采购部门应建立供方供货业绩记录，包括（）。
A、产品名称
B、规格型号
C、数量
D、交货期
参考答案：A, B, C, D
一般来说，生物进化的总趋势，是由______到______，由______到______，由______到______．在研究生物进化的过程中，______是非常重要的证据．
Which of the following choices indicates that your project is 9% under budget ？（）
A．The cumulative AC was 100, and the cumulative EV was 110
B．The cumulative PV was 100, and the cumulative AC was 110
C．The cumulative AC was 110, and the cumulative EV was 100
D．The cumulative EV was 100, and the cumulative PV was 110
