办理进路锁闭方式的引导接车进路时,当列车完全进入接车股道后,值班员可按压ZRA及()使引导接车进路解锁。
A、SGA
B、YA
C、始端LA
参考答案:C
Where has your father gone? He has gone to Shanghai.And he’ll ______for three days.
A.go away
B.leave
C.be away
D.be back
和resume()方法相互搭配,使线程停止执行,然后调用resume()方法恢复线程的是( )。
A.interrupt()
B.stop()
C.suspend()
D.yield()