整鱼脱骨的鱼越小越好，有利于骨骼的去除。( )
参考答案：错
解析：整鱼脱骨时，鱼过小则刀具不便翻转，脱骨过程中容易破皮。
Judging from what has happened here, it’s high time that we _______effective measures to prevent this.
A．could take
B．must take
C．should take
D．would take
A．机器做功少，功率一定小
B．功率小的机器做功不一定慢
C．功率大的机器做功一定快
D．功率大的机器做功一定多
