one. The ease with which people can change from working in the day to working at night is a(3)_____ of growing importance in industry where automation (4)_____ round-the-clock working of machines. It normally(5)_____ from five days to one week for a person to adapt to a(6)_____ routine of sleep and wakefulness,(7)_____ during the day and working at night.(8)_____, it is often the case in industry that shifts are changed every week. This (9)_____ that no sooner has he got used to one routine(10)_____ he has to change to another, (11)_____ much of his time is spent neither working nor sleeping very(12)_____.
One answer would seem to be(13)_____ periods on each shift, a month, or(14)_____ three months.(15)______, recent research has shown (16)_____ people on such systems will go back to their(17)_____ habits of sleep and wakefulness during the weekend and that this is quite enough to destroy any(18)_____ to night work built up during the week. The only real solution appears to be to(19)_____ the night shift to those permanent night workers whose(20)_____ may persist through all week-ends and holidays.
(12)
选项
A、efficiently
B、good
C、easily
D、happily
答案
A
解析
由上一句的“刚适应一种生活规律时又不得不转换成另一种”,可推断工作及睡眠都不好,故选efficiently“有效地”。
转载请注明原文地址:https://kaotiyun.com/show/qkGK777K
0
专业英语四级
相关试题推荐
HowmanypeoplewerekilledduringtheFriday’sbombattacksaccordingtothenewsitem?
Beforehistrip,themanneedstodothefollowingthingsEXCEPT
AmassiveearthquakestruckHaitijustbefore5p.m.onJan.12,about10milessouthwestofPort-au-Prince,thecountry’scapit
AmassiveearthquakestruckHaitijustbefore5p.m.onJan.12,about10milessouthwestofPort-au-Prince,thecountry’scapit
HowmanypeoplediedintheviolentearthquakethatshookLosAngelesin1994?
WhofirstcreatedthenetworksthatlaterdevelopedintotheInternet?
_________youdecidetospendyourtime,onethingiscertain:you’llarriveatyourdestination.
______ananswer,shedecidedtowritehimanotherletter.
Thechildrenprefercampinginthemountains________anindooractivity.
随机试题
对于慢性宫颈炎.下述哪项是错误的
患者,女,56岁。因胃部不适,需服用健胃宝,护士应指导患者
患者,女,60岁。反复咳嗽、咳痰25年,心悸、气促、下肢间歇性水肿3年,病情加重伴畏寒发热1周入院。体检:T38℃,呼吸急促,口唇发绀,双肺叩诊过清音,中下肺有湿啰音,心率110次/分,心律齐,无杂音,双下肢重度水肿。为明确诊断首选的检查是
下列四项中不属于政府财政部门预算拨款遵循的原则是()。
贵金属具有的天然属性最适合于充当一般等价物,主要表现在其()。
民事行为主体依法被宣告破产的资格,是指()。
将同一性质(技术水平相当)的作业,由纵向分工改为横向分工,是改进过细劳动分工方法中的()。
生活中许多现象都包含着物理常识,下列所表述的现象中,包含力学知识的有()。
贾某因复制和出售淫秽录像于2001年5月15日被A市B区公安分局处以15日行政拘留并罚款3000元。贾某不服,接到处罚决定书后,于2001年5月20日向A市公安局提出申诉。A市公安局经过审查认为B区公安分局处罚过重,遂作出行政拘留?日,罚款2000元的复议
在关系数据库设计中,关系模式设计属于()。
最新回复
(
0
)