Can people smoke in the plane?
The pilot of the plane which flies faster than sound travels does not hear the thunderclaps because______.
The plane found the spot and hovered close enough to ______ that it was a car.
断层面(fault plane)
A plane that cuts the Earth’s surface and passes through the poles will always form().
The plane () in an hour. 【leave】 飞机将在一小时后离开。
Out of the elementary plane geometry developed by the Greeks ______ we use today.
In the xy plane, is the point (4, -2) on the line l?
(1) Point (1, 1) is on line l.
(2) The equation x=2-y describes line l.
Which Control Plane Policing (CoPP) statement is true?()
Her plane takes() at 3 p.m.