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[originaltext] Throughout history man has changed his physical environment in
[originaltext] Throughout history man has changed his physical environment in
游客
2024-06-14
25
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问题
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 wood lands 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 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 ( a very simple plant without stems or leaves that grows in or near water), 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 now necessary for man to limit the growth of technology in order to survive on earth.
选项
A、Bettering his way of life.
B、Improving his surroundings.
C、Modifying the face of the planet.
D、Altering the physical features of the earth.
答案
A
解析
What is the purpose of man has changed his physical environment?
选项均以动名词开头表明,本题考查行为动作。问题询问的是人类改变自然环境的目的,只要听清问题,根据常识,即可判断出答案为[A](为了改善人类的生活方式)。
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