首页
登录
职称英语
In terms of the evolution of life on Earth, human beings have just arrived.
In terms of the evolution of life on Earth, human beings have just arrived.
游客
2023-11-17
40
管理
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. [br] 【C7】
选项
A、ultimately
B、previously
C、currently
D、thereby
答案
A
解析
副词辨析题。句意为:虽然使用拖拉机等机械以及使用化肥可以提高农业产量,但是土地最终所能产出的粮食只有那么多,不会再增加。[A]ultimately“最终”;[B]previously“先前”;[C]currently“当前”;[D]thereby“从而,因此”。所以[A]是答案。
转载请注明原文地址:https://tihaiku.com/zcyy/3196109.html
相关试题推荐
Whydidhumanbeingsbegintogrowcropsandraiselivestock?[br][originaltex
Whydidhumanbeingsbegintogrowcropsandraiselivestock?[originaltext]W
Humanbeingshaveusedtoolsforaverylongtime.Insomepartsofthewor
Friendshipisforeveratopicforhumanbeings.Howdoyouview"friendship"?
Theevolutionofsexratiohasproduced,inmostplantsandanimalswithse
Theevolutionofsexratiohasproduced,inmostplantsandanimalswithse
Theevolutionofsexratiohasproduced,inmostplantsandanimalswithse
Likeotherformsoflifeonthisplanet,humanbeingsfaceabasictask:to
Likeotherformsoflifeonthisplanet,humanbeingsfaceabasictask:to
Likeotherformsoflifeonthisplanet,humanbeingsfaceabasictask:to
随机试题
Schoolsarenotjustamicrocosm(缩影)ofsociety;theymediateittoo.Thebe
[originaltext]M:Emily,you’reasenioratCityUniversityandyoumustbethin
媒体公关能力和财务管理能力是从事艺人经纪应该具备的基本职业技能。()
Inordertopreventdesertification,the
单层建筑物的建筑面积计算规定是()。A.按建筑物外墙勒脚以上的外围水平面
(2015年5月)( )属于企业全员培训的外部环境因素。A.培训者 B.培训
埃及新王国的建立者是()A.埃赫那吞 B.图特摩斯一世 C.图特摩斯三世
小王因购买一辆二手个人汽车向银行申请个人汽车贷款。经有关机构评估,该车的现值为
A.吐温类 B.司盘类 C.卵磷脂 D.季铵化物 E.肥皂类可作为油/水
在决策电信业务资费以回收成本时,通常把成本区分为()。A:固定成本和混合成本
最新回复
(
0
)