[单选题]美国商务部认为,拥有( )以上的股权即可视为直接投资.A.50%B.25%C.10%D.45%
[填空题]从技术上讲, 是互联网用于解决地址对应问题的一种方法.
[问答题]在三角形连接中,相、线电流的关系如何
[填空题]一个JK触发器有( )个稳态,它可存储( )位二进制数
[问答题]编写程序段,完成将片内RAM 30H单元的内容送片外RAM 2000H单元.
[阅读理解]There are 15 incomplete sentences in this section.For each sentence there are four choices marked A,B,C and D.Choose one answer that best completes the sentence and blacken the corresponding letter on the Answer Sheet.6.Thereno one to help me at this moment,I need to handle the work all by myself.A.beB.beingC.to beD.been7.Mary took a part-time job last summer,but her parents were unhappy about_she did.A.theseB.whichC.thatD.what8.I did not do well on the writing exam,for the topic to write on was unfamiliar_A.tome.B.forC.withD.about9.1 can hardly distinguish the two girls,since they look quiteA.likeD.likelyB.unlikeC.alike10.You.d better speak loudly at the meetingeveryone can hear you.A.except thatD.so thatB.such thatC.in that11.Peter wouldstay at home watching TV than go shopping with his mom.A.ratherD.stillB.quiteC.bettera new look.12.By the time you return in two years,your hometown will_A.have taken onD.be taken onB.take onC.have been taken on13.Please make sure that your name is entered in thespace when you fill out this form.A.vacantB.bareC.blankD.empty14.Reading aloud every day can be one of the mostways to improve your spoken English.A.evidentB. effectiveC.favoriteD.favorable15.If Peter had told his teacher about his difficulty in math homework,shehim before theexam.A.helpsB. will helpC.would have helpedD.would help16.all the difficulties,the researcher continued her research.A.In case ofB.In spite ofC.Because ofD.Instead of17.The organizers of the conference have arranged hotel rooms for those studentsfrom out oftown.B.comeA.to comeD.to have comeC.coming18.The job applicant was worried about the interviewhe was well prepared.A.ifB. becauseC. whenD.though19.It was suggested that this hardworking girlan example for other students.B.will be setA.be setC.could be setD.had been set20.Since computers were introduced,theyto be useful tools for people weak in math.A.had provedB.have provedD.are provingC.will prove
[单选题]以下关于财务目标正确的说法是( ).A.资产回报率=净利润÷净价值B.资产回报率=净利润率×财产杠杆C.财产杠杆=净价值÷总资产D.净价值回报率=资产回报率×财产杠杆
[填空题]全双工通信是通信双方都有发送器和 ,接收和发送可以同时进行.
[多选题]( )属于要约邀请A.寄送的价目表B.招标公告C.拍卖公告D.投标书
[单选题]LGJQ型导线的含义是什么()A.钢绞线B.铝绞线C.加强型钢芯铝绞线D.轻型钢芯铝绞线
[判断题]电流互感器在工作时二次侧允许开路
[单选题]在中性点直接接地电网中发生接地短路时,零序电压最高处为A.接地故障点处B.变压器接地中性点处C.保护安装处D.发电机接地中性点处
[多选题]2000年底某市人口数400万人,它属于( )A.综合指标B.数量指标C.质量指标D.时点指标E.时期指标
[填空题]电气主接线的主体是线路回路和 .
[单选题]有一批灯泡共1000箱,每箱200个,现随机抽取20箱并检查这些箱中全部灯泡,此种检验属于( )A.纯随机抽样B.类型抽样C.等距抽样D.整群抽样
[问答题]灌注桩与预制桩相比具有哪些特点
[填空题]感应电机转速变化时,转子磁势相对定子的转速是否改变?相对转子的转速是否改变
[填空题]王某与单位签订劳动合同,约定从事车间工人工作,合同期间,单位书面通知王某从事销售工作,王某从事销售工作半年后,由于业绩不佳,常常无法获得销售奖金,王某认为车间工作报酬较为固定,要求回车间工作,单位予以拒绝.问题分析: 单位调动王某的工作行为是否有效?王某是否应回车间工作
[判断题]在解决绩效面谈困惑的方法中有一种被称为“汉堡法”,那么中间的一层是批评
[单选题]适用于甄选和晋升决策的绩效考核方法是A.组织行为修正法B.行为观察评价法C.关键事件法D.评价中心法
[单选题]现有某个网站地址的最后一段是edu,那么一般情况下它属于什么机构( ).A.网络中心B.政府机构C.教育机构D.商业机构