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教案备课库《中考数学模拟卷(一)》真题及答案
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Larryismybestfriend.Heoftenhelpstobringthebestinme.
一个人通过细绳用20N的力拉着小车在光滑的水平面上运动如果细绳突然断了小车将做运动这时小车在水平方向上一定选填受或不受力.
-AretheglassesTim’s?-Notheybehis.Hedoesn'twearglares.A.must B.canC.mustn’t D.can’t
JohnsonlivedinacertainpartofLondon.Everymorninghewokeupearlyandtookanoldbagtothesubwaystation.HewouldtakethesubwaytoCentralLondon.Therehewouldcollectscrap废品.Hedidthiseverysingleday.Johnsoncollectedscrapfor20years.Hishousewasdirtyandabadsmellcameoutofthehouse.Theneighborscouldnotstandthesmellanymoresotheycalledthepoliceofficerstodealwiththeproblem.Theofficersopenedthedoorandclearedthehouse.Theyfoundsomemoneyinhishouse.ThepolicesoonknewthatJohnsonwasnotatrulypoormanbecausehecouldliveanormallifewiththemoney.Theydecidedtotrytostophimcollectingscrap.IntheeveningthepolicefoundJohnsonnearhishouse.Oneoftheofficerstoldhimthattherewasnoneedforhimtocollectscrapanymore.Johnsonwentbacktohishousewithoutsayinganything.Thenextmorninghewokeupasusualandcontinuedcollectingscrap.AcoupleofdayslaterthepoliceknewthatJohnsonhadtosendmuchmoneytohisoldparents.Theywerebadlyillformanyyearsinasmallvillage.Althoughtheycouldgetrelief救济金fromthegovernmentJohnsonrefused.Hebelievedhecouldmakemoneybyhisownhands.Afterknowingthetruththeofficersannouncedthefacttotheneighbors.AllofthemunderstoodandadmiredJohnson.Johnsonhadnogreatplansordreamsallhislife.Hewonpraisefromothersbecausehekeptindependenceinhismind.Theearlierpeoplelearntobeindependentthemoremeaningfullifetheywillget.根据短文内容回答下列问题. 66.WhatdidJohnsontaketothesubwaystationeverymorning? 67.HowlongdidJohnsoncollectscrap? 68.Whocalledthepoliceofficers? 69.WhendidthepolicefindJohnson? 70.WhycouldJohnsonwinpraisefromothers?
小明发现生鸡蛋放入水中会下沉鸡蛋的密度到底有多大呢他来到实验室做实验.1他将天平放在水平桌面上把游码移到标尺左端处观察到指针的偏转情况如图甲所示他应将平衡螺母向调使天平横梁平衡他把鸡蛋放入天平左盘正确操作后天平的示数如图乙所示他又按图丙所示的方法测出了鸡蛋的体积则鸡蛋的密度为g/cm3.2按他的实验过程鸡蛋密度的测量值鸡蛋的真实密度.
goodfatherMr.Kingis!Healwaysplaysgameswithhisdaughterafterwork.A.What B.Whata C.How D.Howa
按照题目要求作图如图甲所示画出杠杆的动力臂和阻力臂.
alongthisstreetandyoucanfindthehotelonyourrightnexttothemarket.A.Walk B. Towalk C. Walks D.Walking
如图所示的钢丝钳是杠杆剪铁丝时动力臂长为10cm阻力臂长为2cm若铁丝被剪断需要800N的力小明至少用N的力才能将铁丝剪断.
youdon’tknowthenewwordyoucanlookitupinadictionary.A.If B. And C. Though D. Whether
在测量滑轮组的机械效率的实验中用同一滑轮组进行了三次实验如图所示实验数据记录如下表.次数钩码重/N钩码上升距离/cm弹簧测力计示数/N弹簧测力计上升距离/cm机械效率12100.83083.3%24101.53036103090.9%1第2次实验中滑轮组的机械效率为.结果保留一位小数2第3次实验中弹簧测力计的示数漏填由图丙可知弹簧测力计示数为N.3分析数据可得结论是由同一滑轮组提升的物体越重滑轮组的机械效率越选填高或低.4根据实验结论推测使用该滑轮组再次将重8N的物体匀速提升10cm此时滑轮组的机械效率可能为只填序号A.71.6%B.82.4%C.92.1%
TheinternationalKiteFestivalinWeifanginAprileveryyear.A. hold B. held C. isheld D. isholding
TheGreenshavebeentomanycountries.Theywillgothisyear.A. differentsomewhere B. somewheredifferentC. differentanywhere D. anywheredifferent
SuBingtianbroketherecord.HerunsthananyoneelseinAsia.A.fast B.faster C.fastest D.thefastest
Theyoungcouplehaveonesonandtheyexpectthetwochild.
如图所示用两个相同的滑轮组绳重和摩擦不计分别将重力不同的两个物体匀速提高到相同高度其中G1>G2则所用的拉力的大小关系是F1F2其机械效率的大小关系是η1η2.
IoftengotoWanDaCinema.Itisinourcity.A. good B. better C. best D. thebest
按照题目要求作图根据图丙中通电螺线管的S极标出磁感线方向并在括号内标出电源的正极.
TomysurpriseLucycansingEnglishsongsbeautifulatayoungage.
strongthewindis!We’dbetterstayathome.A. What B. Whata C. How D. Howa
-Doyoulikelisteningtocountrymusicorrockmusic?-.ItItbringsmepleasure.A.YesIdo B.Noldon’t C.Ilikemusic DCountrymusic
—Willyougototheparkbybusorbybike?—.A. YesIwill. B. NoIwon’t. C. Iwillgothere. D. Bybike.
如图①在△ABC中∠A=90°AB=AC点DE分别在ABAC上∠ADE=∠ABC.【初步感知】将图①中△ADE绕点A顺时针旋转α度当α=180°时如图②易知△ABE和△ADC的面积相等.【深入探究】将图①中△ADE绕点A顺时针旋转α度当0°<α<360°时如图③猜想△ABE和△ADC的面积之间的数量关系并说明理由.【简单应用】将△ADE绕点A顺时针旋转α度当AB=5AD=3时在旋转过程中△ABE与△ADC的面积和达到的最大值为.
如图所示某同学用弹簧测力计测量铁块没入水中受到的浮力.当他缓慢地提着弹簧测力计将铁块下表面由位置A移至水面B的过程中弹簧测力计示数的变化情况是
Shetogiveatalkabouthowtosavewateryesterday.A.invite B. invited C. isinvited D.wasinvited
B假如你是光华中学的毕业生李文母校想请你在英语沙龙中为初一新生做一次报告谈谈你对初中生活的看法并结合自身经历在学习方法方面给出一些建议15分要求1. 不少于80词2. 文中不得出现真实的人名和校名
如图所示杂技演员正在进行杂技表演.鸡蛋离开手后上升到最高处又落入另一只手中.如不计空气阻力鸡蛋在空中下落的过程中下列说法错误的是
theenvironmentortherewillbemoreanimalsingreatdanger.A. Protect B. Toprotect C. Protects D. Protecting
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