运价是运输产品的销售价格,是()的货币表现。
A.运输成本
B.运输使用价值
C.运输产品价值
D.运输使用价值和价值
参考答案:C
— I think students should have mobile phones to call their parents.
—_____. They often use them to play games instead.
A.I hope so
B.I don't agree
C.No problem
D.Good idea
组织因子途径抑制物(TFPI)可抑制下列多种蛋白质的活性,但除外()
A.因子Xa
B.TF/Ⅶa
C.PL
D.胰蛋白酶
E.凝血酶