单项选择题

The _______mortality rate had gone up greatly during the past 10 years.

A．infant
B．maternal
C．male
D．middle-aged
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单项选择题
All the communists______ the people instead of being served by the people.
A．are supposed to serve
B．are opposed to serving
C．are subjected to serving
D．object to serving
单项选择题
A．applicationB．useC．utilityD．usage
A．application
B．use
C．utility
D．usage
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