中成药
参考答案:
是指以中药材为原料,在中医药理论指导下,按规定处方和标准制成一定剂型的药品。包括处方药和非处方药。
室温下,给定的四组溶液,各组离子一定能够大量共存的是
A.使酚酞试液变红的溶液: Na+、Cl-、SO42-、Fe3+
B.水电离出来的c(H+)=10-13mol/L的溶液:K+、HCO3-、Br-、Ba2+
C.c(H+)=10-12 mol·L-1的溶液:K+、Ba2+、Cl-、Br-
D.所含溶质为Na2SO4的溶液:K+ 、HCO3-、NO3-、Al3+
—My daughter lived in France for five years and now she's working in a foreign company.
—______is no wonder that she speaks such excellent French.
A.It
B.There
C.That
D.This