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
考研
Mammals vary enormously in size, from weighing less than a penny to measuring more than three school buses in length. Some group
Mammals vary enormously in size, from weighing less than a penny to measuring more than three school buses in length. Some group
admin
2022-01-04
58
问题
Mammals vary enormously in size, from weighing less than a penny to measuring more than three school buses in length. Some groups of mammals have become very large, such as elephants and whales,【C1】________others have always been small, like primates. A new theory developed by an international team, led by Jordan Okie,【C2】________an explanation for why and how【C3】________groups of organisms are able to evolve【C4】________sizes, whereas others are not.
The research team【C5】________information on how quickly an individual animal grows and used it to【C6】________how large it may get【C7】________evolutionary time. Their research was published recently.
The new theory developed from the observation that some animals【C8】________fast and die young, while others take their time and mature much later. "Fast" animals-such as mice—breed very quickly, while humans mature slowly and are relatively older when they first have children. The theory【C9】________that those species that are relatively faster are more likely to evolve a large size quicker than slow species, and that their maximum size will be greater.
The research team tested their theory using the【C10】________records of mammals over the last 70 million years, examining the maximum size of each mammal group【C11】________that time, including whales, elephants, seals and primates. They found that their theory was very well【C12】________.
"Primates have evolved very slowly, and never got bigger than 1,000 pounds," said Okie, "The【C13】________was true of whales, which evolved their large size at the fastest【C14】________recorded."
The theory also makes predictions about the relative risks of extinction for large animals【C15】________small. The maximum size of an animal is limited by the rate of mortality in the【C16】________. Because larger animals【C17】________breed less frequently than smaller animals,【C18】________the mortality rate doubles, the maximum size is predicted to be 16 times smaller.
"This is a really surprising【C19】________," said Okie. "It points to another reason why many of the large animals went【C20】________after the last Ice Age, and their high risk of extinction in modern environments."
【C11】
选项
A、after
B、throughout
C、since
D、till
答案
B
解析
本空格后的时间状语是that time,它指代the last 70 million years,而over加时间表示“在……期间”,所以此空格应填入一个与over用法一样的介词。因此选B项throughout“在整个……期间”。A项after指“在……之后”,C项指since“自从……”,D项指till“直到……”。这三项虽都能与that time搭配,但所表达的时间均不符合本题语义逻辑。
转载请注明原文地址:https://kaotiyun.com/show/Ioi4777K
0
考研英语二
相关试题推荐
Youwouldbe______arisktoletyourchildgotoschoolbyhimself.
ManyAmericansregardthejurysystemasaconcreteexpressionofcrucialdemocraticvalues,includingtheprinciplesthatallc
Nameshavegainedincreasingimportanceinthecompetitiveworldofhighereducation.Ascollegesstriveformarketshare,they
Whatmakesagreathighschool?Americansthinkalotofthingsdo,fromoutstandingacademicsorasupportiveenvironmentfors
LouisArmstrongsang,"Whenyou’resmiling,thewholeworldsmileswithyou."Romanticseverywheremaybesurprisedtolearntha
Insomeplaces,ithashelpedcurbcorruption,encouragedmoregirlstogotoschoolandenabledcitizenstomonitorelectionvi
Atfirstglancethepatriarchyappearstobethriving.Morethan90%ofpresidentsandprimeministersaremale,asarenearlya
InJanuarycommutersvotedBirminghamNewStreetoneofBritain’sworstrailwaystations.Eachdaynearly150,000peoplemoveth
随机试题
Testing:IsittheOnlyWaytoEvaluateStudents?Abouttenpercentof【C1】______(spend)onprimaryandsecondaryeducationi
A.急性化脓性胆囊炎B.AOSCC.急性出血性坏死性胰腺炎D.急性坏死性小肠炎E.绞窄性小肠梗阻Reynolds征出现在
药物经济学成本包括()
×年×月×日,某造纸厂发生了一起因工人严重违反操作规程和缺乏救助常识而导致10人中毒,其中4人死亡的重大伤害事故。事故当日,该厂工人于早上7时停机,经过往浆池中灌水、排水的工序后,8时左右有2名工人下池清扫浆池,当即晕倒在池中。在场工人在没有通知厂领导的
以下关于商标的叙述中,正确的是()。
甲公司是专门从事认证服务的增值税一般纳税人,2019年6月份取得认证服务收入,开具防伪税控增值税专用发票,价税合计为212万元;购进一台经营用设备,取得防伪税控增值税专用发票,注明金额40万元,税额5.2万元;接受其他单位提供的设计服务,取得防伪税控增值税
【2014河北石家庄】以掌握同类事物的关键特征和本质属性为主的学习属于()。
3,3,5,10,7,21,9,36()
实时操作系统必须首先考虑的是( )。
SavingOurPlanetA)Inthelongview,thehumanrelationshipwithforestshasbeenoneofbrutaldestruction,butevenitc
最新回复
(
0
)