【单选题】It is not very healthy t o jog beside a motorway because of the .
【简答题】Slang is a popular, less official and often very current form of language. It is an important part of a living language and is constantly changing as language changes. Slang is often playful, direct a...
【单选题】The main disadvantage of the automation system is()
A.
it increases pilot workload
C.
when manual operation is necessary, take over operation becomes difficult
【简答题】绘制、识读电路图应遵循的原则有:主电路图要画在电路图的______侧,并______于电源电路。
【单选题】对于有些比较复杂的主电路,可先从主变压器开始了解其技术参数,然后( )。
【单选题】识读控制电路包括( )。
B.
按布局顺序从左到右依次搞清辅助电路各条支路如何控制主电路。了解电路中常用的继电器、接触器、位置开关、按钮等电器的用途,分析动作原理以及对主电路的控制关系。
C.
分析出控制电路的动作过程。结合主电路有关元器件对控制电路的要求分析。
【多选题】“人本”管理理念,表现在具体的管理活动中就要重视幼儿发展的多样化需要,做到()、()、()三结合。