十六岁以下的人购票乘坐国内航班时,可使用()
A、学生证
B、户口薄
C、暂住证
D、以上全对
参考答案:D
The meeting was _____ at ten o’clock, but the chairman hadn’t turned up by eleven o’clock.
A.start
B.have started
C.be starting
D.be started
宏观调控的主导一方是( )
A.政府
B.企业
C.市场
D.消费者