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
Ecology is the science of how living creatures and plants exist together and depend on each other and on the local environment.
Ecology is the science of how living creatures and plants exist together and depend on each other and on the local environment.
admin
2022-02-12
40
问题
Ecology is the science of how living creatures and plants exist together and depend on each other and on the local environment. Where an environment is undisturbed, the ecology of an area is【C1】________ balance, but if a creature is exterminated (灭绝) or an alien (异类) species【C2】________, then the balance of nature will be【C3】________.
Man is a part of the【C4】________and has done more to upset the ecology during【C5】________short span on earth than【C6】________other living creature. He has done this by his ignorance, his【C7】________, his thoughtless foolishness and his uncontrolled wastefulness. He has poisoned the【C8】________and polluted both land and water. He has wasted the earth’s natural resources with no【C9】________for the future, and has thought out the most devastating ways of killing his fellow men and every other sort of life at the same time.
Since man has done so much【C10】________, it is【C11】________to man to try to put matters right—if it is not already too【C12】________.If there is to be any remedy for our ills, that remedy ultimately lies in the hands of the【C13】________, and the sooner they start doing something about it, the【C14】________.
One of the main【C15】________of the earth’s troubles is that the world is overpopulated and that this overpopulation is growing【C16】________an ever-increasing rate. At the same time we are【C17】________up our natural resources—fuels and mineral ores—at an ever-increasing speed with no hope of replacing them. For many years the earth has been unable to【C18】________enough food for these rapidly expanding populations and the position is steadily deteriorating【C19】________the fertility of some of our richest soils has been lost and vast areas that were【C20】________fertile lands have turned into barren deserts.
【C18】
选项
A、provide
B、support
C、supply
答案
A
解析
provide sth. for意为“为……提供”,而supply的意思是“供应,供给;满足,弥补”,根据句意应选前者,故选A。
转载请注明原文地址:https://jikaoti.com/ti/4mzYFFFM
0
成人本科学位英语
相关试题推荐
Herideawastogetnewmemberstojointheorganization.
A、 B、 C、 D、 C本题考查goondoingsth.的用法。C项中应该省略to。
Inancienttimesthemostimportantexaminationswerespoken,notwritten.IntheschoolsofancientGreeceandRome,testingus
Don’tworryifyoucan’tunderstandeverything.Theteacherwill______themainpointsattheend.
Sincethebeginningofhistory,manhasbeenattractedbytheideaoflivingforever,ofwinningthefightagainstdeathanddis
Iarrivedlate,I______thetraffictobesoheavythismorning.
Televisionhaschangedthelifestyleofpeopleineveryindustrializedcountryintheworld.IntheUnitedStates,wheresociolo
Notallmemoriesaresweet.Somepeoplespendalltheirlivestryingtoforgetbadexperiences.Violenceandtrafficaccidentsc
ItwasachillyNovembereveninginNewYorkCity,andmydaughterandIwerewalkingupBroadway.Noranoticedaguysittingin
随机试题
A.胰岛素B.高血糖素C.胰多肽D.生长抑素胰岛B细胞分泌
下列激素不是下丘脑分泌的激素是
传染病流行过程的基本条件
在压力容器受压元件的内部,常常存在着不易发现的缺陷,需要采用无损检测的方法进行探查。射线检测和超声波检测是两种常用于检测材料内部缺陷的无损检测方法。下列关于这两种无损检测方法特点的说法中,错误的是()。
下列不属于城市总体规划中供热工程规划内容的是()
下列关于消费金融公司说法正确的是()。
2016年4月4日,甲公司从乙银行借款80万元,用于购置A型号自行车1000辆,借款期限自2016年4月4日至2016年6月4日,并以价值90万元的自有房屋一套为乙银行设定抵押,同时,乙银行与丙公司签订书面保证合同,约定丙公司为甲公司的借款承担连带保证责
一个心理健康的人,必须保持自尊。一个人只有受到自己所尊敬的人的尊敬,才能保持自尊;而一个用“追星”方式来表达自己尊敬情感的人,不可能受到自己所尊敬的人的尊敬。以下哪项结论可以从题干的断定中推出?
二阶矩阵A有两个不同特征值,α1,α2是A的线性无关的特征向量,且A2(α1+α2)=α1+α2,则|A|=_______.
Youaregoingtoreadatextaboutbasicelementinbothspeakingandwriting,followedbyalistofexamplesandexplanations.
最新回复
(
0
)