单项选择题

Which of the following demographic growth pattern 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 exceeds birthrates and then a short period with higher fertility and lower mortality.

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单项选择题

It can be inferred from the first paragraph that _________.

A．a sense of mastery is more important than a sense of pleasure for women
B．a sense of pleasure is more important than a sense of mastery for women
C．women can't have a sense of mastery and a sense of pleasure at the same time
D．a sense of mastery and a sense of pleasure are both indispensable to women

单项选择题

According to the passage, when a successful career woman's mother died,_________.

A．her sense of mastery and sense of pleasure was severely off balance
B．her sense of mastery would be affected by her sense of pleasure
C．her sense of pleasure would be improved by her sense of mastery
D．her sense of pleasure was to the lowest pitch