蹦床比赛决赛项目全部都是规定动作,选手可以选择()种技巧。
A.12
B.10
C.8
参考答案:B
Mr Smith showed us how ______ with our problems. [ ]
A.dealing
B.to deal
C.to solve
D.solving
发现机组负荷骤增应作哪些处理?