单项选择题

It is estimated that 150,000 women die a year because of______.

A．unsafe blood
B．risky sexual encounters
C．loss of blood during pregnancy related-illnesses
D．blood transfusions
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单项选择题
China and Russia have______.
A．criticized US plans to build a missile shield
B．promised further space cooperation
C．proposed a new treaty to ban nuclear tests
D．cooperated a space defense system
单项选择题
What is the purpose of the meeting
A．To determine who will be in the play.
B．To determine the details of the volunteers.
C．To choose the director of the play.
D．To start planning for the play.
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