101分班考试
北京市101中学2023-2024学年高一上学期分班考试物理试题(解析版)
北京101中高一入学考试物理一、选择题,在下列各题中,有的只有一个选项,有的有多个选项,请将正确的答案填在答题纸上。
1. 8月5日,奥运会跳水女子单人3米跳板决赛,中国选手吴敏霞、何姿分获金银牌,关于跳水运动员在离开板到入水这一过程中运动员重力势能的分析,下列说法正确的是:A. 一直减小B. 保持不变C. 先增大后减小D. 先减小后增大【答案】C【解析】【详解】运动员上升过程中质量不变,高度增大,重力势能增大,在下降的过程中,质量不变,重力势能减小,所以重力势能的变化情况是先增大后减小.A.A项与上述分析不相符,故A不符合题意;B.B项与上述分析不相符,故B不符合题意;C.C项与上述分析相符,故C符合题意;D.D项与上述分析不相符,故D不符合题意.2.现象说明:A. 油放出的热量比水多B. 油的比热比水大C. 油的沸点比水高D. 油的传热性能比水强【答案】C【解析】的【详解】因为水的沸点在一标准大气压下是100℃,而油在一标准大气压下的沸点高于100℃,所以将面制品在水中煮,只要水不干,就不会发黄、变焦,而在油中炸,则会发黄、变焦.A.A项与上述分析不相符,故A不符合题意;B.B项与上述分析不相符,故B不符合题意;C.C项与上述分析相符,故C符合题意;D.D 项与上述分析不相符,故D 不符合题意.3. 如图所示,用弹簧秤测物体重力时,正确的操作是:A. 用手握紧弹簧秤侧部使其保持竖直放置B. 绳子悬挂住物体的不同部位对测量结果没有影响C. 要保证物体处于静止状态,在匀速行驶的火车上不能做这个实验D. 读数时视线要与指针位置保持在同一水平线上【答案】ABD【解析】【详解】A.用手握紧弹簧秤侧部使其保持竖直放置,弹簧对物体拉力等于物体重力,故A 符合题意;B. 根据二力平衡,绳子悬挂住物体的不同部位对测量结果没有影响.故B 符合题意;C.要保证物体处于平衡状态,匀速行驶的火车上能做这个实验,故C 不符合题意;D.读数时视线要与指针位置保持同一水平线上,故D 符合题意.4. 如图所示电路,两盏相同的电灯在闭合开关后都能发光.过了一会儿,两盏电灯突然同时都不亮了,且电压表和电流表的示数均变为零.如果电路只有一处故障,则故障可能是:A. 电灯L 1断路B. 电灯L 2断路C. 电灯L 1短路D. 电灯L 2短路【答案】A【解析】【详解】A.电灯L 1断路,则整个电路中都没有电流,灯都不亮,电表均无示数.故A 符合题意;B.电灯L 2断路.则电压表会与灯L 1串联,电压表分担电源电压有示数,由于电压表的内阻很大,电路中在电流很小,灯不亮,电流表无示数.故B 不符合题意;C.电灯L 1短路,灯L 2直接接在电源上,会变亮,两电表有示数.故C 不符合题意;D.电灯L 2短路,电压表也短路无示数.但灯L 1接在电源上,会变亮,电流表有示数.故D 不符合题意. 5. 用你所学过的物理知识判断下列说法正确的是:A. 运动快的运动员更不容易停下来,说明运动快的运动员惯性大B. 高压锅煮东西熟得快,因为锅内水的沸点高于100℃,说明温度高的物体含有的热量多C. 一个物体做单向直线运动,在第1秒内、第2秒内、第3秒内运动的距离都是1米,这个物体在这3秒内一定是匀速直线运动D. 教室里的灯都是并联的,一个开关能同时控制6盏灯,这6盏灯同时点亮,同时熄灭【答案】D【解析】【详解】A.运动快的运动员更不容易停下来,并不是运动员惯性大,惯性只与质量有关,故A 不符合题意;B.高压锅,压强大,水沸点就高,会高于100℃;温度高,食物就容易烂;热量对应一个吸热或放热过程,不能说温度高,含有热量多.故B 不符合题意;C.一个物体做单向直线运动,在第1秒内、第2秒内、第3秒内运动的距离都是1米,不一定是匀速直线运动,要强调任意相等的时间内位移相等,才是匀速直线运动,故C 不符合题意;D.教室里灯是并联而成的,而开关能同时控制是由于处于干路上,故D 符合题意.6. 如图所示,水平恒力F 拉着质量为m 木块在水平放置在地面上的长木板上向右匀速运动,木板保持静止.