具有化湿开窍,宁心安神功效的药物是()
A.石菖蒲
B.远志
C.龙骨
D.酸枣仁
E.合欢皮
参考答案:A
在25℃时,将两个铂电极插入一定量饱和Na2SO4溶液中进行电解,通电一段时间后,在阳极上放出a mol气体,同时有w g Na2SO4•10H2O晶体析出.若温度不变,此时剩余溶液中溶质的质量分数为( )
A.100ww+18a%
B.7100w161(w+18a)%
C.100ww+36a%
D.7100w161(w+36a)%
— ______?
— It's July 2nd.
[ ]
A. What's the time now
B. What's the date today
C. What day is it today
D. When were you born