首页
登录
职称英语
Should we care if over 150 known species of animals have【C1】______from the e
Should we care if over 150 known species of animals have【C1】______from the e
游客
2025-01-22
19
管理
问题
Should we care if over 150 known species of animals have【C1】______from the earth in the last fifty years? Should we be concerned that there are【C2】______thousands of species whose very existence is【C3】______endangered—largely because of our activities?【C4】______, after all, is the natural end of populations. Species are born, then【C5】______, and then die. Some live a【C6】______time, perhaps millions of years; some die more quickly. We have【C7】______the extinction of many species we know about, and we have undoubtedly sealed the【C8】______of others. In fact, there are undoubtedly many other species that have lived among us during our time on earth, but that have disappeared as a(n) 【C9】______of our activities without our ever having known they existed.
It is hard to explain the rationale of many of us who are concerned about such matters. I have never seen a sea whale,【C10】______I don’ t want them to become extinct. Moreover, I felt this way long before I understood anything about how they might be an important part of an ecosystem. Possibly such feelings merely reflect the cultural attitude that it is "nice" to wish other living things well; thus, the attitude is【C11】______. I feel nice.
There are, of course, more rational reasons for【C12】______the extermination of any species. For one thing, the kind of attitude that encourages or sanctions the destruction of other species is a threat【C13】______our own wellbeing. If such an attitude exists, we ourselves might【C14】______victim to it. living things(including us)might be expected to fare better where there is【C15】______for life. The extinction of other species could also threaten us【C16】______by simplifying the system of which we are a part or by destroying parts of the ecosystem【C17】______which we directly rely. For example, if we continue to poison the oceans【C18】______we are willing to believe only a few bottom dwellers are affected, we might【C19】______overstep some critical threshold and trigger the wholesale death of plankton, thus finding ourselves without a major【C20】______of the world’s food and with our oxygen supplies dwindling. [br] 【C16】
选项
A、seemingly
B、indirectly
C、certainly
D、conveniently
答案
B
解析
从整个句子看物种灭绝对人类的影响是以间接方式进行的,所以用indirectly。
转载请注明原文地址:https://tihaiku.com/zcyy/3923179.html
相关试题推荐
Thechildrenshouldsay"thankyou"toyouwhenyougavethemgifts.A、hadsaidB
Humanbeingsaresuperiortoanimalsthattheycanuselanguageasatoolofcom
AnumberofanimalsinAesop’sfablesareportrayedasbeingcrafty.A、vainB、vi
Ingeneral,theamountthatastudentspendsforhousingshouldbeheld______to
Humanbeingsaresuperiortoanimalsthattheycanuselanguageasatoolofcom
Forthesuccessoftheproject,thecompanyshould______themostoftheopportun
Animalsthatcouldnot______themselvestothechangedenvironmentperishedandt
Themostsignificantmeasureweshouldtaketostopterroristsisto______themo
Thedoctor’s______wasthatsheshouldgoandseethespecialistinthisfield.A、
Peoplewhosepropertyisstolenshouldreporttothepolice.A、hadstolenB、isbe
随机试题
[originaltext]M:TomisgoingtoworkintheFloridaforthesummer.W:Canhe
TheAmericaneconomicsystemisorganizedaroundabasicallyprivate-enterpr
氯丙嗪的抗精神病作用主要通过阻断_____________和__________
重4kg吊灯应固定在( )。A.吊顶饰面板上 B.次龙骨上 C.主龙骨上
以下关于验收测试的叙述中,不正确的是( )。A.验收测试由开发方主导,用户参与
Ifglobalwarminggoesonlikethis,Mal
做好食品安全工作,必须坚持预防为主、关口前移。各地、各部门要继续加强食品安全风险
2020年末全国城市公共汽电车运营线路70643条,比上年末增加4913条,运营
下列说法中正确的是()。单选A.色觉有缺陷的人一般不能说出物体的颜色 B.
国际储备中,在货币基金组织的普通账户中会员国可以自由提取使用的资产是()。A.
最新回复
(
0
)