单项选择题

Passage One Questions 26 to 28 are based on the passage you have just heard.

A．Around 2 million.
B．Around 30,000.
C．Around 20,000.
D．Around 10,000.

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The______refers to the average number of children women will bear in their lifetime.

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______, not white and non-Hispanic, constitutes one-fourth of the present U.S. population.

Passage One Questions 26 to 28 are based on the passage you have just heard. 您的浏览器不支持 audio 元素。