09年四中小升初数学试题.docx
- 文档编号:23289045
- 上传时间:2023-05-16
- 格式:DOCX
- 页数:15
- 大小:37.88KB
09年四中小升初数学试题.docx
《09年四中小升初数学试题.docx》由会员分享,可在线阅读,更多相关《09年四中小升初数学试题.docx(15页珍藏版)》请在冰豆网上搜索。
09年四中小升初数学试题
1
四中小升初数学试题
一、计算题1.直接写出结果(12分)
⑴18
72923
÷=⑵387.2514.5⨯+=
⑶13495.6295695.6195⎛
⎫÷-+-⨯=⎪⎝
⎭⑷1344÷⨯=
⑸21231724.616.37558⎛⎫
--+=⎪⎝⎭
220.240.160.240.16-=-.
2.求未知数x(9分)
⑴0.80.10.06x-=;5436
0.4
xx=-;
⑶定义新运算:
32abab=-△.已知417x=△
(△),求x的值.3.计算下列各题,能简算的要简算(14分)
⑴325.730.683.20.5736.25⨯⨯+⨯⨯();
⑵128.140.00570017
7⎡⎤
⎛⎫÷-⨯÷⎪⎢⎥⎝⎭⎣⎦
⑶99999777783333366666⨯+⨯
二、填空题(30分)1.如图所示,平行四边形的面积是50平方厘米,阴影部分面积是()
平方厘米.
2.一个正方体的棱长增加原来的1
2
,它的表面积比原表面积增加()%.
3.自然数A、B满足111
182
AB-=,且713AB=∶∶.那么AB+=().
4.图中有()条线段,()个三角形.
5.在比例尺1
25000000∶地图上量得甲、乙两地的距离为4.2厘米,一列火车以每小时250千米的速度从甲地开往乙地,需要()小时.6.甲、乙、丙三人共同加工一批零件,甲比乙多加工20个,丙加工零件数是
乙加工零件数的45,甲加工零件灵敏是乙、丙加工零件总数的5
6
,甲、丙分别加工零件数为(),
().
7.有甲、乙两桶油,甲桶油的质量是乙桶的5
2
倍,从甲桶中倒出5
千克油给乙桶,甲桶油的质量是
2
乙桶的
4
3
倍,乙桶中原有油()千克.8.原计划用24个工人挖一定数量的土方,按计划工作5天完成,因为调走6人,于是剩下的工人每天比原定工作量多挖1方土才能如期完成任务,原计划每人每天挖土()方.
9.一列火车长152米,它的速度是每小时63.36公里,一个人与火车相向而行,全列火车从他身边开过用8秒钟,这个人的步行速度是每秒()米.
10.在4点多钟时,时钟的时针和分针在一直线上且方向相反,这时是4点()分.
11.足球赛门票15元一张,降价后观众增加了一半,收入增加了五分之一,一张门票降价是()元.
12.在947后面添上三个不同的数字,组成一个被2、3、5同时整除的最小的六位数,这个数是().13.甲、乙、丙三种糖果每千克的价格分别为9元、7.5元、7元.现把甲种糖果5千克,乙种糖果4千克,丙种糖果3千克混合在一起,那么用10元可买()千克这种混合糖果.
14.
如图,已知5CD=,7DE=,15EF=,6FG=,线段AB将图形分成两部分,左边部分面积是38,右边部分面积是65,那么三角形ADG的面积是().G
F
DC
B
A15.小明从家到学校有两条一样长的路,一条是平路,另一条的一半是上坡路,一半是下坡路,小明
上学两条路所用的时间一样,已知下坡的速度是平坡的3
2
倍,那么上坡路的速度是平坡的()
倍.
三、解决问题(24分)1.下面是从同样的圆上剪去相同的“叶形”后的边角料,请你将这两块边角料剪开再拼成一个正方
形.想一想可以怎样剪拼?
在边角料上画出你的剪法,然后拼在右边的方框里.
2.
把下图中左图的图形放大成原图面积的4倍,形状不变,画在右边的方格纸中.
3
3.
用同样大小的方砖铺一个正方形地面,两条对角线铺灰色的,如图所示.当铺满这块地面时,共用了97块黑色的瓷砖,那么用了()块白色的瓷砖.
4.
有一把长为9厘米的直尺,你能不能在上面只刻上三条刻度线,使得这把直尺可以依次量出1到9厘米的所有整厘米的长度.
9
5.
如图,将自然数1,2,3,4,…按简明头所指方向顺序排列,依次在2,3,5,7,10等数的位置处拐弯,如果2算做第1次拐弯处,那么第45次拐弯处的数是().
6.
正三角形ABC的边长是6厘米,在一条直线上将它翻滚几次,使A点再次落在这条直线上,那么A点在翻滚过程中经过的路线总长度是多少厘米?
如果三角形面积是15平方厘米,那么三角形在滚动过程中扫过的面积是多少平方厘米?
(结果保留π)
四、解答题(31分)1.
