更多“女性，68岁，上腹部疼痛向腹背部放射3个月，出现黄疸1个月，”相关的问题
设a，b，c，d是不全为零的实数，试证明下列方程组仅有零解．ax1+bx2+cx3+dx4=0bx1-ax2+dx3-cx4=0cx1-dx2-ax3+bx4=0dx1+cx2-bx3-ax4=0
A.
ax1+bx2+cx3+dx4=0
bx1-ax2+dx3-cx4=0
cx1-dx2-ax3+bx4=0
dx1+cx2-bx3-ax4=0
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科学研究具有高度的自觉性和组织性，继承性与创造性，以及极强的探索性的特点。
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患者女，72岁。家属发现意识不清就诊。既往糖尿病史数年。体格检查：昏迷，呼吸16次/min，心率65次/min，血压90/60mmHg。应立即进行的紧急处理是（）
A.静脉输注0.9%氯化钠溶液
B.静脉采血后立即推注50%葡萄糖溶液
C.等待血糖结果进行进一步处理
D.立即进行头颅CT检查
E.应用胰岛素治疗
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下列属于施工现场特种作业人员的有（）
A.电工
B.电焊工
C.架子工
D.抹灰工
E.塔式起重机指挥员
F.木工
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SS9型电力机车上LKJ有3个压力传感器，分别为列车管压力传感器，（）压力传感器和制动缸压力传感器。
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Almost Human? Scientists are racing to build the world’s first thinking robot .This is not science fiction：somesay they will have made it by the year 2020.Carol Packer repots.Machines that walk，speak and feel are no longer science fiction.Kismet is the name of an android(机器人)which scientists have built at the Massachusetts Institute of Technology(MIT).Kismet is different from the tradition。al robot because it can show human emotions.Its eyes.ears and lips move to show when it feels happy.sad or bored.Kismet is one of the first of a new generation of androids—robots that 100k like human beings—which can imitate human feelings.Cog，another android invented by the MIT, imitates the action of a mother However,scientists admit that so far Cog has the mental ability of a two year old.The optimists(乐观主义者)say that by the year 2020 we will have created humanoids(机器人)with brains similar to those of an adult human being.These robots will be designed to look like people to make them more attractive and easier to sell to the public.What kind of jobs will they do? In the future，robots like Robonaut ，a humanoid invented by NASA，will be doing dangerous jobs，like repairing space stations They will also be doing more and more of the household work for US.In Japan，scientists are designing androids that will entertain US by dancing and playing the piano.Some people worry about what the future holds：will robots become monsters(怪物)?Will people themselves become increasingly like robots? Experts predict that more and more people will be wearing micro-computers，connected to the Internet，in the future.People will have micro-chips in various parts of their body，which will connect them to a wide variety of gadgets(小装置).Perhaps we should not exaggerate(夸大)the importance of technology，but one wonders whether , in years to come，we will still be falling in love，and whether we will still feel pain.Who knows?第11题：Kismet is different from traditional robots becauseA．it thinks for itselfB．it is not 1ike science fictionC．it Can 100k after two-year—oldsD．it seems to have human feelings
A.ThisB.CarolC.MachinesD.KismetE.KismetF.ItsG.earsH.sadI.KismetJ.Cog，anotherK.TheL.TheseM.WhatN.InO.SomeP.PeopleQ.PerhapsR.WhoS.itT.itU.itV.it
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2018年，浙江省结对帮扶的青海省海西州率先实现整体脱贫。浙江省与海西州扶贫协作的合理措施有（）①电商直播，销售海西农产品到浙江②生态移民，助力海西农民迁居至浙江③区域合作，选派浙江人才支援海西④招商引资，搬迁浙江IT企业扎根梅西
2018年，浙江省结对帮扶的青海省海西州率先实现整体脱贫。浙江省与海西州扶贫协作的合理措施有（）①电商直播，销售海西农产品到浙江②生态移民，助力海西农民迁居至浙江③区域合作，选派浙江人才支援海西④招商引资，搬迁浙江IT企业扎根梅西
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装载比较重的小型木箱时，可采用（），使上层的木箱压在下层两木箱的接缝上，最上一层必须加以固定或塞紧。
A.纵横交叉法
B.骑缝装载法
C.粘贴法
D.砌墙法
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当碳当量()时，金属可焊性优良。
A.≤0.4%B.0.4～0.6%C.>0.6%D.>0.8%
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我国现行的预算管理制度分为______。
A.中央
B.国务院
C.省、自治区、直辖市
D.设区的市、自治州
E.乡、民族乡、镇
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买入返售债券在当期没有到期的，期末应计提未到期的买入返售债券利息，并记入（）科目。
A、买入返售债券
B、其他应收款
C、应收利息
D、短期投资
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下列哪种细胞对紫外线吸收最强
A、黑素细胞B、角质形成细胞C、朗格汉斯细胞D、巨噬细胞E、Merkel细胞
A、黑素细胞B、角质形成细胞C、朗格汉斯细胞D、巨噬细胞E、Merkel细胞
B、角质形成细胞C、朗格汉斯细胞D、巨噬细胞E、Merkel细胞
C、朗格汉斯细胞D、巨噬细胞E、Merkel细胞
D、巨噬细胞E、Merkel细胞
E、Merkel细胞
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