题目内容
（请给出正确答案）
【B12】
A．the number of
B．the amount of
C．a number of
D．an amount of
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【B12】
A．not many as
B．in less than
C．up to
D．with the number of
【B12】
A．a number of
B．the number of
C．number of
D．numbers of
【B12】
A．the following moment
B．the next moment
C．for a moment
D．just a moment
【C10】
A．the amount
B．any amount
C．the number
D．a number
【B10】
A．the amount
B．any amount
C．the number
D．a number
【B12】
A．the just thing
B．the very mean
C．some methods
D．the best way
A．The proportion
B．A proportion
C．The number
D．A number
A.the number of
B.the amount of
C.a number of
D.an amount of
From Paragraph 5 we can learn that ______.
A．the number of segregated smokers is on the rise
B．the number of male smokers is decreasing gradually
C．the number of female smokers is increasing now
D．the number of nonsmokers is larger than that of smokers
