题目内容
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[主观题]
Which of the following demographic growth patterns is most suitable for the long thin powd
er fuse analogy？
A．A virtually stable or slightly decreasing period and then a sudden explosion of population.
B．A slow growth for a long time and then a period of rapid, dramatic increase.
C．Too many people on earth and a few rapid increase in the number added each year.
D．A long period when death rates exceed birthrates and then a short period with higher fertility and lower mortality.
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