The best title for this passage would be ______? What does the second paragraph tell us?

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问题 The best title for this passage would be ______?
What does the second paragraph tell us?

选项 A、Environmental pollution may have far-reaching consequences.
B、Any or all of these ecosystem functions may be impaired or destroyed by pollution.
C、Ecosystems perform many important services for the earth’s environment.
D、Pollution also has a great influence on natural resources.

答案D

解析 第二段的中心实际上就是段落的第一句:污染对自然资源破坏严重,然后举例加以说明,并且用了一个“moreover”来进一步阐述。
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