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
2014-12-18
22
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://jikaoti.com/ti/ZVgFFFFM
0
大学英语六级
相关试题推荐
Ourape-menforefathershadnoobviousnaturalweaponsinthestruggleforsurvivalintheopen.Theyhadneitherthepowerfult
Ifastrangercameuptoyouonthestreet,wouldyougivehimyourname,SocialSecuritynumberande-mailaddress?Probablyno
A、Hehasn’tfinishedthebookyet.B、Hedoesn’tagreewiththewoman.C、Hedoesn’tlikethenovel.D、Hecan’tunderstandthenov
IfthegoalofanengineeringcampatKetteringUniversityistogethighschoolgirlsinterestedinmath-andscience-relatedc
IfthegoalofanengineeringcampatKetteringUniversityistogethighschoolgirlsinterestedinmath-andscience-relatedc
TheAdvantagesofBeingHelplessAteverystageofearlydevelopment,humanbabieslagbehindinfantsfromotherspecies.A
A、Theywillhavelongertimetoconserveenergy.B、Theywillnotneedtomigrateanymore.C、Theywillhavelongerwarmerperiod
Droppingoutofuniversitytolaunchastart-upisoldhat.ThetwistwithJosephCohen,DanGetelmanandJimGrandpreisthatt
SmalldogsgenerallylivelongerthanbigdogssothatsmallYorkshireterrier(猎狐狗)nextdoorcouldbearoundforalongtime.Bu
京剧的脸谱(PekingOperamasks)几乎成了中国文化的一个代表性的符号,一种象征。许多国家举办“中国文化年”,招贴画上往往画着一个大大的京剧脸谱。脸谱有两种用意。一种是表明剧中人的身份和性格。如“红脸”表示这个人忠勇,“黑脸”表示这个人粗豪,
随机试题
A.主要降低血甘油三酯,也降低血胆固醇的药物B.主要降低血胆固醇,也降低血甘油三酯的药物C.主要降低LDH-C的药物D.仅降低血甘油三酯的药物E.仅降低血总胆固醇的药物辛伐他汀
妊娠合并甲状腺功能亢进患者药物治疗答案选丙基硫氧嘧啶,药物的剂量主要由患者病情的严重程度来决定,如患者为初治病人,心率可作为选择药物及剂量选择的重要指标,如果患者心率小于100次,则丙基硫氧嘧啶的剂量最好为:如果患者心率小于100~120次,则丙基硫
下列各项中与亡阳证无关的是
A.相须B.相使C.相畏D.相杀E.相恶
针对地下工程防水卷材的两种铺贴方式,与“外防内贴法”相比较,“外防外贴法”的主要特点有()。
下列建设项目中,可以通过划拨取得土地使用权的有()。
金融工具不具有的性质是()。
物业管理的基础是()的财产权。
下列关于我国国土资源的叙述,正确的是()。
建设中国特色社会主义文化,坚持走中国特色社会主义文化发展道路,其根本出发点和落脚点是
最新回复
(
0
)