抢护坍塌险情的原则是：“护脚抗冲，（），减载加帮”。
A.控制风力
B.缓流挑溜
C.控制水位
D.防止偎水
参考答案：B
It is shown that men have _____ as women do on average while driving according to recent statistics. [ ]
A. twice as many serious accidents
B. serious accidents as twice many
C. twice serious accidents as many
D. serious accidents as many twice
增强大黄止血功效的炮制方法是（）
A.炒炭
B.土炒
C.醋制
D.酒制
E.姜制
