单项选择题

If we take immediate action, the population in the southern parts _________.

A．would not stop growing.
B．would level off in fifty years.
C．could stabilize in about seventy-five years.
D．could soon be brought under control.
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单项选择题
World petrol reserves will be used up by 1985 if _________.
A．Western European consumption continues to expand
B．South-East Asia does not limit its consumption.
C．underdeveloped countries start to consume petrol the same rate as Western Europe.
D．world population continues to expand.
单项选择题
The author seems to think that _________.
A．natural resources might not be enough to meet the needs of world economy.
B．the supply of raw materials will increase by 500 percent.
C．the underdeveloped countries should not consume as much petrol s the industrialized areas.
D．world economy should not grow so rapidly.
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