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【单选题】

In the United States, the need to protect plant and animal species has become a highly controversial and sharply political issue since the passage of the Enered Species Act in 1973.The act, designed to protect species' living areas, and policies that preserve land and forests compete with economic interests.In the 1990's, for example, the woodcutters in the Western United States were challenged legally in their attempt to cut trees for timber in the Cascade Mountains, The challenge was mounted to protect the enered spotted owl (猫头鹰), whose remaining population occupies these forests and requires the intact, ancient forest for survival.The problematic situation set the interests of environmentalists against those of corporations and of individuals who stood to lose jobs.After months of debate and legal battles, the fate of the woodcutters and the owls was still undecided in mid- 1992.
Similar tensions exist between the developed and the developing nations.Many people in industrialized nations, for example, believe that developing nations in tropical regions should do more to protect their rain forests and other natural areas.But the developing countries may be impoverished (使穷困), with populations growing so rapidly that using the land is a means to temporarily avoid worsening poverty and starvation.
Many of the changes to Earth that concern scientists have the potential to rob the planet of its biological richness.The destruction of Earth's ozone layer (臭氧层), for example, could contribute to the general process of impoverishment by allowing ultraviolet rays to harm plants and animals.And global warming could wipe out species unable to quickly adapt to control human population, stabilize the composition of the atmosphere, and preserve intact Earth's complex web of life.
Why does the author say that the protection of enered species is a highly controversial issue?

A.
Because people can't agree as to what species to protect.
B.
Because it is difficult to find an effective way to protect such species.
C.
Because it affects the interests of certain groups of people.
D.
Because it is a major problem involving a series of legal procedures.
题目标签:臭氧层
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参考解析:
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举一反三

【单选题】臭氧层的作用是()。

A.
用于人类呼吸
B.
阻挡紫外线对人类的侵害
C.
吸收有害气体
D.
维持生态平衡

【单选题】列与保护臭氧层有关的是()。

A.
蒙特利尔议定书
B.
巴塞尔公约
C.
保护臭氧层维也纳公约
D.
关贸总协定

【多选题】臭氧层的作用

A.
保护作用
B.
加热作用
C.
温室气体的作用
D.
电离层的作用
E.
垂直对流作用

【单选题】可破坏臭氧层的是

A.
一氧化碳
B.
二氧化碳
C.
氯氟烃(又称氟利昂)
D.
二氧化硫
E.
硫化氢

【单选题】破坏臭氧层的物质主要是

A.
氟利昂
B.
二氧化碳
C.
酸雨
D.
紫外线

【单选题】In the United States, the need to protect plant and animal species has become a highly controversial and sharply political issue since the passage of the Enered Species Act in 1973.The act, design...

A.
Because people can't agree as to what species to protect.
B.
Because it is difficult to find an effective way to protect such species.
C.
Because it affects the interests of certain groups of people.
D.
Because it is a major problem involving a series of legal procedures.

【单选题】臭氧层的破坏主要的原因是

A.
不可回收塑料的大量使用
B.
氟利昂的使用
C.
垃圾处理不当
D.
二氧化碳排放过多

【单选题】臭氧层:气候变暖

A.
偷猎:物种灭绝
B.
森林:水土流失
C.
干旱:土地沙化
D.
酸雨:水源污染

【单选题】破坏臭氧层的主要污染源是()

A.
工厂、家庭用炉灶燃烧矿物燃料
B.
有色金属冶炼工业排放的废气
C.
汽车尾气
D.
工业生产及家庭广泛使用电冰箱和空调释放的氯氟烃化合物

【单选题】Passage One At the Kyoto conference on global warming in December 1997, it became abundantly clear how complex it has become to work out international agreements relating to the en...

A.
it is always difficult to work out international agreements to cut down emissions harmful to the ozone layer
B.
it is no longer easy to reach international agreements relating to the environment
C.
the world has recently become aware of the threat of global warming
D.
the problem of global warming has largely been solved

【单选题】“国际臭氧层保护日”是()。

A.
2018-06-05
B.
2018-04-22
C.
2018-09-16
D.
2018-11-15

【单选题】In the United States, the need to protect plant and animal species has become a highly controversial and sharply political issue since the passage of the Enered Species Act in 1973. The act, desig...

A.
to describe the difficulties in solving humanity's current problems
B.
to present the different views on humanity's current problems
C.
to yze the contradiction between countries in dealing with humanity's current problems
D.
to point out that humanity's current problems can only be solved through the cooperation of nations
相关题目:
【单选题】臭氧层的作用是()。
A.
用于人类呼吸
B.
阻挡紫外线对人类的侵害
C.
吸收有害气体
D.
维持生态平衡
【单选题】列与保护臭氧层有关的是()。
A.
蒙特利尔议定书
B.
巴塞尔公约
C.
保护臭氧层维也纳公约
D.
关贸总协定
【多选题】臭氧层的作用
A.
保护作用
B.
加热作用
C.
温室气体的作用
D.
电离层的作用
E.
垂直对流作用
【单选题】可破坏臭氧层的是
A.
一氧化碳
B.
二氧化碳
C.
氯氟烃(又称氟利昂)
D.
二氧化硫
E.
硫化氢
【单选题】破坏臭氧层的物质主要是
A.
氟利昂
B.
二氧化碳
C.
酸雨
D.
紫外线
【单选题】In the United States, the need to protect plant and animal species has become a highly controversial and sharply political issue since the passage of the Enered Species Act in 1973.The act, design...
A.
Because people can't agree as to what species to protect.
B.
Because it is difficult to find an effective way to protect such species.
C.
Because it affects the interests of certain groups of people.
D.
Because it is a major problem involving a series of legal procedures.
【单选题】臭氧层的破坏主要的原因是
A.
不可回收塑料的大量使用
B.
氟利昂的使用
C.
垃圾处理不当
D.
二氧化碳排放过多
【单选题】臭氧层:气候变暖
A.
偷猎:物种灭绝
B.
森林:水土流失
C.
干旱:土地沙化
D.
酸雨:水源污染
【单选题】破坏臭氧层的主要污染源是()
A.
工厂、家庭用炉灶燃烧矿物燃料
B.
有色金属冶炼工业排放的废气
C.
汽车尾气
D.
工业生产及家庭广泛使用电冰箱和空调释放的氯氟烃化合物
【单选题】Passage One At the Kyoto conference on global warming in December 1997, it became abundantly clear how complex it has become to work out international agreements relating to the en...
A.
it is always difficult to work out international agreements to cut down emissions harmful to the ozone layer
B.
it is no longer easy to reach international agreements relating to the environment
C.
the world has recently become aware of the threat of global warming
D.
the problem of global warming has largely been solved
【单选题】“国际臭氧层保护日”是()。
A.
2018-06-05
B.
2018-04-22
C.
2018-09-16
D.
2018-11-15
【单选题】In the United States, the need to protect plant and animal species has become a highly controversial and sharply political issue since the passage of the Enered Species Act in 1973. The act, desig...
A.
to describe the difficulties in solving humanity's current problems
B.
to present the different views on humanity's current problems
C.
to yze the contradiction between countries in dealing with humanity's current problems
D.
to point out that humanity's current problems can only be solved through the cooperation of nations