A、By giving alarming when the drivers drink. B、By measuring alcohol levels manually. C、By making the drivers unable to use their

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问题

选项 A、By giving alarming when the drivers drink.
B、By measuring alcohol levels manually.
C、By making the drivers unable to use their cars.
D、By locking the steering wheel and the door.

答案C

解析推理判断题。短文提到这种传感器可以通过皮肤测试出人们血液中的酒精含量，把这种传感器粘在方向盘或车门把手上，可以阻止一切酒精浓度超标的驾驶员驾车回家。

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大学英语六级

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