单选题：Which of the following safety developments is NOT mentioned

题目分类：综合类
题目类型：单选题
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题目内容：

Which of the following safety developments is NOT mentioned in the passage? A．Windscreens that can help drivers to improve their vision.
B．Radars that can help drivers to see obstacles in fog.
C．Devices that can help drivers to see through big vehicles.
D．Improvements in seat belts,pedal controls and tyres.

参考答案：

答案解析：

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分类：综合类题型：单选题

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分类：综合类题型：单选题

Over a million people were warned not__________.

Over a million people were warned not__________.

分类：综合类题型：单选题

Paragraph 2__________.

Paragraph 2__________.

分类：综合类题型：单选题

回答题：The First Four MinutesWhen do people decide whether or n

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分类：综合类题型：单选题