若灯泡的瓦数是a瓦,使用t小时,则耗电量是
1000
at
度.如果用户平均每天使用电灯泡3小时,每一度电的电费0.4883元,那么用一个15瓦的灯泡比用一个40瓦的灯泡每月(按30天计)大约可节约多少元(精确到1分)?
42.某校120名学生在植树劳动中推车运土,若规定每两名男生推一辆车,每三名女生推一辆车,则恰好使用了48辆小推车,请问:
这120名学生中有多少名女生?
3.
在公路上,汽车A、B、C分别以80km/h,70km/h,50km/h的速度匀速行驶,若汽车A从甲站开往乙站的同时,汽车B、C从乙站开往甲站,并且在途中,汽车A在与汽车B相遇后的两小时又与汽车C相遇,求:
甲、乙两站相距多少km?
4.
将边长分别为4、8、12、16、20的正方形并排在一起(如图),一条与正方形的边平行的直线CD将该图形分为面积相等的两个部分,那么AB的长是多少?
D
C
A
20
12
8
5.
甲、乙两人合作清理400米环形跑道上的积雪,两人同时从同一地点背向而行各自进行工作,最
初,甲清理的速度比乙快1
3
,中途乙曾用10分钟去换工具,而后工作效率比原来提高了一倍,
结果从开始算起,经过1小时,就完成清理积雪工作,并且两人清理的跑道一样长,问乙换工具后又工作了多少分钟?
5
客观题部分
一、单项选择(20分
1.Therearetwo_____inourschool.A.libraryB.libraries.C.librarys
2.Therearen’t_____applesinthebasket,buttherearesomeonthetable.A.someB.anyC.a
3.—Isthereadininghallinyourschool?
—__________
A.Yes,thereare.B.No,thereis.C.Yes,thereis.
4.Look,mygrandmotheris_____mygrandfather.A.ontheleftofB.next
C.ontherightof
5.—Haveyougotadictionary?
—_______________
A.Yes,Ido.B.Yes,IgotC.Yes,Ihave.6.—Whereare_____?
—Theyareonthechair.
A.Tony'sbooksB.Tony'sbookC.Tonybooks7.He______anyauntsoruncles.
A.doesn'thasgotB.haven'tgotC.hasn'tgot8.—Howmanycomputers_____inyourclassroom?
—Therearetwo.
A.arethereB.areyouhaveC.doesyouhave9.—Where_____you_____?
—I'mfromBeijing.
A.are,fromB.do,fromC.are,come10._____isadoctor.Whatabout_____father?
A.His,yourB.Her,your’sC.His,you
11.Thereare_____studentsinourclass.Thatis19boysand21girls。
A.fortyB.fourtyC.fourteen
12.Juiceandwaterarehealthydrinks,_____Cokeisn'thealthydrink.A.andB.butC.or13.CanIhave_____water?
A.theseB.someC.one14.Linglingisin__________.A.ClassFour,GradeOneB.GradeOne,ClassFourC.Classfour,gradeone15.What'syour_____fruit?
A.verylikeB.favouriteC.muchlike16.Shecan't________inthelake.
A.swimmingB.swimingC.swim17.There__________acatandtwodogsinmyhome.
6A.beB.isC.are
18.He_____hamburgers.
A.likeeatB.likeseatingC.liketoeats
19.Theofficebuilding_____theclassrooms.
A.behindB.behindsC.isbehind
20.__________thereanyapplesinthekitchen?
A.HaveB.BeC.Are
二、智力测验(5分
21.Parisisthecapitalof__________.
A.theUSAB.theUKC.FranceD.Australia
22.About________percentoftheearth'ssurfaceiscoveredwithwater.
A.29B.82C.71D.100
23.Acartravelsatarateof50milesperhour.Howlongwillittaketotravel300miles?
A.250hoursB.6hoursC.1/6hoursD.15000hours
24.BeijingOlympicGamesarethe__________modemOlympicGames.
A.B.C.D.
