单项选择题

The chief reason for the population growth isn't so much a rise in birth rates a fall in death rates as a result of improvements in medical care.

A．but
B．or
C．as
D．and
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单项选择题
Jane is completely under her husband's ______.
A．palm
B．finger
C．thumb
D．fist
单项选择题
These foreign tourists tried to ______ a hard bargain with the local peddler.
A．shape
B．force
C．produce
D．drive
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