正确答案: B

苎麻

题目：为我国重要纤维作物，产量居世界第一位。

解析：B

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举一反三的答案和解析：

[单选题]

spotted

[单选题]According to the writer, what eventually brought about the disappearance of the park?

The decisions of the city.

[单选题]It can be inferred from the passage that

it seems possible for every household to cut emissions of CO2

[单选题]听第8材料，回答 10～12 题。第10题：How long has the man been in London?

A few years.