硝酸银试液用于检查
A.氯化物B.硫酸盐C.重金属D.砷盐E.铁盐
参考答案:A
— There is growing _____ about house prices.
— Don’t worry! Something has been done.
A.power
B.item
C.series
D.concern
含蟾酥的中成药是()
A.大活络丹
B.参苏片
C.山药丸
D.六神丸
E.牛黄清心丸