The main cause of pollution is ______. What does the underlined word "litter" mean in Paragraph 2?

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问题 The main cause of pollution is ______.
What does the underlined word "litter" mean in Paragraph 2?

选项 A、Not many.
B、Serious problem.
C、Bits of waste things.
D、Industrial pollution.

答案C

解析 litter“垃圾”。C项“废物”正确。

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成人本科学位英语

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