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单项选择题

Questions 11 to 18 are based on the conversation you have just heard.

A．Mary is worthy of the prize.
B．Mary has granted the prize.
C．Mary fails in the speech contest.
D．The man doesn’t think Mary deserves the prize.

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单项选择题Which statement is TRUE about population increase

A．There might be an increase of 2.2 billion persons from 1975 to the year 2000.
B．About 50,000 babies are born annually at present.
C．Between 8000 B.C. and the present, the population increase is about 80,000,000 persons each year.
D．The population increased faster between 8000 B.C. and 1650 than between 1650 and the present.

单项选择题Which of the following demographic growth patterns is most suitable for the long thin powder 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.