有效成分尚未清楚的方剂粗提宜采取的提取方法为（）
A．煎煮法
B．浸渍法
C．渗漉法
D．双提法
E．水蒸气蒸馏法
参考答案：A
in Super Girls that Duan Linxi became known to almost all teenagers.
A．So successful her performance was
B．So successful was her performance
C．So her performance was successful
D．So was her successful performance
国际商业回函业务一律按（）收寄和处理。
A.平常水陆路函件
B.挂号水陆路函件
C.平常航空函件
D.挂号航空函件
