单项选择题

Why was hemp banned

A．It is related to the marijuana plant.
B．It can be used to produce marijuana.
C．It was not longer a useful crop.
D．It was destructive to the land.
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单项选择题
Way do agriculturalists think that hemp would be better for paper production than trees
A．It is cheaper to grow hemp than to cut down trees.
B．More paper can be produced from the same area of land.
C．Hemp produces higher quality paper.
D．It is easier to find hemp than to find trees.
单项选择题
What drug can be obtained from a relative of hemp
A．Cocaine.
B．Heroin.
C．Amphetamine.
D．Marijuana.
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