邮政联网网点收汇的汇款,客户可凭汇款收据和实名证件在原收汇网点办理改汇。
A、正确
B、错误
参考答案:A
This January will be very precious for us by which time we______ reviewing Senior Book I.
A.will finish
B.will have finished
C.have finished
D.will be finished
某电镀企业使用ZnCl2作原料,己知年耗ZnCl21OOt(折纯):98.0%的锌进入电镀产品.1.90%的锌进入固体废物,剩余的锌全部进入废水中:废水排放量15000m3/a,废水中总锌的浓度为()。(Zn原子量:65.4,Cl原子量:35.5)
A.0.8mg/L
B.1.6mg/L
C.3.2mg/L
D.4.8mg/L