Why is pulp and paper production important to Canada? Why was hemp banned?

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问题 Why is pulp and paper production important to Canada?
Why was hemp banned?

选项 A、It is related to the marijuana plant.        
B、It can be used to produce marijuana.
C、It was no longer a useful crop.
D、It was destructive to the land.

答案A

解析 细节考查题。原文第三段第二句话"This plant, so useful for fibre, rope, oil, fuel and textiles, is a species of cannabis, related to the plant from which marijuana is produced"说这种植物非常有用,可以制成纤维、绳索、油类、燃料和织物,但它是大麻属的一种植物,与制成大麻毒品的植物种类相近,所以答案A是正确答案。原文中还说麻并不能制造大麻毒品,因此答案 B麻可以制成大麻毒品明显是错误的,C麻不再有用也与原文不符,D麻对土地具破坏性在原文中并未提到,相反种麻可以减少树木砍伐量,从而保护环境。
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