单项选择题

In Africa, people in cities will be ______ by the end of the century.

A．almost twice as much as in 1985
B．doubled than that in 1985
C．over twice as much as in 1985
D．300 million
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单项选择题
If the urban popluation of the developing countries exceeds 2 billion people by the year 2000, the additional people will face the problem of ______.
A．housing
B．food
C．poverty
D．limited land
单项选择题
According to the passage about US $ 116 billion are required to give minimum comfort to these people by the turn of the century--less than US $ 10 billion per year , do you think which year was the article written
A．1985.
B．1990.
C．1988.
D．1987.
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