【简答题】已知电感的感抗为500欧,流过它的电流有效值为2mA,初相位为60度,则它的电压有效值为( )v,初相位为( )度
【多选题】smartPAD 上的信息窗口可以显示( [填空(1)] )、( [填空(2)] )、( [填空(3)] )、( [填空(4)] )、( [填空(5)] ) 5 种信息类型。
【简答题】SmartPAD上的信息窗口可以显示____、____、_____、_____、_____5种信息类型
【判断题】If UK GDP exceeds UK GNP, then foreigners produce more in the UK than UK citizens produce in the rest of the world.
【判断题】In
the UK, more than half of the Christians attend worship on a regular basis.
【单选题】Heart failure is more common in the UK than anywhere else in the world.
【单选题】Letter boxes are much more in the UK than in the USA, where most people have a mailbox instead. [ ]