单项选择题

The first sentence in Paragraph 1 means ______.

A．no two people need exactly the same amount of living space
B．living space requirements are not always the same
C．the world requires the same amount of living space
D．nobody needs a required amount of living space

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单项选择题

Which of the following is true according to the passage

A．Many people know almost everything about nutrition.
B．Food, such as rice, bread and potatoes, makes people fat.
C．Vegetables grown in poor, worn-out soil may are not worse than those grown in rich soil.
D．Fresh vegetables cooked at home are always better.

单项选择题

The police were polite, too, because ______.

A．they didn't think the man was a thief
B．the man was old and very rich
C．they were net sure whether the man was the thief they wanted
D．they doubted that the man was responsible for a number of recent robberies