若木板质量为M ,已知M >m ,则关于木板与地面之间的摩擦力大小的说法正确的是:A. 也是FB. 大于FC. 由于木板没有运动,所以没有摩擦力D. 由于木板和地面的粗糙程度不知道,所以无法判断【答案】A【解析】【详解】木块相对木板运动受到滑动摩擦力,当木块在拉力F 的作用下做匀速直线运动时,木块受到的滑动摩擦力大小等于F ,木板受到木块对其的滑动摩擦力大小也是F ;木板与地面是相对静止,所以木板与地面之间存在静摩擦力,由平衡可知,静摩擦力大小等于F .A.A 项与上述分析相符,故A 符合题意;的B.B 项与上述分析不相符,故B 不符合题意;C.C 项与上述分析不相符,故C 不符合题意;D.D 项与上述分析不相符,故D 不符合题意.7. 如图所示的光学现象中,下列的描述或解释正确的是:A. 图(a )中,小孔成的是倒立的虚像,反映了光在同种介质中沿直线传播B. 图(b )中,人配戴的凹透镜可以矫正近视眼,利用了光的折射原理C. 图(c )中,白光通过三棱镜可以分解成多种色光,是因为不同颜色光通过玻璃时偏折的角度不同.D. 图(d )中,漫反射的光线尽管杂乱无章,但每条光线仍然遵循光的反射定律【答案】BCD【解析】【详解】A.小孔成的像是由实际光线形成的,可以用光屏接收到,符合实像的特征,不是虚像,故A 不符合题意;B.近视是因为晶状体曲度过大,折光能力太强使像成在视网膜前面,用凹透镜矫正,利用了光的折射原理.故B 符合题意;C.白光由七色光组成,不同色光通过三棱镜后,偏折角度不同,所以被分解成七色光,这是光的色散现象,故C 符合题意;D.只要是光的反射,都遵循光的反射定律,镜面反射和漫反射都遵循光的反射定律,故D 符合题意. 8. 在图所示的四个电路中,电源两端电压保持不变,若定值电阻R 的阻值已知,则在不卸元件的情况下能够测出待测电阻R x 阻值的电路是A. B.的C. D.【答案】ABD【解析】【详解】A.电压表V 1测出定值电阻R 的电压U 1,电路电流1U I R= 电压表V 2测出待测电阻R x 的电压U x ,由欧姆定律可求出电阻R x 阻值1x x xU U R R I U == 故A 符合题意; B.电流表A 测出流过R x 的电流I ,电压表V 测出电阻R x 的电压U ,由欧姆定律可求出待测电阻R x 的阻值,故B 符合题意;C.图示电路不能测出流过电阻R x 的电流,图示电路不能测出待测电阻的阻值,故C 不符合题意;D.电流表A 1测流过R 的电流I 1,则并联电压U =I 1R电流表A 2测流过待测电阻R x 的电流I x ,由欧姆定律可求出待测电阻R x 的阻值1x xI R R I =故D 符合题意. 9. 如图甲所示,放在水平地面上的物体,受到方向不变的水平推力F 的作用,F 的大小与时间t 的关系和物体运动速度v 与时间t 的关系如图乙所示.下列判断正确的是:A. t =3s 时,物体受到力的合力为零B. t =6s 时,将F 撤掉,物体立刻静止C 2s ~4s 内物体所受摩擦力逐渐增大D. t =1s 时,物体所受摩擦力是1N【答案】D【解析】【详解】A. 根据速度图像可知,t =3s 时,物体做匀加速运动,所以物体受到力的合力不为零,故A 不符合题意;B. 根据速度图像可知, t =6s 时速度不为0,若此时将F 撤掉,由于惯性物体将继续向前运动一段距离,故B 不符合题意;C. 2s ~4s 内物体做匀加速运动,物体与地面间是滑动摩擦力,所以物体所受摩擦力不变,故C 不符合题意;D. t =1s 时,物体静止不动,摩擦力与拉力二力平衡,所以物体所受摩擦力是1N ,故D 符合题意. 10. 如图所示,在轻质杆OA 的末端A 处,悬挂有重为G 的物体M ,在端点A 施加大小和方向都可以变化的拉力F ,但保证A 点位置不动,在力F 从水平向右逐渐旋转至竖直向上的过程中,下列叙述中正确的是( )A. 拉力F 的力臂是先变大后变小的B. 拉力F 跟它力臂的乘积是不变的C. 拉力F 的大小是先变小后变大的D. 拉力F 始终小于G【答案】ABC【解析】【详解】A.由数学知识分析得知,拉力F 的力臂是先变大后变小,当F 与杆垂直时力臂最大.