单项选择题

Why is pulp and paper production important to Canada

A．Canada needs to find a way to use all its spare wood.
B．Canada publishes a lot of newspapers and books.
C．Pulp and paper export is a major source of income for Canada.
D．Hemp is a traditional plant of Canada.

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热门试题

单项选择题

Why 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 causes less pollution of the environment.

单项选择题

According to its proponents, four times as much paper can be produced from land using hemp rather than trees. —What does proponents mean

A．People who are against something.
B．People who support something.
C．People in charge of something.
D．People who do research on something.