首页
登录
职称英语
【B1】 [br] 【B2】 [originaltext] Throughout history man has changed his physical
【B1】 [br] 【B2】 [originaltext] Throughout history man has changed his physical
游客
2024-03-04
32
管理
问题
【B1】 [br] 【B2】
Throughout history man has changed his physical environment in order to improve his way of life. With the tools of technology he has altered many physical features of the earth. He has transformed woodlands into farmland, and made lakes and reservoirs out of rivers for irrigation purposes or hydroelectric power. Man has also modified the face of the earth by draining marshes and cutting through mountains to build roads and railways.
However, man’s changes to the physical environment have not always had beneficial results. Today, pollution of the air and water is an increasing danger to the health of the planet. Each day thousands of tons of gases come out of the exhausts of motor vehicles, smoke from factories pollutes the air of the industrialized areas and the surrounding areas of countryside. The air in cities is becoming increasingly unhealthy.
The pollution of water is equally harmful. In the sea, pollution from oil is increasing and is killing enormous numbers of algae, fish and birds. The whole ecological balance of the sea is being changed. The same problem exists in rivers. Industrial wastes have already made many rivers lifeless.
Conservationists believe that it is necessary for man to limit the growth of technology in order to survive on earth.
选项
答案
altered
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3504905.html
相关试题推荐
[originaltext]Allpartsofourbodyage.Andourbraindoestoo.Now,howev
[originaltext]Allpartsofourbodyage.Andourbraindoestoo.Now,howev
[originaltext]Allpartsofourbodyage.Andourbraindoestoo.Now,howev
[originaltext]Hello,ladiesandgentlemen.Welcometotoday’slecture.Firs
[originaltext]Hello,ladiesandgentlemen.Welcometotoday’slecture.Firs
[originaltext]Moderator:Hello,ladiesandgentlemen.Itgivesmegreat
[originaltext]Readersusingelectronicbooksarelesslikelytoabsorbwhat
[originaltext]Readersusingelectronicbooksarelesslikelytoabsorbwhat
[originaltext]Everyyeararoundnow,tensofthousandsofDVDsofmoviesst
[originaltext]W:Agoodresumepredictshowyoumightperforminthatdesiredf
随机试题
Howdopeoplecelebratethatfestivalinyourcountry? Inthisfestival,people
甲公司和乙公司均为手机生产商。甲公司规模大,市场占有率高,乙公司规模小,但是有一
根据《物权法》的规定,可以质押的权利包括( )。A.汇票、支票、本票、债券 B
女性,55岁。右耳垂下无痛性肿块逐渐缓慢长大6年。触诊肿块界线清楚,活动,约4c
关于对ARDS患者的治疗原则,下列不正确的是()。A.延长机械通气时间 B.选
根据《政府采购货物和服务招标投标管理办法》的规定,属于综合评估法的有()A.最
来源于橘属(Citrus)植物的中药材有A.枳壳 B.陈皮 C.青皮 D.
银行承兑汇票的承兑银行,应当按照票面金额向出票人收取()的手续费。A:千分之一
(2018年真题) 【背景资料】 某开发商投资兴建办公楼工程,建筑面积96
某工程基础平面图如图6.I.1所示,现浇钢筋混凝土带形基础、独立基础的尺寸如图6
最新回复
(
0
)