故A 符合题意;B.根据杠杆平衡条件可知,拉力F 跟它力臂的乘积等于重力跟其力臂的乘积,而重力跟其力臂都不变,则拉力F 跟它力臂的乘积是不变的.故B 符合题意;C.由上分析知拉力F 的力矩不变,拉力F 的力臂是先变大后变小,则拉力F 的大小是先变小后变大.故C 符合题意;D. 拉力F 的力臂是先变大后变小,开始时拉力的力臂小于重力的力臂,最后拉力的力臂等于重力的力臂,F 先大于G 后小于G 最后等于G .故D 不符合题意..二、填空题:11. 中国是继美、法、俄、日之后世界上第五个掌握大深度载人深潜技术的国家.北京时间6月27日11时47分,中国“蛟龙”再次刷新“中国深度”——下潜7062米,创造了作业类载人潜水器新的世界纪录.中国蛟龙号(如图)长、宽、高分别是8.2米、3.0米与3.4米,假设海水的密度不随深度变化,且跟淡水的密度差不多,则蛟龙号在下潜的过程中,受到海水的浮力是__________(填变大、不变、变小)的,在最深处,蛟龙号受到的浮力约为___________牛,海水对它的压强约为_____________帕.【答案】①. 不变②. 8.364×105③. 7.062×107【解析】【详解】[1]蛟龙号在下潜的过程中,排开水的体积不变,海水的密度不变,由F浮=ρ液gV排可知受到海水的浮力不变;[2]“蛟龙号”的体积:V=8.2×3.0×3.4 m3=83.64m3“蛟龙号”浸没水中V排=V=83.64m3F浮=ρ海水gV排=1.0×103×10×83.64 N =8.364×105N[3]在最深处,h=7062m,海水对它的压强:p=ρgh=1.0×103×10×7062 Pa =7.062×107Pa12. 如所示电路图中,电源两端的电压保持不变,三个电阻的阻值都相等.当开关S闭合前,电压表的示数为U;当开关S闭合后,电压表的示数为U′,则U:U′=____________.【答案】4:3【解析】【详解】[1]设电源的电压为E.开关断开时,三个电阻串联,电压表的读数为23U E = 开关闭合时,R 3被短路,另外两个电阻串联,则电压表的读数为 12U E ′=故U :U ′=4:3.13. 图为一轻质弹簧的长度L 和弹力f 大小关系的图像.试由图线确定:(1)弹簧的原长________;(2)弹簧伸长0.05m 时,弹力的大小________.【答案】 ①. 10cm ②. 10N【解析】【详解】(1)[1]当F =0N 时,弹簧处于原长,看图像原长L 0=10cm(2)[2]弹簧伸长长度为Δx =0.05m =5cm 时,弹簧长度L =L 0+Δx =15cm由图可知此时弹力的大小F =10N14. 要测定个人的反应速度,可以按图所示,请你的同学用手指拿着一把长30 cm 的直尺,他的手抓在28cm 刻度处,自己的手候在2cm 刻度处,当他松开直尺,你见到直尺竖直落下,立即用手抓住直尺,记录抓住处的数据,重复以上步骤多次取平均值,根据平均值的大小可以判断个人的平均反应速度,现有A 、B 、C 三位同学相互测定反应速度得到的数据(单位:cm ),第一次第二次第三次A27 26 28B29 26 23C26 24 22这三位同学中平均反应速度最快的是______同学,在三次实验中他的最快反应距离为_______cm.【答案】①. C ②. 20【解析】【详解】[1]根据表格中的数据知,C同学测量时,直尺下降的高度最低,可知C的反应时间最短,即反应时间最快.[2]反应最快时直尺下落的位移是:h=22 cm -2 cm =20cm三、计算题:15. 为了缓解用电高峰电力紧张的矛盾,我国一些地区使用了“分时电(能)表”.下表是采用分时计费前、后电费价目表:原电表计费方法分时电表计费方法高峰期低谷期时间范围全天6:00~22:00 22:00~次日6:00单价(元/度) 0.48 0.50 0.30小明家每天要用电水壶将质量为3 kg、初温为20℃的水烧开,已知气压为1标准大气压,水的比热容为4.2×103J/(kg·℃).求:(1)这些水被烧开需要吸收多少热量?