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[单选题]
19.需求分析阶段用于描述组织的具体业务活动、业务分布和相应信息处理环节的工具是
A
数据流程图
B
实体-联系图
C
业务流程图
D
组织结构图
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试题答案：
C
答案解释：
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1.
29.下列指标中，与股利发放率呈同向变动的有
2.
Passage TwoThere was a time in my life when beauty meant something special to me.I guess that would have been when I was about six or seven years old, just several weeks or maybe a month before the orphanage (孤儿院) turned me into an old man.I would get up every morning at the orphanage, make my bed just like the little soldier that I had become and then I would get into one of the two straight lines and march to breakfast with the other twenty or thirty boys who also lived in my dormitory.After breakfast one Saturday morning I returned to the dormitory and saw the house parent chasing the beautiful monarch butterflies who lived by the hundreds in the bushes scattered around the orphanage.I carefully watched as he caught these beautiful creatures, one after another, and then took thegn from the net and then stuck straight pins through their head and wings, pinning them onto a heavy cardboard sheet.How cruel it was to kill something of such beauty.I had walked many times out into the bushes, all by myself, just so the butterflies could land on my head, face and hands so I could look at them up close.When the telephone rang the house parent laid the large cardboard paper down on the back cement(水泥) step and went inside to answer the phone.I walked up to the cardboard and looked at the one butterfly who he had just pinned to the large paper. It was still moving about so I reached down and touched it on the wing causing one of the pins to fall out.It started flying around and around trying to get away but it was still pinned by the one wing with the other straight pin.Finally its wing broke off and the butterfly fell to the ground and just trembled.I picked up the torn wing and the butterfly and I spat on its wing and tried to get it to stick back on so it could fly away and be free before the house parent came back.But it would not stay on him.26.The author set the living butterfly free because ( ).A.he liked it very muchB.he had sympathy for the beautiful butterflyC.he couldn't bear a butterfly dying in his favorite bushesD.its wing broke off
3.
测算基础代谢需要空腹，其目的是( )
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打开考生文件夹下的文件“exam35.docx”，并按照下列要求进行排版。
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设A,B是n阶正交矩阵，证明：AB也是正交矩阵
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