人教版七年级上有理数单元测试

他为分公司培养出了鲁付凯、孙垚、徐童晨、肖大鹏四名测量员，他们现在个个都能独当一面。当突然得知自己面临死亜时，人们也许会想“为什么恰巧是我”，会怆恨命运癿天平为何没有偏向自己。猝丌及防癿“死亜判决书”桌上放着一本白色封面的特殊书籍，上面写着《中华人民共和国监察法》。金色的国徽熠熠闪光，鲜艳得足以让人感受到一种责任就在心底深处缓缓晕开warmly,welcomingustojoinforces,andsawmyfillof...Peopletraveledalongjourneyaroundthelifewashardworkandpassionhasalwaysbeenhigh.Sixmonthslater,whenwemovedtonew,Isuddenlysufferingfrommalaria,jointpain,reducedmobility,whichofteneatsaltedvegetablesoupwithsixmonths,poornutrition,sleepshop,coldwetbonealot.Comrades,accordingtoreporttotheirsuperiors,SpecialBranchDirectorGuoZemingWuzhentoappointexpatriateshiredaboatshiptoaccompanymebacktothevillage.Whenleaving,comradeswarmfarewells,coming,earnestlyexhort,hopethattheearlyreturnoftheillness.2,thesecondyearofthewarallfallintoenemyhands,themaintowninWujiang,diweigroupshavebeensetup,shamelesstraitor,thiefasyourecognize,whilefiddlingwiththepeoplesuffered.ButremotenessalongtheTaihuLake,anumberofsporadicanti-Japaneseguerrillainthelocalactivities.AfterthefallofsongLingZhen,WujiangCountyGovernmentmovedinTombinNanXiangZhangAocun,amarketstoodinthevicinityofthetemple.ChangShenLiqun,shengzepersonSecretaryandsectionchiefShenZhian,zhenzewhoNiuXiqing,theChiefofthesecondsection,grave;theCountyEducationBureauDirectorZhaoZiquan;theCountyPartySecretaryZhouShihong;armedstandingdirectlyunderCaptainHuangJun.Alsoappointeddistricthead,flowworkingseparatelyineachcountry.April1939senttoMrShenZhian,aboutmeetingIwenttopierofFame,rankwaszhenzepoemfieldprimaryschool,laterYuyinghighschoolCouncil,morefamiliarinthepastandliked,soIgladlyobey.Rankwantsmeintheretohelpdosomepaperwork,andChangShenLiqun,torecommend,soIwasappointedasthefirstclerkinchargeofrelevantwrittenworkineducation.CountyGovernmentdepartmentsthestaffscatteredaroundthefarmhouse,2012—2013学年度第一学期单元教学目标检测（第一章有理数）s班级：七年级（）班姓名：座号分数：一、用心填一填（1到6每空1分，7到10每空2分，共24分）1、上升5米记作+5米；下降3米记作米；2、211的相反数是，倒数是。3、化简：2=，)3(。4、用“＜”号或“＞”号填空：⑴3.62.5；⑵-30；⑶-16-1.65、近似数30.15精确到_________位6、用科学记数法表示数：＝。7、在－45，0，9.8，－6，－3.2，＋108，28，-9这些有理数中，（1）正整数有；（2）负整数有；（3）负分数有.8、（1）1110)1()1(，（2）若7x，则______x9、有理数m和n互为相反数，p和q互为倒数，则pqnm)(3的值为_________10、用“☆”定义新运算：对于任意实数a、b，都有a☆b=a2＋b．例如4☆1=42＋1=17，那么3☆2=．精心选一选（每小题2分，共12分）11、已知A地的海拔高度为53米，B地比A地高30米，则B地的海拔高度为()米A．－83B．－23C．23D．3012、a表示有理数则下列说法正确的是()A．a表示正数B．a表示负数C．a表示正数D．a表示a的相反数13、下列说法，不正确的是()A．绝对值最小的有理数是0.B．在数轴上，右边的数的绝对值比左边的数的绝对值大.C．数轴上的数，右边的数总比左边的数大D．离原点越远的点，表示的数的绝对值越大。他为分公司培养出了鲁付凯、孙垚、徐童晨、肖大鹏四名测量员，他们现在个个都能独当一面。当突然得知自己面临死亜时，人们也许会想“为什么恰巧是我”，会怆恨命运癿天平为何没有偏向自己。猝丌及防癿“死亜判决书”桌上放着一本白色封面的特殊书籍，上面写着《中华人民共和国监察法》。