(2)使用分时电表后,小明家把烧水时间安排在低谷期,若不计热量损失,仅此一项,一个月(以30天计)比原来节省多少元电费?【答案】(1)1.008×10 6 J;(2)1.512元【解析】【详解】(1)水被烧开需要吸收的热量为:Q吸=cm(t-t0)=4.2×10 3×3×(100-20)J =1.008×10 6 J.(2)若不计热量损失,消耗的电能为:W=Q吸=1.008×10 6 J=0.28kW•h,则一个月节约的电费为:0.28×(0.48-0.30)×30=1.512元.16. 如图,物体A的体积V A=20厘米3,B的体积V B=10厘米3,用细绳连接后放在水里平衡时,绳上受到的拉力F拉=0.14牛.(g取10N/kg)求:(1)物体A的密度(2)将绳剪断后A露出水面的体积(3)物体B落入水底后对容器的压力【答案】(1)0.3×103kg/m3;(2)14cm3;(3)0.14N【解析】【详解】(1)对物体A受力分析,受重力、浮力和拉力,三力平衡,有ρA V A g=ρ水gV A-T解得ρA =0.3×103kg/m3(2)A露出水面后重新平衡,受重力和浮力,根据平衡条件,有ρA V A g=ρ水gV排解得:V排=6cm3;故露出水面的体积为:20 cm3-6 cm3=14cm3;(3)细线剪短前对物体B受力分析,受重力、浮力和拉力,三力平衡;细线剪短后对物体B受力分析,受重力、浮力和支持力,三力平衡;由于重力和浮力都不变,故支持力一定等于拉力,为0.14N;根据牛顿第三定律,对容器的压力为0.14N ;17. 如图所示,质量为70kg 的工人站在岸边通过一滑轮组打捞一块沉没在水池底部的石材,该滑轮组中动滑轮质量为5kg .当工人用120N 的力拉滑轮组的绳端时,石材仍沉在水底不动.工人继续增大拉力将石材拉起,在整个提升过程中,石材始终以0.2m/s 的速度匀速上升.在石材还没有露出水面之前滑轮组的机械效率为η1,当石材完全露出水面之后滑轮组的机械效率为η2,且η1:η2 =63:65.绳重及滑轮的摩擦均可忽略不计,石材的密度ρ石 =2.5×103kg/m 3,取g =10N/kg ,求:(1)当人用120N 的力拉绳端时,岸边地面对人的支持力为多大;(2)在石材脱离水池底部至完全露出水面的过程中,地面对人的支持力的最大值与最小值之比; (3)当石材露出水面之前,人拉绳子的功率; (4)此人用这个滑轮组提升重物的最大机械效率. 【答案】(1)580N ;(2)29:21;(3)130W ;(4)97.6% 【解析】【详解】工人的重力:G 人=m 人g =70kg×10N/kg=700N动滑轮的重力:G 动=m 动g =5kg×10N/kg=50N未露出水面滑轮组的机械效率:1()()W G F h G F W G F G h G F G η−−===−+−+石石有浮浮石石总浮动浮动露出水面后滑轮组的机械效率:2()W G h G W G G h G G η===++有石石石石总动动G gV ρ=石石石F gV ρ=石浮水η1:η2=63:65将石块的密度和水的密度代入求得:V 石=0.04m 3,石块的重力:G 石=m 石g =ρ石V 石g =2.5×103kg/m 3×10N/kg×0.04m 3=1000N(1)地面对人的支持力:F =G 人﹣F 拉=700N ﹣120N=580N ;(2)石材在水中,受到水的浮力,此时人的拉力最小,地面对人的支持力最大,石材受到的浮力:F 浮=ρ水V 排g =1×103×10×0.04 N =400NF 拉1=13(G 石+G 动﹣F 浮)=13(1000N+50N ﹣400N )=6503N 地面的支持力:F 支1=G 人﹣F 拉1=700N ﹣6503N=14503N石材离开水面,此时人的拉力最大,地面对人的支持力最小F 拉2(G 石+G 动)=13(1000N+50N )=350N 地面的支持力:F 支2=G 人﹣F 拉2=700N ﹣350N=350N F 支1:F 支2=14503:350N=29:21 (3)当石材露出水面之前F 拉1=(G 石+G 动﹣F 浮)=13(1000N+50N ﹣400N )=6503N v =3×0.2m/s=0.6m/s人拉绳子的功率:1650N 0.6m/s 130W 3P F v ==×=拉(4)当F =G 人=700N ,滑轮组受到的拉力最大时,滑轮组的机械效率最高,绳重及滑轮的摩擦均可忽略不计,则1()3FG G =+物动 G 物=3F -G 动=3×700N-50N=2050N2050100%97.6%37003W G h G W Fs F η====×=×有物物总。
