呕吐的病机主要是:
A.黄连温胆汤B.半夏秫米汤C.黄连阿胶汤D.天王补心丹E.交泰丸
参考答案:D
Price is not the only thing customers consider before ______ what to buy.
A.deciding
B.decided
C.to decide
D.having decided
变压器内部故障()动作。
A、瓦斯
B、差动
C、距离保护
D、中性点保护