煎膏剂易()
A.虫蛀、霉变
B.吸湿、风化
C.结块、发霉
D.粘连、软化
E.糖易结晶析出
参考答案:E
My cousin is fond of drawing pictures, _____ painting is her hobby.[ ]
A. but
B. and
C. though
D. so
常温下,某酸HA溶液和某碱BOH溶液的物质的量浓度相同,两溶液混合后,溶液的pH=7,下列判断中合理的是
A.①③
B.②③
C.②④
D.①④