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 of some 7-8 hours’ sleep alternation(交替) with some 16-17 hours’ wakefulness and that
The normal human daily cycle of activity is of some 7-8 hours’ sleep alternation(交替) with some 16-17 hours’ wakefulness and that
admin
2010-03-26
23
问题
The normal human daily cycle of activity is of some 7-8 hours’ sleep alternation(交替) with some 16-17 hours’ wakefulness and that the sleep normally coincides 【C1】______ the hours of darkness. Our present 【C2】______ is with how easily and to what extent this 【C3】______ can be modified.
The question is no 【C4】______ academic one.
The ease 【C5】______ which people can change from working !n the day to working at night is a 【C6】______ of growing importance in industry where automation(自动化) 【C7】______ round-the- clock working of machines. It normally 【C8】______ from five days to one week for a person to adapt to a 【C9】______ routine of sleep and wakefulness, sleeping during the day and working at night. 【C10】______ , it is often the case in industry that 【C11】______ are changed every week. This means that no sooner has he got used to one routine 【C12】______ he has to change to another, 【C13】______ much of his time is spent neither working nor sleeping very 【C14】______ .
One answer would seem to be 【C15】______ periods on each shift, a month, or even three months. 【C16】______ , recent research has shown that people on such systems will revert to go back to their 【C17】______ habits of sleep and wakefulness during the week-end and that this is quite enough to destroy any 【C18】______ to night work built up during the week. The only real 【C19】______ appears to be to hand over the night shift to those permanent night workers whose 【C20】______ may persist through all week-ends and holidays.
【C2】
选项
A、concern
B、worry
C、joy
D、blessing
答案
A
解析
考查语义与词汇辨析。此处句意应为:我们现在关心的是怎样方便并最大程度地调整这种规律。concern表示“关心,关注”,可用在show concern over/about sth.,表示“对……予以关注”;worry表示“担心”:joy表示“愉快”:blessing表示“祝福”。
转载请注明原文地址:https://kaotiyun.com/show/hYk7777K
0
大学英语四级
相关试题推荐
Hewenttothenewshoppingmall,and______(以八折的价钱买了一套西服).
A、Finishtheircoursework.B、Buysomenecessitiesfortheirtrip.C、HeadforSydney.D、Planouttheirholidayindetail.D[听力原文
A、Americaneconomy.B、Americanindustry.C、Americanagriculture.D、AmericanGDP.B本题问“短文的主要内容是什么?”本篇短文上要谈论了美国农业在美国经济中所占的比重、农业生产力
ItisreportedthattheAmericanMedicalAssociationhascalledfor______(禁止拳击运动).
A、AllAmericanwomenarenowworkingortryingtofindajob.B、Divorcerateishigh.C、Societyismakingprogress.D、Unemployme
A、Physics.B、Computerscience.C、Tourism.D、Mechanicalengineering.B根据对话中“Well,whenIfirststartedcollege,Imajoredinphysic
A、Thereportersdidn’tbelievewhatpeopletoldthemabouttheflights.B、TheGovernmentdidn’tgivetheWrightsanymoney.C、Th
Amongthosetanningcustomers,itisestimatedthatmostofthemare______.AccordingtotheInternationalAgencyforResearch
A、Hersisterisafashionablewoman.B、HersisterisstudyingSpanish.C、Hersisterisdesigningadress.D、Hersisterisinthe
A、Heneverdriveshiscarinordertoavoidaccidents.B、Heoftensuffersfromtheheavytraffic,too.C、Hecan’tagreewiththe
随机试题
设有关键码序列(66,13,51,76,81,26,57,69,23),要按关键码值递增的次序排序,若采用快速排序法,并以第一个元素为划分的基准,那么第一趟划分后的结果为()。
A.泪腺腺样囊腺癌B.海绵状血管瘤C.皮样囊肿D.横纹肌肉瘤E.视神经脑膜瘤成年患者影像学检查发现眼眶外上方有骨质破坏的肿瘤是
患者,男,40岁。咳嗽气促,咯痰量多,痰质黏稠而黄,咯吐不爽,胸胁胀满,面赤身热,口干,舌红苔黄腻,脉滑数。治疗应首选
护士采用挪动法协助患者从床上向平车移动时顺序为
工程项目建设周期的阶段划分通常包括()。
基金直销和代销的不同点不包括()。
以下属于金融衍生品的是()。
优惠利率是指低于一般利率水平的利率。()
某地国道因为大雪道路被封,作为乡镇工作人员,你去向被困司机发放盒饭。司机有顾虑不敢开门,你会如何与他们沟通?请把考官当作司机,现场模拟一下。
设a=5,b=6,c=7,d=8,执行下列语句后,x的值为()。x=IIf((a>b)And(c>d),10,20)
最新回复
(
0
)