显色反应鉴别属于
A．物理鉴别法B．化学鉴别法C．光谱鉴别法D．色谱鉴别法E．微生物检定法
参考答案：B
—Do you have _____ to say today?
—No, nothing. [ ]
A. something important
B. nothing important
C. important something
D. anything important
推拿可缓解咳喘症状，基本治法是（）.
A、按揉天突、膻中、中府、云门。
B、分推两胁肋部
C、一指禅推大椎、定喘、身柱、大杼、风门、肺俞
D、按揉尺泽、外关、列缺、太渊、鱼际，拿合谷
