更多“将玻璃毛细管插入装有水的烧杯中，已知水的表面张力为72.5m”相关的问题
马克思主义最鲜明的政治立场是:
A. 致力于实现以共产党人为主体的最广大人民群众的根本利益 B. 致力于实现以共产党人为主体的最广大劳动群众的根本利益 C. 致力于实现以劳动人民为主体的最广大人民群众的根本利益 D. 致力于实现以劳动人民为主体的所有现实的人们的根本利益
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为了反映企业在一定时期内利润的实现和分配情况，应设置与运用（）账户。
A.本年利润
B.利润分配
C.投资收益
D.财务费用
E.管理费用
F.营业外收入
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电瓶残余电压不允许低于（）V。
A.4
B.6
C.8
D.10
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当构配件的图形对称时,可以只画出图形的一半,但是要加上()。
A.对称符号
B.剖切符号
C.引用符号
D.折断符号
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女性患者，26岁，以“发热3个月，颜面皮疹2周”来诊。伴轻微口干及脱发，化验血白细胞减低，尿蛋白微量，行血清抗体检测，下列哪种抗体不易出现阳性
A．抗SSA抗体B．抗SSB抗体C．抗U1RNP抗体D．类风湿因子E．抗Scl-70抗体
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Java程序默认引用的包是( )。
A．java.text包B．java.awt包C．java.lang包D．java.util包
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儿童（青少年）能够借助于自身的道德判断、情感等因素自觉体认道德价值与规范，进行道德行为的发展阶段是（）。
A.无律阶段
B.他律阶段
C.自律阶段
D.自由阶段
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水泥进场使用前，应分批对其强度、安定性进行复试。当在使用中对水泥质量有怀疑或水泥出场超过（）时，应进行试验，并按其结果使用。
A.2个月
B.3个月
C.6个月
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阿吉里斯和舍恩提出组织学习过程是由4个阶段所组成：发现、发明、执行和（）
A.推广B.总结C.反馈D.实践
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确定最低生活标准的具体方法有（）。
A . A．市场菜篮子法
B . B．恩格尔系数法
C . C．生活形态法
D . D．国际贫困标准法
E . E．贫困线划分法
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For centuries, explorers have risked their lives venturing into the unknown for reasons that were to varying degrees economic and nationalistic. Columbus went west to look for better trade routes to the Orient and to promote the greater glory of Spain. Lewis and Clark journeyed into the American wilderness to find out what the U.S. had acquired when it purchased Louisiana, and the Appolo astronauts rocketed to the moon in a dramatic show off technological muscle during the cold war. Although their missions blended commercial and political-military imperatives, the explorers involved all accomplished some significant science simply by going where no scientists had gone before. Today Mars looms (隐约出现) as humanity"s next great terra incognita (未探明之地). And with doubtful prospects for a short-term financial return, with the cold war a rapidly fading memory and amid a growing emphasis on international cooperation in large space ventures, it is clear that imperatives other than profits or nationalism will have to compel human beings to leave their tracks on the planet"s reddish surface. Could it be that science, which has long played a minor role in exploration, is at last destined to take a leading role The question naturally invites a couple of others: are there experiments that only humans could do on Mars Could those experiments provide insights profound enough to justify the expense of sending people across interplanetary space With Mars the scientific stakes are arguably higher than they have ever been. The issue of whether life ever existed on the planet, and whether it persists to this day, has been highlighted by mounting evidence that the Red Planet once had abundant stable, liquid water and by the continuing controversy over suggestions that bacterial fossils rode to Earth on a meteorite (陨石) from Mars. A more conclusive answer about life on Mars, past or present, would give researchers invaluable data about the range of conditions under which a planet can generate the complex chemistry that leads to life. If it could be established that life arose independently on Mars and Earth, the finding would provide the first concrete clues in one of the deepest mysteries in all of science: the prevalence of life in the universe.
A．To find out if life ever existed there.B．To see if humans could survive there.C．To prove the feasibility of large-scale space ventures.D．To show the leading role of science in space exploration.
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家畜内脏初步加工中，“里外翻洗法”适用于肠、肚、肺等原料的洗涤加工。
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川芎茶调散原方中用量最大的药物是（）
A.白芷
B.荆芥
C.防风
D.川芎
E.薄荷
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工程项目的安全检查的注意事项包括（）。
A．安全检查要深入基层，领导为主，深入、全面地进行
B．建立检查的组织领导机构，挑选具有较高技术业务水平的专业人员参加
C．明确检查的目的和要求，既要严格要求，又要防止一刀切，要从实际出发，分清主次矛盾，力求实效
D．将检查作为最终目的，要及时发现问题
E．做好检查的各项准备工作，包括思想、业务知识、法规政策和物资、奖金准备
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