北京市第101中学2022-2022学年高一物理上学期分班考试试题(含解析)
12.以下说法中正确的选项是〔〕
A. 分子在永不停息的做无规那么运动
B. 分子间相互作用的引力与斥力同时存在
C. 质量相等的燃料完全燃烧,放出热量越多的其热值越大
D. 水和沙石吸收相等的热量,沙石比热容较小,其升高的温度比水多
【答案】ABC
【解析】
【详解】A.一切组成物质的分子都在永不停息地做无规那么的运动,A正确;
B.分子间同时存在相互作用 引力与斥力,B正确;
C.由 可知:质量相同的燃料完全燃烧,热值越大的,放出的热量越多,C正确;
D.物体吸收热量所升高的温度与物质质量、比热容有关,由于不知两物体质量间的关系,不能根据吸收相等热量与升高的温度判断比热容大小,D错误.
D.乙灯比甲灯亮,可知乙的实际功率大于甲的实际功率,由 可得,但是由于时间不确定,那么两者消耗的电能大小不确定,D错误.
7.用水平力 拉着物体M在水平地面上以速度 匀速运动一段距离 ,所用时间为 , 做功为 ,功率为 ;假设改用水平力 拉着物体M在同一水平地面上以速度 匀速运动一段距离 ,所用时间为 , 做功为 ,功率为 ,: , ,以下判断正确的选项是〔〕
C.10~14s内物块的位移为22cm,故平均速度为 ,C错误.
14.如下列图,物体从某一高度自由落下,落在直立的轻质弹簧上,在A点物体开始与弹簧接触,到C点时速度为零,然后弹回,不计一切阻力,那么以下说法正确的选项是〔〕
A. 物体从A下降到C的过程中,速率不断变小
B. 物体从A下降到C,重力势能一直减小,弹性势能一直增加
【答案】ABC
【解析】
【详解】A.篮球在上升过程中,速度减小,高度增加,所以动能减小,重力势能增加,A正确;
101中学新高一分班考试数学
101中学新高一分班考试数学本试卷包括三个大题,共6页,满分120分,考试时量90分钟。
一、选择题(每小题4分,共40分)1. 已知圆柱的底面半径为3cm ,母线长为5cm ,则圆柱的侧面积是A .30cm 2B .30πcm 2C .15cm 2D .15πcm 22. 一个不透明的口袋里装有除颜色都相同的5个白球和若干个红球,在不允许将球倒出来数的前提下,小亮为了估计其中的红球数,采用如下方法,先将口袋中的球摇匀,再从口袋里随机摸出一球,记下颜色,然后把它放回口袋中,不断重复上述过程,小亮共摸了100次,其中有10次摸到白球,因此小亮估计口袋中的红球大约有_______个A 、45B 、48C 、50D 、553. 已知矩形的面积为36cm 2,相邻的两条边长为xcm 和ycm ,则y 与x 之间的函数图像大致是A B C D4. 要使分式的值为0,你认为x 可取得数是A . 9B . ±3C . ﹣3D . 35. 若ab >0,则一次函数y=ax+b 与反比例函数y=在同一坐标系数中的大致图象是A .B .C .D .6. 如图,点P (a ,a )是反比例函数y=在第一象限内的图象上的一个点,以点P 为顶点作等边△PAB,使A 、B落在x 轴上,则△POA 的面积是A . 3B . 4C .D .7. 在△ABC 中,∠BAC=90°,AB=3,AC=4.AD 平分∠BAC 交BC 于D ,则BD 的长为 A .B .C .D .8. 如图2,函数y =2x 和y =ax +4的图象相交于点A(m ,3),则不等式2x <ax +4的解集为A 、32x <B 、3x <C 、32x > D 、3x >9. 