在铁路营业线内的外国车在运行过程中临时发生故障而摘车临修时，按（）统计。
参考答案：检修车
Jack has got into _______ habit of collecting newspaper cuttings, which is _______ great joy for him.
A．\ ; a
B．a; the
C．the; a
D．the; the
A321飞机的（）门的滑梯是倾斜的以便保持与发动机的距离。
A.L1
B.L2
C.R1
D.L4
