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66題: 某項目現(xiàn)金流量如表所示,則項目的動態(tài)投資回收期為()(折現(xiàn)率按0.1計算)。

A.4.26
B.4.37
C.4.43
D.5.03
答案解析與討論:
m.xiexiliangjiufa.com/st/5681120100.html第
67題: 一個項目需要A和B兩種資源,每種資源包含材料1、材料2。對于項目來說,這兩種材料每日需要量如表所示。請問項目每日使用資源A的量為(),使用資源B的量為(),可使得在滿足要求的情況下總費用最少。

(1)A.4/3
B.5/3
C.2
D.7/3
(2)A.4/3
B.5/3
C.2
D.7/3
答案解析與討論:
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68題: 圖中V1是物流集散地,其他點均為不同的二級轉(zhuǎn)運站,弧上的數(shù)字代表兩點間的距離(單位公里),則V1到二級運轉(zhuǎn)站()最遠(yuǎn),其最短路徑為()公里。

(1)A.V6
B.V7
C.V8
D.V9
(2)A.17
B.14
C.13
D.11
答案解析與討論:
m.xiexiliangjiufa.com/st/568139317.html第
70題: Self-driving technologies are important for the research and development in the field of()。
A.Cloud Computing
B.Digital Finance
C.Artificial Intelligence
D.Intelligent Manufacturing
答案解析與討論:
m.xiexiliangjiufa.com/st/5681512863.html第
71題: To build a modern logistics system,we should work on the() of its infrastructure, including railways and ports, and promote the integration of cources in the sector.
A.digital transformation
B.new generation of communication technology
C.block-chain technology
D.VR and AR
答案解析與討論:
m.xiexiliangjiufa.com/st/5681613794.html第
72題: Information security emphasizes the security attributes of information(data) itself.() is not included in the security attributes.
A.Confidentiality
B.Consistency
C.Interity
D.Availability
答案解析與討論:
m.xiexiliangjiufa.com/st/56817149.html