企业采购的原材料已经到货,但货款尚未支付,由此所形成的结算款项属于 ______。
A.预提费用
B.流动负债
C.短期借款
D.非流动负债
参考答案:B
A: How many oranges do we need?
B: Let me _______. Three. [ ]
A. think
B. think of
C. think over
D. think out
发动机活塞敲缸在发动机()时,响声清晰。