问答题

Choose one of the following types of transportation vehicles and explain why you think it has changed people’s lives.
·automobiles
·bicycles
·airplanes
Give specific reasons and examples to support your idea.

【参考答案】

略

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What does the phrase de rigueur in paragraph 3 probably mean()

A. Problematic.
B. Unsuccessful.
C. Tolerable.
D. Proper.
问答题
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