身体()或患病有碍行车安全时,不得驾驶车辆。
参考答案:过度疲劳
---A man is not born in ____ of knowledge.
---True. We all gain our knowledge by keeping on learning in our life
A.exhibition
B.possession
C.civilization
D.protection
在一氧化碳还原氧化铜的实验中,为了防止尾气污染空气,应用( )
A.、水吸收尾气
B.、硫酸吸收尾气
C.石灰水吸收尾气
D.酒精灯点燃尾气