单项选择题

What is the main purpose of the speech().

A. To explain scientific knowledge.
B. To call on people to act.
C. To introduce a saying.

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How many ways of reducing harm are mentioned().

A. Four.
B. Three.
C. Two.
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There are () dressmakers in the US than in European countries.

A. far fewer
B. so fewer
C. very fewer
D. too fewer
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