[填空题]将2004个“1”异或起来得到的结果是( )
[单选题]施工企业的项目经理指挥失误,给建设单位造成损失的,建设单位应当要求( )赔偿.A.施工企业B.施工企业的法定代表人C.施工企业的项目经理D.具体的施工人员
[填空题]曲线y=x3-3x+2的拐点是( )
[单选题]对于硬度≤350HB.的闭式齿轮传动,设计时一般( )A.先按接触强度计算B.先按弯曲强度计算C.先按磨损条件计算D.先按胶合条件计算
[填空题]电力系统频率偏高和偏低有哪些危害
[问答题]商业银行资本金由哪些要素构成
[名词解释]圈梁
[多选题]变压器空载试验目的是( )A.确定电压比B.判断铁芯质量C.测量励磁电流D.确定线圈有无匝间短路故障
[填空题]的分类是按照供电中断或减少所造成的后果的严重程度划分的
[单选题]已知放大电路中某晶体管三个极的电位分别为,则该管类型为 【 】A.NPN型锗管B.PNP型锗管C.NPN型硅管D.PNP型硅管
[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
[多选题]路基压实度评定时,当K≥K0,且单点压实度ki全部大于等于规定极值时,评定路段的压实度可得A.满分B.合格C.对于测定值低于规定值减2个百分点的测点,按其占总检查点数的百分率计算扣分D.对于测定值低于规定值减1个百分点的测点,按其占总检查点数的百分率计算扣分
[单选题]日光灯电路的灯管电压与镇流器两端电压和电路总电压的关系为A.两电压之和等于总电压B.两电压的功率和等于总电压C.两电压的相量和等于总电压D.两电压的和等于总电压
[问答题]解释发电机的三次谐波是怎样产生的
[填空题]一级负荷中特别重要的负荷,除由( )个独立电源供电外,尚应增设( ) ,并严禁其他负荷接入 .
[单选题]在下图中,输出电压U的大小为(设二极管D.理想二极管) 【 】A.4VB.6VC.8VD.3V
[填空题]10KV高压变电所一般由 ( )、 ( ) 和 ( ) 组成.
[判断题]他励直流电动机在固有特性上弱磁调速,只要负载不变,电动机转速升高.
[多选题]MC.-51 单片机执行以下哪些指令,PC是顺序加1改变.A.LJMP L1B.MOV A, R0C.ACALL STRD.INC R7
[多选题]杆件受力作用如图所示.若A.B.,B.C.,C.D.三段的横截面面积分别为A.,2A.,3A.,则下列结论中正确是( ).A. 各段横截面上的轴力相等,各段横截面上的正应力也相等;B.各段横截面上的轴力不相等,各段横截面上的正应力也不相等;C.各段横截面上的轴力相等,而各段横截面上的正应力不相等;D.各段横截面上的轴力不相等,但各段横截面上的正应力却相等.
[问答题]简述人员测评的类型.