单选题
Which .of the following statements in NOT true according to the passage?
A、
Energy will be more expensive and in short supply.
B、
Most people will be on their legs.
C、
The air will be cleaner in 1997.
D、
There will be more cars than ever in.1997.
【正确答案】
D
【答案解析】
4个选项只有[D]没有在文章中明确提到。
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