单项选择题

Many deaths during childbirth could be prevented by the following methods EXCEPT ______.

A．by passing virus to the babies
B．by using medicines
C．by improving health condition
D．by vaccine inoculation
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单项选择题
By the year 2015, the number of women dying in childbirth is hoped to be reduced by ______.
A．2/3
B．3/4
C．1/2
D．1/3
单项选择题
Japan's demand for imports last month ______.
A．continued to increase
B．continued to decrease
C．unchanged
D．jumped
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