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
2024-10-21
44
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] 【C6】
选项
A、mechanics
B、mechanism
C、machinery
D、manufacture
答案
C
解析
形近词辨析题。[A]mechanics“力学”;[B]mechanism“机构,机制”;[C]machinery“机械,机器”;[D]manufacture“制造,产品”。由于tractor“拖拉机”属于机械,所以[C]machinery是答案。
转载请注明原文地址:https://tihaiku.com/zcyy/3810670.html
相关试题推荐
IntermsoftheevolutionoflifeonEarth,humanbeingshavejustarrived.
IntermsoftheevolutionoflifeonEarth,humanbeingshavejustarrived.
IntermsoftheevolutionoflifeonEarth,humanbeingshavejustarrived.
IntermsoftheevolutionoflifeonEarth,humanbeingshavejustarrived.
IntermsoftheevolutionoflifeonEarth,humanbeingshavejustarrived.
IntermsoftheevolutionoflifeonEarth,humanbeingshavejustarrived.
IntermsoftheevolutionoflifeonEarth,humanbeingshavejustarrived.
IntermsoftheevolutionoflifeonEarth,humanbeingshavejustarrived.
EversincehumanbeingshaveinhabitedtheEarth,earthquakeshaveplaguedo
EversincehumanbeingshaveinhabitedtheEarth,earthquakeshaveplaguedo
随机试题
HallmarkCardsInc.hasbeendescribedastheGeneralMotorsofemotion.Eac
Whatdodietingandenergypolicyhaveincommon?TheSnackWelleffect.The
Inthepassage,successfulbusinessmenandpoorparentsboth[originaltext]H
《注册消防工程师制度暂行规定》对注册执业进行了规定:取得注册消防工程师资格证书的
正常人皮质醇分泌节律为A.清晨最高,午夜最低 B.下午最高,午夜最低 C.午
ALA合酶的辅基是A、维生素PP B、磷酸吡哆醛 C、维生素B12 D、维
祛风湿药的主要功效是()A.祛除风湿,舒筋活络 B.祛除风湿,活血止
243,217,206,197,171,(),151A.160 B.158
关于改革开放初期原有“四大专业银行”分工的下列说法中错误的是( )。A.中国工
先履行抗辩权是指在合同成立以后,后履行一方当事人财产状况恶化,有可能不能履行其债
最新回复
(
0
)