流程控制点的执行、检查和评价主要采用（）。
A.访谈检查
B.文档检查
C.电话检查
D.电子表格检查
参考答案：B
It was nearly an hour _____________ the sleeping pill _____________ effect.
A．when; took
B．before; took
C．since; takes
D．before; would take
企业销售一批存货，如果货款收回，速动比率则增大；如果货款未收回，速动比率则不变。
