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多项选择题
航空运输市场供给的特点有()。
A.运输供给的整体不可分性
B.运输供给的平衡难以控制
C.运输供给的广泛性和多样性
D.运输供给的部分可替代性
E.运输供给的不可替代性
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相关考题
单项选择题
According to the text, why does the writer think it is not likely that a bag-lady mother would be present at her children’s graduation? ___
A、Because the invitation is only extended to the parents of top students.
B、Because the mother is probably not available at the time when she is busy with her work.
C、Because their children would think having a poor mother is a stigma which is detrimental to their future career development.
D、Because the mother, disappointed with the college educational system, might refuse to attend the ceremony,
多项选择题
运输需求的特殊性主要体现在()。
A.派生性
B.广泛性
C.不可控制性
D.波动性
E.替代性
单项选择题
Linux系统各组成部分中最基础的是( )。
A、内核
B、 Xwindows
C、 Shell
D、GNOME
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