大工11秋《高等数学》(上)在线作业1

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• 大工11春《测量学》在线作业2二、多选题（共 5 道试题,共 25 分.）V 1.下列选项中,属于偶然误差特性的有( ).A.有界性B.趋向性C.对称性D.抵偿性E.离散型2.下列选项中,属于系统误差的有( ).A.尺长误差B.温度误差C.水准仪视准轴误差D.经纬仪测角误差E.估读误差3.由于观测值中含有中误差,使函数受其影响也含有误差,这种就称之为误差传播.这些函数一般有哪些?( )A.和差函数B.倍函数C.线性函数D.三角函数E.非线性函数4.下列选项的误差中,属于偶然误差的有( ).A.估读误差B.照准误差C.尺长误差D.指标差E.横轴误差5.下列选项中,哪些误差属于真误差?( )A.三角形闭合差B.多边形闭合差C.量距往、返差值D.闭合导线的角度闭合差E.导线全长相对闭合差
• 大工11春《大学英语1（远程英语1）》在线作业3判断题二、判断题（共 10 道试题,共 40 分.）V 1.The new company is consisted of four departments.A.错误B.正确满分：4 分2.They had been washed before I got home.A.错误B.正确满分：4 分3.When I am away,the cats will be looked by my neighbor.A.错误B.正确满分：4 分4.The little girl takes pride of her motherland.A.错误B.正确满分：4 分5.I was watch a film at 9 o'clock last night.A.错误B.正确满分：4 分6.Feel bored,he decided to take a walk.A.错误B.正确满分：4 分7.I am working now.I can't go with you.
• 求 大工11春《大学英语3》在线作业1 要求满分1.Mr.Carter __________ to work every day although he lives quite near the company.A.drives B.is driving C.drove D.to drive2.To maintain the city’s status as the most popular tourist destination in Asia,public health inspectors visit restaurants and hotel kitchens __________.A.definitely B.especially C.fortunately D.regularly3.Public interest centers on the __________ of next week's election,so it seems no one cares about the op
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• 北航10秋学期《西方经济学（上）》在线作业三 判断题二、判断题（共 6 道试题,共 24 分.）V 1.经济利润中不包括正常利润.（ ）A.错误B.正确满分：4 分2.寡头垄断市场上的产量是由各寡头之间协商确定的.（ ）A.错误B.正确满分：4 分3.垄断市场的垄断程度最高,寡头市场居中,垄断竞争市场最低.（ ）A.错误B.正确满分：4 分4.垄断竞争市场上长期均衡的条件MR=MC=AR=AC.（ ）A.错误B.正确满分：4 分5.效用是指商品满足人的欲望的能力,是消费者的一种主观心理评价.（ ）A.错误B.正确满分：4 分6.沉没成本等同于机会成本.（ ）A.错误B.正确满分：4 分不过好像不是太理想。
• 大工11春《大学英语1（远程英语1）》在线作业31.Per capita GDP in China was left far _____ developed countries.A.toB.fromC.behindD.into满分：6 分2.This is my wife.I made _____ acquaintance when I was traveling.A.sheB.herC.itD.the满分：6 分3.The teacher is _____ to teach the students how to learn.A.supposeB.supposingC.supposedD.supposes满分：6 分4.He ______ to work in New York,but now he is in London.A.usedB.usesC.was usedD.was using满分：6 分5.Not only the director _____ the main actor wa
• 大工11春《大学英语1（远程英语1）》在线作业2,1.His oral English is _____ than his brother's.A.wellB.goodC.betterD.fine满分：6 分2.We must ____ the project within 10 days.A.completingB.completeC.to completeD.completed满分：6 分3.I would rather _____ a job and earn money.A.to findB.findingC.foundD.find满分：6 分4.He practices hard.I can hear him _____ every day.A.to singB.singC.singsD.to sings满分：6 分5.He keeps working late in the night _____ catch up with others.A.in order toB.forC.so
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