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
Small dogs generally live longer than big dogs so that small Yorkshire terrier (猎狐狗) next door could be around for a long time.
Small dogs generally live longer than big dogs so that small Yorkshire terrier (猎狐狗) next door could be around for a long time.
admin
2013-06-02
70
问题
Small dogs generally live longer than big dogs so that small Yorkshire terrier (猎狐狗) next door could be around for a long time. But body size isn’t the only factor that【B1】______how long dogs survive. Personality influences life span, too, according to a new study that might help explain how animal【B2】______evolve.
Study on animals from ants to apes has found that different【B3】______have different personalities. Some are timid, others【B4】______. Biologists have proposed that temperaments (性情) evolved along with life history.【B5】______, violent animals use a lot of energy fast in【B6】______short lives, the thinking goes, whereas calmer animals last longer, saving themselves to【B7】______ later in life. But it’s hard to run evolutionary【B8】______on these personalities in anything longer lived than a fruit fly. So evolutionary biologist Vincent from Canada came up with an idea about dogs. "All these breed differences reflect an experiment on artificial selection," says Vincent.【B9】______—the ability to chase foxes into holes, or herd sheep, or sit attractively on a sofa.
But evolutionary physiologist Joseph Williams of Ohio State University in Columbus isn’t convinced that 【B10】______. "For me, it still remains to be seen. Dogs are contrary to what you would expect in nature in terms of longevity," he says.【B11】______. On the other hand, a Chihuahua will generally outlast a Saint Bernard.
【B4】
选项
答案
aggressive
解析
反义参照题。此空与timid对应,词性相同,词义相对。既然有的“胆怯”,那么其他动物的性格应与“胆怯”正好相反。结合录音,不难填入aggressive。
转载请注明原文地址:https://kaotiyun.com/show/wF67777K
0
大学英语六级
相关试题推荐
A、Sellhistextbooks.B、Getsomeextrahelp.C、Gotothebank.D、ApplyforthejobD女士表示听说书店正在招聘兼职销售员。男士说太好了,有些额外的钱用了。只有工作了才有可能
Childrenmodelthemselveslargelyontheirparents.Theydosomainlythroughidentification.Children【C1】_______withaparent
Whethertheeyesare"thewindowsofthesoul"isdebatable;thattheyareintenselyimportantin(36)______communicationisa
A、Hisnameandtelephonenumber.B、Hisnameandcareer.C、Histelephonenumberandpayment.D、Hisownwordsexplaininghiskind
Everycountryandculture,whetherit’sasancientasIndiaorasyoungastheCzechRepublic,hasahistorythatwillgreatlya
__________(由于电力供应不足,多达两千家工厂)hadtorescheduletheirproductiontoeveningsoratweekends.
Iamamotherofthree(ages14,12,3)andhaverecentlycompletedmycollegedegree.ThelastclassIhadtotakewasSociolog
Isyourfamilyinterestedinbuyingadog?Adogcanbeahappy【B1】______toyourfamily,butifyouchoosethewrongkindofdog
A、Inanunrealisticway.B、Inanunnaturalbutrecognizableway.C、Inarealisticandironicway.D、Inarealisticandidentifia
随机试题
Ininterviews,famouspeopleoftensaythatthekeytobecomingbothhappyandsuccessfulisto"dowhatyoulove."Butmasterin
分别说明穿手术衣前、穿手术衣后,无菌巾的铺巾顺序。
既祛外风,又息内风,尚善于明目疗哑的药物是
对固体废物二次污染的监测,污染因子的选择依据不包括()。
规划管理系统的构成要素不包括()。
会计工作交接后,原移交人员因会计资料已办理移交而不再对这些会计资料的真实性、完整性负责。()
交响诗《荒山之夜》是()的作品。
根据《治安管理处罚法》的规定,()违反治安管理,可以从轻、减轻或者不予处罚。
2015年2月,我国快递业务量完成8.2亿件,同比增长18.7%;业务收入完成136.0亿元,同比增长22.5%。消费者对快递业务进行的申诉中,有效申诉(确定企业责任的)占总申诉量的97.6%,为消费者挽回经济损失229.8万元。2015年2月,
Thewaythatpeoplespendtheirmoney,andtheobjects(1)_____whichtheyspendit,arethelastareaswherefreechoiceandind
最新回复
(
0
)