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
2023-08-23
66
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 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 [br] 【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:http://tihaiku.com/zcyy/2951977.html
相关试题推荐
Throughouthistorymanhasobservedsuchnaturalcyclesastherisingandse
Throughouthistorymanhasobservedsuchnaturalcyclesastherisingandse
Throughouthistorymanhasobservedsuchnaturalcyclesastherisingandse
Throughouthistorymanhasobservedsuchnaturalcyclesastherisingandse
Itisclearthathumanhistorywillend;theonlymysteryiswhen.Itisals
Itisclearthathumanhistorywillend;theonlymysteryiswhen.Itisals
Itisclearthathumanhistorywillend;theonlymysteryiswhen.Itisals
Itisclearthathumanhistorywillend;theonlymysteryiswhen.Itisals
"Theworld’senvironmentissurprisinglyhealthy.Discuss."Ifthatwerean
"Theworld’senvironmentissurprisinglyhealthy.Discuss."Ifthatwerean
随机试题
[originaltext]M:Whendoesthetrainleave?W:Itleavesattwelve.Q:Whatdoe
"BiologyClass"[img]2012q1/ct_etoefm_etoeflistz_1612_20121[/img][br]Whichoft
50milessouthwestofthecountry______thefamousbeautifulmountain.A、layingB
( )数字出版物的出版合同中,较多地采用按数字出版物销售收入比例分成的模式。A
枕叶病变引起:A、精神、情感、人格、行为和智能障碍 B、对侧运动障碍 C、刺
颈静脉搏动可见于A.二尖瓣关闭不全 B.主动脉瓣关闭不全 C.三尖瓣关
下列解表药中,兼有化湿和中功效的是A:紫苏 B:香薷 C:生姜 D:白芷
小李因资金周转困难,计划将汽车拿去典当。一般来说,汽车送去典当时要“四证齐全”,
下列关于资产结构分析的说法中,正确的有()。A.在分析资产负债表时,一定要
2015年,()正式在上海证券交易所挂牌上市,掀开了中国衍生品市场产品创新的新
最新回复
(
0
)