单项选择题

How many people are there in Africa infected with HIV

A．40 million.
B．About 28 million.
C．12 million.
D．Less than 28 million.
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单项选择题
What's the aim of the 14th International AIDS Conference
A．To offer aids to the poor countries stricken by AIDS.
B．To ensure the operation of separating.
C．To popularize the mandatory testing.
D．To enhance people's awareness of the threat of AIDS to the society.
单项选择题
If without major rescue, how many people would die of AIDS in the next 20 years
A．20 million.
B．30 million.
C．40 million.
D．60 million.
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