如图3所示,二次函数y=ax 2+bx+c 的图像中,王刚同学观察得出了下面四条信息:(1)b 2-4ac>0 (2)c >1 (3)2a -b <0 (4)a +b +c <0,其中错误的有 A 、1个B 、2个C 、3个D 、4个10.已知点A (0,0),B (0,4),C (3,t +4),D (3,t ). 记N (t )为□ABCD 内部(不含边界)整点的个数,其中整点是指横坐标和纵坐标都是整数的点,则N (t )所有可能的值为 A .6、7 B .7、8 C .6、7、8 D .6、8、9FEDCBA二、填空题(每小题4分,共20分)11. |1|0a b ++=,则ba =_________。
【小升初数学真题】101中学初一分班考试数学试卷
101中学初一分班考试数学试卷一、选择题:每小题4分,共40分.1.(4分)下列四个小数中,最大的一个是()A.1.11 B.1.01 C.1.101 D.1.12.(4分)下列图形中,对称轴最少的是()A.长方形B.正方形C.等腰三角形D.圆3.(4分)计算37.5×21.5×0.112+35.5×12.5×0.112的正确结果是()A.130 B.140 C.150 D.160.4.(4分)下列说法正确的是()A.如果长方形的周长一定,那么长和宽成反比例B.一个圆柱体和一个圆锥体的体积相等,圆柱体底面积是圆锥底面积的3倍,圆柱和圆锥的高的比是1:9C.工厂生产一批零件,共101个,全部合格,那么这批零件的合格率是101%D.记录一个病人体温的变化,应该用扇形统计图5.(4分)铁路线旁边有一条沿铁路方向的公路,公路上一辆汽车正以每小时40千米的速度行驶,这时一列长375米的火车以每小时67千米的速度从后面开过来,问:火车从车头到车尾经过汽车旁边需要()秒.A.65 B.60 C.55 D.506.(4分)下列计算不正确的是()'A.B.C.D.(101﹣20)÷(1.63+1.07)=307.(4分)爷爷比爸爸大26岁,妈妈比小明大26岁,小明一家四口人今年的年龄之和是120岁,而5年前他们家的人年龄之和是101岁,则小明的爷爷今年是()岁.A.62B.60C.58D.568.(4分)小红是一名集邮爱好者,她有中国邮票和外国邮票共274枚,其中中国邮票比外国邮票的2倍还多7枚,问小红有中国邮票和外国邮票各多少枚?解决此问题,我们选用方程作为解题工具:设小红有外国邮票x枚,依题意列方程,正确的是()A.x+(2x﹣7)=274B.x+2(x﹣7)=274$C.x+2(x+7)=274D.x+(2x+7)=2749.(4分)将化为小数,则小数点后第101位上的数字是()A.8B.7C.4D.510.(4分)六年级有三个班,每班有两个班长,开班长会时,每次每班只要一个班长参加,第一次到会的有小张、小王、小李;第二次有小王、小刘、小江;第三次有小张、小江、小孙.请问:小张与()同班.A.小孙B.小江C.小刘D.小李二、填空题:每小题5分,共60分.11.(5分)计算:101×66÷123÷66×123÷101=.12.(5分)修建一个圆柱形沼气池,底面直径是4米,深3米,在池的四壁及下底抹上水泥,那么抹水泥部分的面积㎡.(π取3)'13.(5分)计算:(78.6﹣0.786×25+75%×2.4)÷15×20.2=.14.(5分)一列火车的速度是180千米/时,一辆小汽车的速度是这列火车速度的,是一架飞机的速度的,则这架飞机的速度为千米/时.15.(5分)计算:11+12+13+…+99+100+101=.16.(5分)请在括号内填上适当的数,使等式成立::16==0.125=% 17.(5分)有一个分数,如果分子减1,那么这个分数就变为,如果分母减1,那么这个分数就变为,那么这个分数是.18.(5分)小文从家去学校,如果每分钟走50米,就要迟到3分钟;如果每分钟走60米,就可以提前2分钟到校,那么小文家离学校的距离是米.19.(5分)一个酒精瓶,它的瓶身呈圆柱形(不包括瓶颈),如图所示,它的容积为101立方厘米.当瓶子正放时,瓶内的酒精的液面高为6厘米,瓶子倒放时,空余部分的高为2厘米,则瓶内酒精体积是立方厘米.20.(5分)已知,则x=.