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
In terms of the evolution of life on Earth, human beings have just arrived. 【C1】______ their short time on Earth, however, peopl
In terms of the evolution of life on Earth, human beings have just arrived. 【C1】______ their short time on Earth, however, peopl
admin
2010-06-26
58
问题
In terms of the evolution of life on Earth, human beings have just arrived. 【C1】______ their short time on Earth, however, people have brought about enormous changes to the surface of the planet—changes far out of【C2】______to the interval of time they have【C3】______ it.
With the【C4】______ of intelligence and manual skill, people have found ways to use plant and animal resources, mineral ores, fuels, and so on. As the number of people on Earth increases, it becomes increasingly difficult for the population to survive【C5】______ the resources of the land. The amount of land is limited. Although agricultural production can be increased by use of【C6】______such as tractors and the addition of fertilizer, the land【C7】______can produce only so much food and no more. As the human population grows, people【C8】______ more.
People are only a very small 【C9】______of all the living things on the planet. Yet their numbers create a 【C10】______ on resources that can’t be 【C11】______. For example, the amount of water on Earth is limited; this water is 【C12】______ through natural processes. However, the natural processes for 【C13】______ water can clean only a certain amount of water.【C14】______, a limited amount of petroleum can be found under the Earth’s surface.
All natural systems tend toward 【C15】______ among opposing factors or forces. Human activities can cause or 【C16】______ permanent changes in natural systems. The【C17】______ smoke from thousands of factories has caused enormous air pollution. Cleaning this smoke has【C18】______ the protective ability of natural processes. The forests cannot clean the air fast enough. The twentieth century began with powerful countries competing to take【C19】______ of the Earth. As an outcome of their hunger, the Earth was abused. Now that people are no longer【C20】______ of the causes of the sickness of our planet, they seek ways to rescue the Earth.
【C5】
选项
A、on
B、by
C、with
D、of
答案
A
解析
固定搭配题。survive on表示“靠……活下来,靠……生存”。
转载请注明原文地址:https://kaotiyun.com/show/P21K777K
0
专业英语四级
相关试题推荐
Thousandsofpeopleturnoutintostreetsto______againsttheprojectputforwardbythelocalauthorities.
You______thatlettertoJames.However,youdidn’t.
Theevolutionofsexratiohasproduced,inmostplantsandanimalswithseparatesexes,approximatelyequalnumbersofmalesan
Fromthehealthpointofviewwearelivinginamarvelousage.Weareimmunizedfrombirthagainstmanyofthemostdangerousd
Seafoodcouldbegoingoffalotofmenusastheworldwarms.Morethanhalfofagroupoffish【C1】______forthemarinefoodwe
Seafoodcouldbegoingoffalotofmenusastheworldwarms.Morethanhalfofagroupoffish【C1】______forthemarinefoodwe
Seafoodcouldbegoingoffalotofmenusastheworldwarms.Morethanhalfofagroupoffish【C1】______forthemarinefoodwe
Seafoodcouldbegoingoffalotofmenusastheworldwarms.Morethanhalfofagroupoffish【C1】______forthemarinefoodwe
随机试题
行政机关在作出行政处罚决定之前,应当告知当事人作出行政处罚决定的事实、理由及依据,并告知当事人依法享有的权利。()
A、进行性吞咽困难B、声音嘶哑C、两者均有D、两者均无晚期食管癌的表现_______。
患者,男,34岁。右上6死髓、劈裂,要求拔除。拔除时应采用的麻醉包括
养血柔肝首选补血止血首选
A.增加新陈代谢和白细胞的吞噬功能B.降低痛觉神经的兴奋性,改善血液循环C.热使体表血管扩张,血流量增加D.抑制细胞的活力,使神经末梢的敏感性降低E.降低细菌的活力核细胞的代谢用冷疗可制止炎症扩散的机制是()
FCA价的价格构成是()。
下列关于股份有限公司股票发行的表述中。不符合《公司法》规定的是()。
【2013年德州市市直】我国颁布的第一个现代学制是()。
根据以下资料,回答问题。2011年,我国货物进出口总额达到36421亿美元,比2002年增长4.9倍。在出口总额中,工业制成品占比由2002年的91.2%提高到2011年的94.7%;机电产品由48.2%提高到57.2%;高新技术产品由20.8%
sinx2dx为().
最新回复
(
0
)