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
71
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.
【C19】
选项
A、as
B、about
C、of
D、like
答案
A
解析
such... as是固定搭配,所以选A。
转载请注明原文地址:https://kaotiyun.com/show/lsjd777K
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
AspeciallabattheUniversityofChicagoisbusyonly【C1】______Itisadream【C2】______whereresearchersareatwork【C3】______d
AspeciallabattheUniversityofChicagoisbusyonly【C1】______Itisadream【C2】______whereresearchersareatwork【C3】______d
WhatisMr.Bush’smainpurposeofthetrip?
Whatisthemaintopicoftheconversation?
Whattimeoftheyeardoestheconversationtakeplace?
ReadthefollowingtextsfromanarticleinwhichpeopletalkedaboutEnglishstudy.Forquestions61to65,matchthenameofe
ReadthefollowingtextsfromanarticleinwhichpeopletalkedaboutEnglishstudy.Forquestions61to65,matchthenameofe
GenerationsofAmericanshavebeenbrought【C1】______tobelievethatagoodbreakfastisimportantforhealth.Eatingbreakfast
GenerationsofAmericanshavebeenbrought【C1】______tobelievethatagoodbreakfastisimportantforhealth.Eatingbreakfast
Whataretheman’shobbies?
随机试题
骨肉瘤的好发年龄为:()
背景某宾馆大堂改造装修工程,考虑到施工范围和施工内容较为明确,工期较短,业主与承包商根据《建设工程施工合同(示范文本)》GF一2017—0201签订了固定总价合同。消防系统工程改造内容工程量目前无法确定,合同中约定此部分暂估价为120万元,同时合同约定消
最有助于肺脓肿诊断的症状是
患者,女,症见精神恍惚,心神不宁,悲忧善哭,时时欠伸,舌质淡,苔薄白,脉弦细,属郁证中的哪一证候
肝脏的首过作用是指
该Ig血清中含量水平该Ig之所以对防止新生儿感染有重要意义是因为
国际多式联运经营人可以是:
平等协商的形式包括()。
聪明:愚蠢
A:Howaboutseeingamoviewithmetoday,Alan?B:______
最新回复
(
0
)