大跃进运动的主要标志是 [ ]
A．盲目求快与高速度
B．“一大二公”
C． * * 风盛行
D．瞎指挥
答案：A
--- My son is learning English. What dictionary shall I buy for him?
--- What about this one? It is __________ for beginners.
A．intended
B．operated
C．offered
D．delivered
为什么要做断路器的远方分、合闸试验？