25.Thenumberofsecondsinoneday_____Thenumberofminutesinoneweek
A.>B. 三、完形填空(10分 NBAisthemostfamousbasketballgameintheworld.There_____26_____aChineseplayerinthisgame.HisnameisYaoMing.Heis_____27_____playerinthisgame。 Inhissparetime,Yao_____28_____cars.OnlastChristmas,hedrove_____29_____oldcartovisitoneofhis_____30_____.Onhisway,he______31_____apolicemanfollowinghim.Finally,hestoppedandsaidtothepoliceman: “______32_____Christmas,sir.Isthereanythingwrongwith me? ”.“No,ofcoursenot”answeredthepoliceman.“Then_____33_____didyou_____34_____me? ”askedYao.“______35______beangry.”saidthepoliceman: “Youdidnothingwrong,Ionlywanttoaskyouforasignature(签名! ” 26.A.beB.areC.is 27.A.tallB.thetallestC.tallest 28.A.1ikesdrivingB.1ikesdriveC.1ikedriving 29.A.aB.anC.the 30.A.friendsB.friendC.thefriend 31.A.seesB.seedC.saw 32.A.MarryB.MerryC.Happy 33.A.WhyB.HowC.When 34.A.askB.followC.stopped 35.A.Don’tB.Youdon’tC.Youcan't 四、阅读理解(30分 (A Thefollowingdiscussion(讨论tookplace(发生betweenafatherandhisnine-year-oldson. 7 “It'stimeforyoutolearn.Whereareyourcleansheets(床单? ” “Idon'tknow.” “Whatdoyoumeanyoudon'tknow? Youneedtotakecareofyourthings.” “WhereareJack'ssheets? ”thefathercalledtohiswife. “Rightnexttoours,”thewifeanswered. Afteramoment,thefatheraskedslowly,“Wherealeours? ” 36.Thediscussiontakesplacebetween________. A.ahusbandandawifeB.amotherandherson C.afatherandhissonD.amotherandafather 37.Thesondoesn’tknow_____. A.howtowashhissheetsB.howtomakehisbed C.howtocleanhissheetD.howtocleanhisbed 38.Thefatherdoesn'tknow_____. A.howtowashsheetsB.howtomakehisbed C.howtocleansheetsD.wherehissheetsare 39.Thefathersayshissonis_____becausehedoesn'tknowwherehis_____is. A.careful,sheetB.careless,bed C.careful,bedD.careless,sheet 40.Whodoyouthinktakecareofthehousework(家务inthefamily? A.thefatherB.themother C.thechildD.Noone (B Agirlmaypasseasilythroughthefirstgrades.Whileboysofheragebringhomelowmarks,thegirlmaygeteasilygoodgrades.Girlsseemtohave“betterbrains”inschool.Whydosofewgirlsbecomescientists? Whyisthemostimportantthinkinginadult(成人worlddonebymen? Accordingto(根据scientists,theanswerisaggression(敌对行为.Boysusuallyrefusetoacceptotherpeople'sconclusion(结论.Theyinsistonsolvingproblemsbythemselves.whilelittlegirlsaregettinghighmarksinschoolforrememberingwhattheteacherhastoldthem,littleboysarelearningtothinkintheirownways.Boysareusuallytheoneswhogethighpayandthepowerfuljobbecausetheyaretobeaggressiveatanearlyage. 41.Girlsgetbettermarksatschoolthanboysbecause_________. A.boysarelazier B.girlsarebetteratrememberingthingsthanboys C.girlsareclevererthanboys D.teacherscaremoreforgirlsthanforboys 42.Therearesofewwomenscientistsbecause__________. A.boysareclevererthangirls B.girlsarelesscaredfor C.girlsarelazier 8 43.Accordingtothescientists,__________. A.boysaregoodatthinkingintheirownwayswhilegirlsarerememberingthings B.boysCaneasilygetfoodjobswhilegirlscan't C.girlsinsistondoingthingsontheirown D.thenatureoftheboysandgirlsisthesame.buttheireducationisdifferent 44.Intheviewofthewriter,__________. A.girlshavebetterbrains B.boyshavebetterbrains C.neitherboysnorgirlshavebetterbrains D.usuallygreatscientistsaremenandmostimportantthingsaredonebymen 45.Whichofthefollowingisright? A.Boysareclevererinschool. B.Girlsareclevereratanearlyage. C.Boysandgirlshavegoodpointsindifferentways.D.Boyshavegoodpointsonlywhentheyentertheadultworld 主观题部分 五、根据首字母选择单词的适当形式填空(10分 51.I’mtenyearsoldandmysisteristwoyearsolderthanme,sosheist_____yearsold。 52.Chinesepeopleareverygoodattablet_____,andit'sourfavoritesport. 53.Linglingisnowreadingbooksintheschooll__________. 54.Ihaveapenfriend,andwealwayssende_____toeachotherbycomputer. 55.Ice-creamandcandiesarenothealthyfood.Theyaleu_____food. 56.What’sthew_____likeinspring? It'swarm. 57.Whenyouseeforeignfriendsinourschool,youcansaytothem“W_____tomyschool”. 58.Myuncleisaworker.Heworksinaf_____. 59.Yourfatherandyourmotherareyourp_____. 60.Don'ttakethisbookbecauseitismine.Y_____isonthetable. 六、阅读与表达(10分 “Earlytobed,earlytorise”makesamanhealthy,wealthyandwise.It'sgoodforthebody. Thisisanoldsaying.Haveyouheardofitbefore? Itmeansthatwemustgotobedearlyat 9nightandgetupearlyinthemorning.Thenweshallbehealthy.Weshallalsoberichandclever. Thatistrue.Thebodymusthaveenoughsleeptobehealthy.Childrenofyoungageshouldhaveenoughsleep,ortheycan'tdotheirworkverywell.Theywillnotbewiseandtheymaynotbecomewealthy! Thebodyalsoneedsexercise: walking,running,jumpi
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 09 中小 数学试题