下载APP
举一反三
【单选题】当驾驶舱对地面进行呼叫时（）.
A.
外部电源控制面板上的COCKPIT CALL灯点亮，地面呼叫喇叭响
B.
外部电源控制面板上的COCKPIT CALL灯闪亮，地面呼叫喇叭响
C.
呼叫面板上的MECH灯点亮
D.
B和C
【单选题】E Reading is not the only way to gain knowledge of the work in the past. There is another large. reservoir which may be called experience, and the college students will find, that every ...
A.
The college students have trouble separating good plants from wild grass.
B.
Craftsmen’s experience is usually unscientific.
C.
Craftsmen don’t like teaching the contemptuous (傲慢的) college students.
D.
Traditional practices are as important as experience for the college students.