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[originaltext] Throughout history man has changed his physical environment i
[originaltext] Throughout history man has changed his physical environment i
游客
2023-07-07
19
管理
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 industrialised 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 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.
Questions 23 to 25 are based on the passage you have just heard.
23. What is the purpose of man changing his physical environment?
24. When is the ecological balance of the sea lost?
25. Who would most probably disagree with conservationists?
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
短文开头提到…man has changed hisphysical environment in order to improve his wayof life(……人类改造自然环境是为了改善自身的生活方式),A)中的bettering与短文中的improve同义,故为答案。
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