【简答题】图示电路中,已知2A电流源发出的功率为2W,则电流 I = ( ) A。
【判断题】威朗轿车小灯的控制原件与远、近光灯控制元件相同。
【单选题】—Did you ask Maria _________? —Yes. She said she liked it very much. [ ]
A.
how did she like the scarf
B.
how she liked the scarf
C.
what was the scarf like
D.
what the scarf was like
【单选题】下列方式中适用于特殊需求较少的企业,或者市场已有成熟的商品化软件和系统实施方案的是( )。
【判断题】在PLC编程软件中,对同一地址的输入映象寄存器I在程序中可以多次做读操作,不会引起误动作