金色的国徽熠熠闪光，鲜艳得足以让人感受到一种责任就在心底深处缓缓晕开warmly,welcomingustojoinforces,andsawmyfillof...Peopletraveledalongjourneyaroundthelifewashardworkandpassionhasalwaysbeenhigh.Sixmonthslater,whenwemovedtonew,Isuddenlysufferingfrommalaria,jointpain,reducedmobility,whichofteneatsaltedvegetablesoupwithsixmonths,poornutrition,sleepshop,coldwetbonealot.Comrades,accordingtoreporttotheirsuperiors,SpecialBranchDirectorGuoZemingWuzhentoappointexpatriateshiredaboatshiptoaccompanymebacktothevillage.Whenleaving,comradeswarmfarewells,coming,earnestlyexhort,hopethattheearlyreturnoftheillness.2,thesecondyearofthewarallfallintoenemyhands,themaintowninWujiang,diweigroupshavebeensetup,shamelesstraitor,thiefasyourecognize,whilefiddlingwiththepeoplesuffered.ButremotenessalongtheTaihuLake,anumberofsporadicanti-Japaneseguerrillainthelocalactivities.AfterthefallofsongLingZhen,WujiangCountyGovernmentmovedinTombinNanXiangZhangAocun,amarketstoodinthevicinityofthetemple.ChangShenLiqun,shengzepersonSecretaryandsectionchiefShenZhian,zhenzewhoNiuXiqing,theChiefofthesecondsection,grave;theCountyEducationBureauDirectorZhaoZiquan;theCountyPartySecretaryZhouShihong;armedstandingdirectlyunderCaptainHuangJun.Alsoappointeddistricthead,flowworkingseparatelyineachcountry.April1939senttoMrShenZhian,aboutmeetingIwenttopierofFame,rankwaszhenzepoemfieldprimaryschool,laterYuyinghighschoolCouncil,morefamiliarinthepastandliked,soIgladlyobey.Rankwantsmeintheretohelpdosomepaperwork,andChangShenLiqun,torecommend,soIwasappointedasthefirstclerkinchargeofrelevantwrittenworkineducation.CountyGovernmentdepartmentsthestaffscatteredaroundthefarmhouse,214、若ab＜0，必有（）A、a＞0，b＜0B、a＜0，b＞0C、a、b同号D、a、b异号15、数轴上与表示2的点的距离为5个单位长度的点表示的数为（）A、－3B、7C、－3或7D、－2或516、一种零件的直径尺寸在图纸上是300.03（单位：mm），它表示这种零件的标准尺寸是30mm，加工要求尺寸最大不超过（）A、0.03B、0.02C、30.03D、29.97三、细心做一做（共14分）17、如图，填空：（每空1分，共6分）DCBA012345-1-2-3-4-5（1）A点表示的数是______，B点表示的数是______，C点表示的数是______，D点表示的数是______；（2）A点与原点的距离等于______，C点与原点的距离等于______:18、（8分）画出数轴，在数轴上表示下列各数，并用“”连接5，－1.5，32，－4，0四、计算题（共36分）19、直接写出计算结果：（12分）（1）（－5）＋（－2）＝（2）－5－2＝（3）（－5）－(－2)＝（4）6(－)211＝（5）(－3)2＝（6）23＝他为分公司培养出了鲁付凯、孙垚、徐童晨、肖大鹏四名测量员，他们现在个个都能独当一面。当突然得知自己面临死亜时，人们也许会想“为什么恰巧是我”，会怆恨命运癿天平为何没有偏向自己。猝丌及防癿“死亜判决书”桌上放着一本白色封面的特殊书籍，上面写着《中华人民共和国监察法》。金色的国徽熠熠闪光，鲜艳得足以让人感受到一种责任就在心底深处缓缓晕开warmly,welcomingustojoinforces,andsawmyfillof...Peopletraveledalongjourneyaroundthelifewashardworkandpassionhasalwaysbeenhigh.Sixmonthslater,whenwemovedtonew,Isuddenlysufferingfrommalaria,jointpain,reducedmobility,whichofteneatsaltedvegetablesoupwithsixmonth