人教版新课标小学五年级上册数学第二单元测试题

小学数学五年级一班10月月考试卷姓名：成绩一．填空：（24分）1、0.78÷3.9，除数是（）位小数，被除数和除数的小数点同时向（）移动（）位，转化成（）÷（）。2、3.25×0.5的积是（）位小数，积保留两位小数是（）。3、a的2.5倍比一个数少3，这个数是（）。4、1.29595……的循环节是（），可以简写成（），保留两位小数约是（）。5、李老师买了单价1.5元的签字笔x支，付款a元，应找回（）元。6、最小的四位数是（），最小的三位数是（），它们的差除以0.001，商是（）。7、在○里填上“＞”“＜”或“=”。0.58×0.98○0.589.48÷3.2○9.481.05÷0.9○1.053.24×0.1○3.24÷0.18、如果一个三位小数取近似数是4.50，那么它最大可能是（），最小可能是（）。9、每套童装用布2.2米，50米最多能做（）套。10、已知912÷48=19，那么9.12÷0.48=（），0.912÷4.8=（）。二、请你来当小裁判。（5分）1、一个数乘小数的积一定比这个数小。（）2、一个数除以0.01，也就是把这个数扩大100倍。（）3、一个正方体魔方，从不同的方向看到的都是正方形。（）4、2.463025……是一个无限小数，也是一个循环小数。（）5、无限小数比有限小数大。（）三、用心选一选。（10分）1、下面各式中商最大的是（）。A、8.2÷0.1B、8.2÷0.01C、8.2÷0.0012、60.15×0.26的积有（）位小数。A、二B、三C、四3、如果一个两位小数的近似值是3.6，那么这个数的最大值是（）。A、3.64B、3.66C、3.594、下列式子中是方程的是（）。A、8a=0.8B、0.17x+2.53C、3y+7＞105、方程x+1.6=7.4的解是（）。A、5.8B、9C、8.5四、计算（34分）1、直接写出得数：（4分）4×0.25=0.2÷0.4=5.7+3.8=4.2÷2.1=0.2×0.6=4.6-0.46=1.8×0.2=7.1÷0.1=2、竖式计算：（12分）32.7×0.75=43.68÷26=25.3÷0.88=3、脱式计算，能简算的要简算。（12分）2.139÷9.3×6.22.06+2.06×990.72×0.8÷0.323.8×1.96-3.8×0.964、解方程。X-2.4=1.82x=8.4x÷2.1=0.3五、画出下面物体从不同方向所看到的平面图形。（6分）正面：上面：左面：六、应用题：（30分）1、一个筑路队7.5小时修路136.5米,照这样计算,8小时可修路多少米？2、一双皮鞋需要牛皮8.1平方分米，一块56平方分米的牛皮可做多少双皮鞋？3、果农们要将680千克的葡萄装进纸箱运走，每个纸箱最多可以盛下15千克。需要几个纸箱呢?4、四辆汽车5天运水泥920袋。平均每辆汽车每天运水泥多少袋？5、标准件厂今年6月份工业用电4.5万度，7月份用电量是6月份的2.6倍，两个月共用电多少万度？本文内容完，以下内容与本文无关。emphasizingindividualrightsattheexpenseofsociety.“Anethicalsociety,”hesaid,“isonewhichmatcheshumanrightswithresponsibilities.”1.WhatcharacterizesSingapore’sadvancementisits___.A.computermonitoring.B.workefficiency.C.highproductivity.D.valueonethics.2.FromNixon’sperspective,Leeis___.A.almostasgreatasChurchill.B.notasgreatasChurchill.C.onlysecondtoChurchillinbeingaleader.D.justasgreatasChurchill.3.Inthelastparagraph,“lostitsbearings”maymean___.A.becomeimpatient.B.failedtofindtherightposition.C.lostitsfoundation.D.grownband-mannered.4.“Youcanbeanythinghere”(Paragraph5)maybeparaphrasedas___.A.Youcanhopeforaverybrightprospect.B.Youmaybeabletodoanythingneeded.C.Youcanchooseanyjobasyoulike.D.Youwillbecomeanoutstandingworker.5.InSingapore,theconceptofefficiency___.A.hasbeenemphasizedthroughoutthecountry.B.hasbecomeanessentialqualityforcitizenstoaimat.C.isbroughtforwardbythegovernmentinordertocompetewithAmerica.D.isknownasthebasisforbuildingthe“IntelligentIsland.”TranslationChinesetoEnglishCamellianaturallybloomsbetweenDecemberandAprilinthenextyear,mainlyinredaswellasinyellowandwhite,withitsbrightandgorgeousblossom.TheFlowerShow,whichdisplaysintofullthevarietiesandtechnologicalresearchoftheflower,marksthelargestoneinourcityinrecentthreeyears.InordertoenablethevegetationloverstoembraceCamellia,theflowershowextendsitsplacetothewholegarden,makingitmoreconvenientforthevisitors.TheFlowerShowlastsfortwomonthsandmorethan200typesofcamelliawillmakeitsappearanceduringtheperiod.TranslationEnglishtoChineseAtitsheart,psycholinguisticworkconsistsoftwoquestions.Oneis,Whatknowledgeoflanguageisneededforustouselanguage?Inasense,wemustknowalanguagetouseit,butwearenotalwaysfullyawareofthisknowledge.Adistinctionmaybedrawnbetweentacitknowledgeandexplicitknowledge.Tacitknowledgereferstotheknowledgeofhowtoperformvariousacts,whereasexplicitknowledgereferstotheknowledgeoftheprocessesormechanismsusedintheseacts.Wesometimesknowhowtodosomethingwithoutknowinghowwedoit.Forinstance,abaseballpitcher(投手)mightknowhowtothrowabaseball90milesanhourbutmighthavelittleornoexplicitknowledgeofthemusclegroupsthatareinvolvedinthisact.Similarly,wemaydistinguishbetweenknowinghowtospeakandknowingwhatprocessesareinvolvedinproducingspeech.Generallyspeaking,muchofourlinguisticknowledgeistacitratherthaneineconomicactivity-thesharingeconomy.Thebiggestsectorofthesharingeconomyistravel.Youfindapotentialhostthroughawebsite.Ifyoubothgetalongandtheyareavailableduringyourplannedtrip,youstandachanceofgettingaplaceforfree.Inaddition,peoplealsousewebsiteandappstorentouttheircars,houses,tools,clothesandservicestooneanother.Timemagazinehasincludedthistrendinalisttitled“10ideasthatwillchangetheworld.”Itsaid,“Inanerawhenfamiliesarescatteredandwemaynotknowthepeopledownthestreet,sharingthings-evenwithstrangerswe’vemetjustonline-allowustomakemeaningfulconnections.”WhatdoyouthinkofTime’scomment?erawhenfamiliesarescatteredandwedonotreallyknowthepeoplewholivenearby.Ithasbeensaidthat“Joyssharedwithothersaremoreenjoyed.”However,inmyeyes,theresourcessharedwithothersaremorebeneficialtooursociety.Ontheonehand,sharingeconomyleadstoamoreefficientuseofresources.Someitemsareexpensivetobuybutwidelyownedbypeoplewhodonotmakethebestuseofthem.Occasionalsharingmayprovideextraincomefortheownersandcanbelesscostlyfortheborrowers.Ifmanagedwell,awin-winsituationisachievedforbothpartiesintheprocess.Besides,sharingeconomycontributestoenvironmentalprotection.Takeaccommodationforexample.Themorehotelsarebuilt,themoreresourcesarerequired,whichmightinturnresultinadecreaseinarablelandandpublicgreenspace.Ontheotherhand,thetransactioncostisreducedduetotheuseofInternetandvariousapps.Withasmartphoneinyourhand,itisnotdifficulttofindapotentialhostintheneighboringarea.Peoplearemeet