下滑面和跑道水平面的夹角,根据机场的净空条件,通常为().
A.5~9°
B.2~7°
C.1~7°
D.2~4°
参考答案:D
_____ into a top university, we students must show a strong ability in spoken and written English.
A.Having been accepted
B.To be accepted
C.Being accepted
D.Accepted
如果在某单位的重要守护区域附近发生紧急情况,保安员以下()的行为是错误的。
A.若是来人报称,应积极协助来人报警
B.首先前去查看、救助,然后向领导报告
C.如果守护力量充足,先加强对目标的守护,经领导允许后,可在职责范围内处置
D.若是来电报称,应告知对方电话报警