向一定体积的NaOH稀溶液中逐滴滴加稀盐酸,溶液pH变化的曲线合理的是[ ]
A.
答案:A
It’s required that the students___ mobile phones in their school, so seldom ____ them using one.
A.not use; will you see
B.should not use; you will see
C.don’t use; will you see
D.would not use; you will see
核算工作的内容有()。
A、电费账的制成与保管,对转来的登记书进行登帐处理、审核与传递;
B、掌握各类电价的有关规定并正确执行;按事先排定的核算例日顺序,进行电费核算与电费收据的发行;
C、用审核电费收据,复核应收电费发行表。处理有关核算工作的日常业务;
D、催收电费。