大多数蔬菜进行小包装贮藏时所用的塑料薄膜袋的厚度为()
A、0.2mm
B、0.03mm
C、0.05mm
参考答案:B
Choose the right structure of the computer which is general used,such as PC8086,Z-80, IBM360/370.
A.Single Instruction Single Data
B.Single Instruction Multiple Data
C.Multiple Instruction Single Data
D.Multiple Instruction Multiple Data
广义的公债发行成本包括()
A、国债利息
B、额外损失
C、发行费用
D、发行额度