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  3. The protection of endangered species is a highly controversial issue because it affects the interests of certain groups of peopl

The protection of endangered species is a highly controversial issue because it affects the interests of certain groups of peopl

admin2009-06-15  52
问题 The protection of endangered species is a highly controversial issue because it affects the interests of certain groups of people.
Among humanity’s current problems, the chief concern of the scientists is the reduction of biological diversity.
选项 A、Right
B、Wrong
C、Not mentioned
答案A
解析 根据文章第三段所提到的目前科学家所关注的种种变化，我们可以看到无论是臭氧层的破坏，全球变暖，还是人口膨胀，最终都会导致物种不断减少及至灭绝。因此本句所说“在人类当前的问题中，科学家们最关注的是生物物种的减少”与文意相符，故选A。
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