战术训练有哪些方法?
参考答案:
(1)分解与完整训练法;(2)减难与加难训练法;(3)虚拟现实训练法;(4)想象训练法;(5)程序训练法;(6)模拟训练法;(7)实战法。
一台接在220V的电路中的电动机,通过它的电流是6A,电动机的电阻为5Ω。求:
(1)电动机工作5分钟消耗的电能为多少?
(2)电动机工作5分钟产生的电热为多少?
(3)电动机工作5分钟转化的机械能为多少?
(4)电动机的机械效率为多少?
Recently, employees at the Shanghai Metro’s Railway Station Stop have been busy learning dialects from other parts of the country, ___________ aims to provide better service to travelers from outside the city.
A.where
B.that
C.which
D.it