【单选题】The critical factors in determining the growth in the present study are all external; none are ____ to the science itself.
【多选题】三相四线供电线路的中性线的作用有( )。
【多选题】误机事故发生后,导游员应( )
B.
尽快与机场联系,争取让旅游团乘坐最近一次班机离开
C.
必要时,根据旅行社领导的意见乘坐其他方式的交通工具前往下一站
【简答题】The critical factors in determining the growth in the present study are all external; none are extrinsic/intrinsic to the science itself.
【判断题】不对称三相负载作星形连接,为保证相电压对称,必须有中性线。( )
【单选题】The critical factors in determining the growth in the present study are all external; none are extrinsic / intrinsic to the science itself.
【判断题】用计算机及其语言编写的程序可以由计算机直接执行,用高级语言编写的程序必须经过编译或解释才能执行
【多选题】误机事故发生后,导游员应______。
B.
尽快与机场联系,争取让旅游团乘坐最近一次班机离开
【单选题】The critical factors in determining the growth in the present study are all external; none are ________ to the science itself.