*21.(5分)先找出规律,然后在括号内填上适当的数:2,5,90,31,55,,1,46,70,11,96,99.三、解答题:每小题10分,共50分.(必须写出计算过程或推理步骤)22.(10分)计算下列各题:(1)13×[2008﹣8﹣8﹣(2007﹣8﹣15)]﹣3(2)0.8×[7﹣4÷()].23.(10分)先阅读下列材料:因为,!所以:请你根据上述材料提供的信息,求的值.24.(10分)如图,A、B、E、F四点在一条直线上,ABCD是长方形,AD=8cm,AB=6cm;CDEF是平行四边形,线段BC、DE交于点H,如果BH=5cm,那么图中阴影部分的面积是多少?25.(10分)列方程解应用题:民航规定:乘坐飞机普通舱的旅客每人最多可免费携带20千克行李,超过部分每千克按机票价的1.5%购买行李票,小芳同学的父亲出差带了40千克重的行李乘飞机,机票和行李票共付了1404元,请问:小芳的父亲购买的普通舱机票的票价是多少?26.(10分)乌龟与小白兔赛跑,比赛场地从起点到插小旗处为104米,比赛规定,小白兔从起点出发,跑到插小旗处马上返回,跑到起点又返回,…,如此继续下去,已知小白兔每秒跑10.2米,乌龟每秒跑0.2米,如果从起点出发第一次相遇,问:}(1)出发后多长时间它们第二次相遇?(2)第三次相遇距起点多远?(3)从第二次相遇到第四次相遇乌龟爬了多远?(4)乌龟爬到50米时,它们共相遇多少次?101中学初一分班考试数学试卷参考答案与试题解析一、选择题:每小题4分,共40分.;1.(4分)下列四个小数中,最大的一个是()A.1.11B.1.01C.1.101D.1.1【分析】根据小数大小的比较方法:整数部分大,这个数就大;整数部分相同,比较小数部分,十分位上的数大的小数就大;十分位上的数相同的,再比较百分位上的数,依此类推,进行比较即可.【解答】解:因为1.11>1.101>1.1>1.01,故选:A.2.(4分)下列图形中,对称轴最少的是()A.长方形B.正方形C.等腰三角形D.圆【分析】依据轴对称图形的定义即可作答.|【解答】解:据轴对称图形的特点和定义可知:正方形有四条对称轴,长方形有两条对称轴,等腰三角形有一条对称轴,圆形有无数条对称轴;答:对称轴最少的图形是等腰三角形.故选:C.3.(4分)计算37.5×21.5×0.112+35.5×12.5×0.112的正确结果是()A.130B.140C.150D.160【分析】先根据乘法分配律计算,再按一般运算顺序计算出结果,进而选出答案.【解答】解:37.5×21.5×0.112+35.5×12.5×0.112,=(37.5×21.5+35.5×12.5)×0.112,>=(806.25+443.75)×0.112,=1250×0.112,=140;故选:B.4.(4分)下列说法正确的是()A.如果长方形的周长一定,那么长和宽成反比例B.一个圆柱体和一个圆锥体的体积相等,圆柱体底面积是圆锥底面积的3倍,圆柱和圆锥的高的比是1:9C.工厂生产一批零件,共101个,全部合格,那么这批零件的合格率是101%。
101本部分班考试数学真题 2
101本校分班考题(2011年8月20日) 1、下列数字中,是质数的是( ) A. 1 B. 49 C. 51 D. 1012、在数722,π,14.3,%314,⋅⋅41.3中,最大的数是( )A. πB. 722C. ⋅⋅41.3D. %3143、在55⨯方格纸中将图(1)中的图形N 平移后的位置如图(2)中所示,那么正确的平移方法是( )A. 先向下移动1格,再向左移动1格;B. 先向下移动1格,再向左移动2格;C. 先向下移动2格,再向左移动1格;D. 先向下移动2格,再向左移动2格;4、重量1斤=500克,买25斤重的物品等于( ) A. 12000克 B. 12500克 C. 20克 D. 1250克5、甲班有学生50人,乙班有学生46人,要使甲班的人数是乙班的2倍,应从乙班调多少学生到甲班?