订货谈判战略包括采购的品种规格、数量、质量、价格、服务和风险分摊、责任权利和义务等。()
参考答案:对
(2012·重庆高考)—________ you interrupt now? Can't you see I'm on the phone?
—Sorry Sir, but it's urgent.
A.Can
B.Should
C.Must
D.Would
机动车上路行驶应带好哪些凭证?