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71、The()creates opportunities for more direct Integration of the physical world into computer-based systems,resulting in efficiently improvements,economic benefits,and reduced human exertions.
A、internet of things
B、cloud computing
C、big data
D、mobile internet
72、()is an open,distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way.
A、Internet of things
B、Blockchain
C、Edge computing
D、Artificial intelligence
73、()are those costs that cannot Be Directly Traced To A Specific Project And Therefore Will Be Accumulated And Allocated equitably over multiple projects by some approved and documented accounting procedure.
A、Direct costs
B、Operation costs
C、Indirect costs
D、Implement costs
74、Earned value management(EVM)integrates the scope baseline with the()baseline,along with schedule baseline,to form the performance baseline,which helps the project management team assess and measure project performance and progress.
A、qulity
B、risk
C、change
D、cost
75、()risks cannot be management proactively and therefore may be assigned a management reserve.
A、Known
B、Natural
C、Unknown
D、Human
(230524)答案
66、67、【试题解析】
设甲采购X吨,在乙采购Y吨,得:
0.2X+0.4Y=16
0.5X+0.2Y=16
求:MIN(200X+300Y)。
求该方程X=20,Y=30,得乙采购30吨,最低采购成本=200*20+300*30=14000。
【参考答案】C、B
68、【试题解析】
首先定位问题,这属于管理科学及运筹学基础知识中的最小生成树问题。
解法如下:
1)根据上表画出个节点,但不建议将节点之间用线连接,如果连接后,会发现很乱,会看不清楚,考试的时候,图尽量用铅笔在草稿纸上画:
2)然后用「贪心算法」,根据题干给的表,找出各短边、用铅笔在图上画出,判断各点是否连通,最终得出下图:
3)最后算出上图中长度合计:0.7+0.9+1.0+0.7+0.8+0.6+0.5=5.2海里,再加上1号井离海岸最短长度为5海里,所以为10.2海里。
考试的时候做这样的题需要耐心,建议是放到最后来做。用铅笔画图是为了容易擦除。
【参考答案】D
69、70、【试题解析】
这题可以根据题干给出的表格,分别算出静态和动态两种情况下的累计值。
计算静态投资回收期,算出累计值如下表:
根据静态投资回收期计算方法,出现累计正值的年度是3;
得:(3-1)+(7500+2000)/12000≈2.8(四舍五入后保留一位小数)
计算动态投资回收期,累计值如下表:
得(4-1)+(3155+680)/10200≈3.4(四舍五入后保留一位小数)
推荐C和B。
【参考答案】C、B