咯血窒息处理首先应()。
A.加压吸氧
B.输血
C.注射垂体后叶素
D.清除口腔内血块
E.进行人工呼吸
参考答案:D
下列不是同一药物的是()
A.田三七、参三七
B.牛膝、怀牛膝
C.锦纹、大黄
D.瓜蒌根、天花粉
E.党参、明党参
Concerning the payment for the machines to be imported by us, we suggest that we make payment ______ three annual installments without interest.
A.byB.withC.for D.on