【判断题】画辅助电路图时,电路中与下边电源线相连的耗能元件要画在电路图的下方,而元件的触头要画在耗能元件与上边电源线之间。为读图方便,一般应按照从左到右、自上而下的排列来表示操作顺序。
【单选题】Myths are early science because they ______.
A.
explain the natural events
B.
teach about the history
C.
have nothing to do with religion
D.
reflect people's expectations
【简答题】A 石膏与知母 B 黄芪与茯苓 C 半夏与生姜 D 人参与莱菔子 E 甘草与海藻 属于相恶配伍的是() 属于相须配伍的是()
【判断题】梯形图中,若Q0.0的线圈通电时对应的硬件继电器的常开触点闭合。
【单选题】Can you explain ______ that the medicine has for my illness?A.about the function to meB.me about
A.
2. Can you explain ______ that the medicine has for my illness? A.about the function to me
【单选题】The president should explain to the employees about the special_____the company will get through this contract.