M指令是使数控机床准备好某种运动方式的指令。( )
参考答案:错
因集体活动超过熄灯时间()小时以上时,部(分)队首长可以确定推迟次日起床时间。
A、0.5
B、1
C、1.5
D、2
After several rounds of competition, the little girl ______ because of her excellent English and quick wit.
A.stood out
B.picked out
C.turned out
D.came out