驾驶车辆时，长时间左臂搭在车门窗上，或者长时间右手抓住变速器操纵杆，是一种驾驶陋习。
参考答案：对
You can hardly imagine in that birds eat insects. [ ]
A.such a short time;so little;such many
B.such a short time;so few;such few
C.so short a time;such few;so many
D.so short a time;such little;so many
下列图示中，酒精灯使用不正确的是 [ ]
A．
B．
C．
D．
