座席员选择沟通对象后，应根据用户（）和（）安排恰当的沟通时间。 ["地位；时间","地位；情绪","情绪；时间","时间；年龄"]
WINDOWS XP系统自带的媒体播放器直接支持的数字视频文件的扩展名是（）。 ["WAV","MOV","MPG","AVI"]
A cardinal mark showing an uninterrupted quick-flashing white light indicates the deepest water in the area is on the（）. ["north side of the mark","west side of the mark","east side of the mark","south side of the mark"]
干粉灭火剂可用于扑救精密仪器火灾。
座席员应根据（）选择沟通对象。 ["沟通计划","沟通目标","沟通效果","沟通准备"]
原液质量浓度和苛性比值对种分有哪些影响？
