解表宜生用,乎喘宜蜜炙用的药是()
A.桂枝
B.麻黄
C.紫苏
D.陈皮
E.白果
参考答案:B
Beijing is one of the in the world today. [ ]
A. busiest city
B. busiest cities
C. busy city
D. busy cities
某同学为了区别氢氧化钠溶液和澄清石灰水,设计了如下图所示的四组实验方案,其中能达到目的是( )
A.
B.
C.
D.