首页
登录
职称英语
Throughout history man has observed such natural cycles as the rising and se
Throughout history man has observed such natural cycles as the rising and se
游客
2023-08-10
32
管理
问题
Throughout history man has observed such natural cycles as the rising and setting of the sun, the ebb and flow of the ocean tides, and the changes of the seasons. The【C1】______nature of these events provided people with a measure of【C2】______about things to come and give them reason to reflect on their past and plan for their future. The regularity of such social activities as work hours, meal times, and holiday schedules【C3】______the extent to which human activity itself is organized in cycles.
Recently,【C4】______effort has been spent investigating the effect of various biological rhythms in the human body.【C5】______, interest in these rhythms at least in part results from man’s basic desire to predict future behavior.
The human body【C6】______a number of repeatable rhythms: heartbeats, breathing rates, brain waves and other physiological processes within the human machine.
Scientists studying rhythms in humans have measured sleep patterns and attention【C7】______over periods of several days, and have【C8】______the fact that the cycles exist and exert effects on physiological and sociological behavior. A common example is jet lag. A person’s traveling in the east-west direction across time zones【C9】______his sleep cycles—it may take several days to return to the【C10】______cycle or to readjust to a new one.
A)indicates E)considerable I)Certainly M)security
B)demonstrated F)upsets J)Thankfully N)exhibits
C)verifying G)disappoints K)spans O)limits
D)normal H)periodic L)gorgeous [br] 【C7】
选项
答案
K
解析
空格处应填的是名词,与attention搭配,而且还跟sleep patterns一起作have measured的宾语。attention spans是常用的固定搭配,意思是“注意力集中时间”。
转载请注明原文地址:https://tihaiku.com/zcyy/2913926.html
相关试题推荐
Throughouthistorymanhasobservedsuchnaturalcyclesastherisingandse
Throughouthistorymanhasobservedsuchnaturalcyclesastherisingandse
Throughouthistorymanhasobservedsuchnaturalcyclesastherisingandse
Ourape-menforefathershadnoobviousnaturalweaponsinthestruggleforsu
Ourape-menforefathershadnoobviousnaturalweaponsinthestruggleforsu
Ourape-menforefathershadnoobviousnaturalweaponsinthestruggleforsu
Ourape-menforefathershadnoobviousnaturalweaponsinthestruggleforsu
Ourape-menforefathershadnoobviousnaturalweaponsinthestruggleforsu
Ourape-menforefathershadnoobviousnaturalweaponsinthestruggleforsu
Ourape-menforefathershadnoobviousnaturalweaponsinthestruggleforsu
随机试题
[originaltext]W:Idon’twantmysonTimtohangoutwithBob,whodrinksando
VenusFlytrapsA.FromindigenousmythstoJohnWyndh
Theprocessofacquiringtheself-disciplineforJapanesebeginsinchildho
CharlesIves’smusicwashardlypopularwiththebroadpublicatthetimeitwas
[originaltext]InBritain,(26)arrangementsforinvitingandentertainingg
民用建筑中设置机械通风时,下列( )房间不应合用同一个排风系统。A.公共卫生间
根据《建设工程安全生产管理条例》,在施工中发生危及人身安全的紧急情况时,作业人员
乳牙期牙尖交错的特征,不正确的是A.无颊舌向斜度 B.无曲线 C.常有拥挤现
患者,男性,72岁。因患支气管哮喘急性发作入院。遵医嘱给予药物治疗后病情缓解。今
随着公益事业的发展,各种公益组织和项目_,在运行中却暴露出一系列问题。爱心捐赠
最新回复
(
0
)