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
Throughout history man has observed such natural cycles as the rising and setting of the sun, the ebb and flow of the ocean tide
Throughout history man has observed such natural cycles as the rising and setting of the sun, the ebb and flow of the ocean tide
admin
2016-04-01
48
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 B)demonstrated C)verifying D)normal
E)considerable F)upsets G)disappoints H)periodic
I)Certainly J)Thankfully K)spans L)gorgeous
M)security N)exhibits O)limits
【C1】
选项
答案
H
解析
此处填入修饰nature的词,可能是名词、形容词或分词。空格后的these events指的就是第一句提到的naturalcycles“自然周期”所表现的现象。因此,空格处应填人含有“循环;周期”意思的词语,故用形容词periodic“周期(性)的”。
转载请注明原文地址:https://kaotiyun.com/show/xCL7777K
0
大学英语六级
相关试题推荐
Commonindoorplantsmayprovetobeavaluableweaponinthefightagainstrisinglevelsofindoorairpollution.Thoseplants
Commonindoorplantsmayprovetobeavaluableweaponinthefightagainstrisinglevelsofindoorairpollution.Thoseplants
Heavierpeoplearemorelikelytobekilledorseriouslyinjuredincaraccidentsthanlighterpeople,accordingtonewresearch
Heavierpeoplearemorelikelytobekilledorseriouslyinjuredincaraccidentsthanlighterpeople,accordingtonewresearch
ThinkorSwim:CanWeHoldBacktheOceans?A)Astheworldgetswarmer,sealevelsarerising.Ithasbeenhappeningatasnail’
ThinkorSwim:CanWeHoldBacktheOceans?A)Astheworldgetswarmer,sealevelsarerising.Ithasbeenhappeningatasnail’
ThinkorSwim:CanWeHoldBacktheOceans?A)Astheworldgetswarmer,sealevelsarerising.Ithasbeenhappeningatasnail’
随机试题
在物资统计中,标志按其表明总体单位特征的区别,又分为品质标志和()标志。
下列哪项属五行之“金”
下列关于超导磁体的特点,不正确的是
风险管理是为了达到一个组织的既定目标,而对组织所承担的各种风险进行管理的系统过程,其采取的方法应符合()的要求。
新型城市卫生服务体系是以社区卫生服务为基础,社区卫生服务机构与医院()分工合理、协作密切共同构成的。
外部言语主要有__________和__________两大类。
从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性。
下列哪一项不支持急进性肾小球肾炎的诊断
属相
A、Thespeakerisaskedtocheckhisbag.B、Thespeakerisabouttofinishhisdinner.C、Thespeakerdoesn’twanttogotothede
最新回复
(
0
)