题目

 If he      his legs in the last training, he      in the coming World Cup, which he has been longing to compete in.     A. hadn’t hurt；would join        B. didn’t hurt；would have joined     C. didn’t hurt would join          D. hadn’t hurt；would have joined. 答案：A下列实验操作正确的是（ ）A．熄灭酒精灯B．取液体药品C．稀释浓硫酸D．过滤