停机当月基本月租费按（）收取，增值服务费按全月收取。
参考答案：当月实际使用天数
必须制定和执行药品保管制度的是
A．国家药监部门批准B．省级药监部门批准C．卫生部批准D．CE商行政管理部批准E．国家计划委员会批准
-- Sir, could you please wait for another 20 minutes and we’ll serve you very soon.
-- Another 20 minutes? It was only 6 o’clock ________ I got here, but it’s 7∶10 now.
A．since
B．when
C．that
D．before
