既能清热泻火，生津止渴，又能消肿排脓的药物是( )
A．天花粉
B．白芷
C．麻黄
D．知母
E．芦根
参考答案：A
出盐率一定，盐的质量和海水的质量成正比例．______．（判断对错）
is known to us is that the 2016 Olympic Games will be held in Rio de Janeiro, Brazil.
A．It
B．Which
C．As
D．What
