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
2023-01-24
28
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."
【C17】
选项
A、lead to
B、tend to
C、stick to
D、object to
答案
B
解析
本句说明就繁殖频率而言,大型动物会比小型低。根据常识可知,这样的说法不是绝对的,有可能存在某种大型动物的繁殖率跟某种小型动物一样、甚至是比某种小型动物还高的情况。B项tend to do sth.“倾向于做某事”,说明这是一种普遍的而非绝对的说法,符合语义逻辑。A项lead to“导致”,表示前者的发生而使得后面现象的出现,不符合本空格逻辑。动物不会slick to“坚持”或object to“反对”繁殖更少,因此C项、D项不对。
转载请注明原文地址:https://jikaoti.com/ti/sB1iFFFM
0
考研英语二
相关试题推荐
SelectiveNewYorkCitypublichighschoolsaresupposedtomakeiteasyforfamiliestoseetheirdetailedadmissioncriteria,
SelectiveNewYorkCitypublichighschoolsaresupposedtomakeiteasyforfamiliestoseetheirdetailedadmissioncriteria,
Nobodyeverproteststhatanelementaryschoolshouldbedescribedas"manned"insteadof"staffed,"butdaretosuggesta"men
Nobodyeverproteststhatanelementaryschoolshouldbedescribedas"manned"insteadof"staffed,"butdaretosuggesta"men
Nobodyeverproteststhatanelementaryschoolshouldbedescribedas"manned"insteadof"staffed,"butdaretosuggesta"men
EnrollmentinLosAngelespublicschoolsisexpectedtoplungebynearly30%overthenextdecade,leadingtotoughchoicesahea
EnrollmentinLosAngelespublicschoolsisexpectedtoplungebynearly30%overthenextdecade,leadingtotoughchoicesahea
EnrollmentinLosAngelespublicschoolsisexpectedtoplungebynearly30%overthenextdecade,leadingtotoughchoicesahea
EnrollmentinLosAngelespublicschoolsisexpectedtoplungebynearly30%overthenextdecade,leadingtotoughchoicesahea
Weighingyourselfregularlyisawonderfulwaytostayawareofanysignificantweightfluctuations.【C1】________,whendonetoo
随机试题
Inexperiencedasheis,hehassucceeded______otherexperiencedresearchersfail.
化学发光酶免疫分析的反应中对鲁米诺和过氧化氢起催化作用的酶是
B细胞经抗免疫球蛋白荧光抗体染色后,其表面呈现的荧光随时间的变化规律是
患者,男,50岁。近一个月出现咳嗽,痰中带血并伴低热。怀疑为肺结核分枝杆菌感染,欲增菌培养,应选择何种培养基
施工单位项目部的()是项目部安全生产直接责任人。
【2006年第3题】题11~15:某电力用户有若干10kV车间变电所,供电系统如图所示,给定条件如下:(1)35kV线路电源侧短路容量无限大;(2)35/10kV变电所10kV母线短路容量104MVA;(3)车间A、B和C变电所10kV母线短路容量分
甲公司与张某签订了3年的劳动合同,在劳动合同中约定试用期满的月工资800元,甲公司所在地的最低工资标准为750元。根据劳动合同法律制度规定,张某在试用期的月工资不得低于()元。
“法律必须被信仰,否则它就形同虚设”是美国著名法学家伯尔曼的名言。请根据对这句话的思考,自拟题目,写一篇文章。要求:1.自选角度,立意明确,富于思想性:2.联系实际:3.内容饱满,语言简练有力:4.1000~1200字。
当西方企业还在产品质量的竞争中拼搏,日本企业却已开始改变竞争方式,将重点转移到顾客服务方面来。继质量之后,服务变成了企业下一个全力以赴的目标。以下哪项不是上面文中之意?()
为了丰富外国留学生的生活,你校学生会将举行一次“音乐周”活动。请你以组织者的身份写一个书面通知书,有关内容如下:时间:5月第一周;活动:演唱流行歌曲;乐器演奏:古典和民间音乐;音乐比赛:听歌曲片段,然后猜出处;
最新回复
(
0
)