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
An animal species becomes extinct when it fails to produce enough young in each generation to keep pace with the death-rate. We
An animal species becomes extinct when it fails to produce enough young in each generation to keep pace with the death-rate. We
admin
2011-03-01
65
问题
An animal species becomes extinct when it fails to produce enough young in each generation to keep pace with the death-rate. We can【C1】______from fossil evidence in rocks that many living species have become extinct over the millions of years【C2】______life began. It is a natural【C3】______and extinction is the【C4】______of any animal that has specialized too far to change【C5】______its environment changes, or has to compete with a better-【C6】______and more powerful animal.【C7】______remarkable technical developments during the past few centuries, man has destroyed or【C8】______destroyed some species by killing them【C9】______such a rate that they couldn’t produce enough offspring, or by completely changing their natural environment at surprising speed.
A number of examples can be given of the way【C10】______which natural environments are being rapidly changed—Amazonia, for instance. There is every【C11】______that many species of animals will be made extinct because of these and similar【C12】______of natural vegetation. Large numbers of animals have been hunted and killed for food. The North American buffalo is a【C13】______of the near-extinction of a species through hunting. Often the numbers are【C14】______great that the hunters may not realize the danger. But even when the danger is widely【C15】______, the financial rewards for the hunters may be so great that they choose to【C16】______the threat to the species. Attitudes like this have【C17】______to hunters killing animals for furs, for ivory or merely for ornaments. A slight【C18】______on this is when tourists hunt animals for trophies. Such magnificent creatures【C19】______lions and tigers【C20】______out of existence in some parts of the world.
【C4】
选项
A、defect
B、fault
C、destination
D、fate
答案
D
解析
A选项defect“缺点”,B选项fault“错误”,C选项destination“灭绝”,D选项fate“命运”。
转载请注明原文地址:https://kaotiyun.com/show/Eojd777K
本试题收录于:
公共英语三级笔试题库公共英语(PETS)分类
0
公共英语三级笔试
公共英语(PETS)
相关试题推荐
WhatisMr.Bush’smainpurposeofthetrip?
Readthefollowingarticleinwhichfivepeopletalkabouttheirideasofmarriage.Forquestions61to65,Matchnameofeachs
Aseverytravelersoonfindsout,itisimportanttoknowthelocaltime.【C1】______untilthelastcentury,everytownandvillag
Packagingisaveryimportantformofadvertising.Apackagecansometimesmotivatepeopletobuyproducts.Forexample,asmall
Finishingteacher’sevaluationsneedmaturityandobjectivity.Everysemesterwehavetheopportunitytoevaluateourinstruct
Theevolutionofartificialintelligenceisnowproceedingsorapidlythat【C1】______theendofthecenturycheapcomputers【C2】__
Theevolutionofartificialintelligenceisnowproceedingsorapidlythat【C1】______theendofthecenturycheapcomputers【C2】__
Whataretheman’shobbies?
Whenmywife,whoisaSpanishspentherfirstwinterinLondonafewyearsago,sheusedtoaskmetimeandagain,"Where’sthe
Whatisthemansuggesting?
随机试题
ShouldWeTraceandReclaimCulturalRelicsLostOverseas?1.有人赞同到海外追回流失的文物;2.有人则反对;3.你的看法。
急性心肌梗塞患者治愈后,无心绞痛发作,至少多长时间后可行腹部择期手术?()
A.地黄、菊花B.人参、五味子C.薄荷、苍术D.陈皮、砂仁产于东北的道地药材是
某幼儿园组织小朋友看电视,途中教师甲因取东西暂时离开,小孩乙将一硬物掷向电视机,致使电视机爆炸,溅起的碎片同时将另几名小孩划伤,造成电视机损失3000元,受伤小孩治疗费用8000元。该损失应由谁赔偿?
建设部《房地产开发企业资质管理规定》规定,一级资质房地产开发企业资质注册资本应在2000万元以上。()
某公司推出A、B两种新产品,产品A售价为X元,本月售出了Y件;产品B售价为Y元。本月A、B两种产品共售出500件,且产品A的销量为产品B的3倍多,产品A的销售额为1万元。问A、B两种产品本月可能的最高销售总额最接近下列哪个值?()
阅读下列说明,回答问题1至问题4,将解答填入答题纸的对应栏内。【说明】经项目预算管理部门批准,某省人力资源和社会保障厅启动了社会保障核心平台及社会保障卡系统建设项目。建设任务涉及到应用系统开发(含卡管理系统开发)、系统集成、卡片制作等工作,主要
在无线通信中不能采用CSMA/CD方式,这是因为无线通信存在(16),采用 CSMA/CA技术是指(17),MAC层的分布式协调功能提供(18),站点发出的确认帧ACK,要在(19)间隔发送。为解决隐蔽站带来的问题,802.11允许(20)。
计算机的硬件和______是相辅相成的,并且在一定的条件下,两者可以相互转换,
Completethetablebelow.WriteONEWORDAND/ORNUMBERSforeachanswer.
最新回复
(
0
)