具有清热解毒、疏散风热功效的药组是()
A.桑叶,菊花
B.薄荷,牛蒡子
C.牛黄,水牛角
D.金银花,连翘
E.蒲公英,紫花地丁
参考答案:D
草地
An on-load release system on a survival craft means the cable can be released().
A.only when the load is taken off the cable
B.only when there is a load on the cable
C.only when activated by the controls at the lowering station
D.at any time