铜可溶于()
A、硝酸
B、盐酸
C、稀硫酸
D、浓硫酸
参考答案:A
物流客户是指服务产品的购买者。
— When will you come to Daqing?
— I will call you _____I arrive.
A.till
B.while
C.as quickly as
D.as soon as