设从乙班调出人数为x 人,则可列出方程为( ) A. )46(250x x -=+B. 46250=+xC. )46(250x x +=-D. x x -=+46)50(26、北京时间13:00是巴黎时间(当天)6:00,巴黎时间13:00是纽约时间(当天)7:00,则问北京时间8月15日10:00是纽约时间8月( ) A. 16日3点 B. 15日23点 C. 14日3点 D. 14日21点7、如果两个数的和是负数,那么这两个数一定( ) A. 都是正数 B. 都是负数 C. 一正一负 D. 无法判断8、乙、丙两数的平均数与甲数之比是5:11,那么甲、乙、丙三数的平均数与甲数之比是( ) A. 5:11 B. 5:27 C. 5:9 D. 无法判断9、A ,B ,C ,D 四个盒子中依次放有8,5,3,2个小球。
第1个小朋友找到放球最多的盒子,从中拿出3个球放到其它盒子中各1个球;第2个小朋友也找到放球最多的盒子,从中拿出3个球放到其它盒子中各1个球;…,当101个小朋友依次操作完后,B 盒中有球( ) A. 6个 B. 5个 C. 4个 D. 3个10、将四个相同的长方形(长是宽的3倍),用不同的方式拼成一个大长方形,设拼成的大长方形的面积是四个小长方形面积和,则大长方形周长的值只可能有( ) A. 1种 B. 2种 C. 3种 D. 4种11、计算:①=-2153②=-+6.42.76.212、分解质因数:=344113、用108去除一个数余101,如果改用36去除这个数,那么余数是14、一桶油连桶重6千克,用去一半油后,连桶重3.5千克,这桶内原有 油 千克。
【小升初】101中学入学分班考试
101中学入学分班考试考试时间:90分钟一、选择题:本题共12小题,共36分。
把你的选项前的字母填入答题纸中相应的表格内。
1.小明买了6斤苹果,每斤a元,口袋里还剩b元,小明原有()元A.6a-bB.b-6aC.6a+bD.6b-a2.一种商品先提价10%,后降价10%,这时的价格和原来相比()A.提高了B.降低了C.无法确定D.没有变化3.如左图是由5个小正方形连接而成的图形,它需再添加一个小正方形,折叠后才能围成一个正方体,由图中的秃鹰小正方形分别由四位同学补画,其中正确的是()4.5.某市一天的2点、8点、14点、20点四个时刻的温度低13o C、18o C、24o C、17o C,这一天的平均温度是()A. 11o CB. 29o CC. 18o CD. 15.5o C6.已知2:x=12:14,那么x=()A. 40B. 4C. 0.4D. 17.一个边长2分米的正方形,如果在四个角各剪去一个边长为2厘米的正方形,那么它的周长与原来比是()A. 减少B. 不变C. 增加D. 无法判断8.一个三角形,三个内角度数比是2:5:2,则这个三角形是()北京101中学初一年级新生分班数学试题A.锐角三角形B. 钝角三角形C. 直角三角形D. 等边三角形9.猜一个数,甲说:是质数;乙说:是9;丙说:是偶数;丁说:是15;老师说;甲、乙中有一人说对,丙丁中也有一个说对,你认为这个数是()A. 9 B. 15 C. 2 D. 1010.由图中,瓶底的面积和圆锥形杯口的面积相等,液面与杯子等高,讲瓶子的液体倒入锥形杯子中,能倒满()杯A.2B. 3C. 4 D. 611.下列说法正确的是()A.1小时45分钟化成小时等于1.45小时B. 三角形的面积是平行四边形面积的一半C. 在100克水中加入25克食盐,搅拌均匀后,盐水的浓度是20%D. 12.3657保留两位小数是12.36二、填空题:本大题共13小题,共54分。
关于101中学分班考试
2014年101分班考试考察什么?如何准备?2014年分班考试时间为7月12日1、2013年101分班考试有何特点?2013年7月13日进行分班考试的,考察科目包括语文、数学、英语,共有12个班,2个点招班+2个实验班+8个平行班,其余的根据分班考试进行平行分配。
目前来看,数学是最容易拉开差距的,数学考试满分150分,考试时间80分钟2、101分班考试考察内容及真题展示佳士学数学团队根据近7年101分班考试真题,总结其核心考点如下:部分真题展示:3、如何备战101分班考试?佳士学拥有近8年101分班考试全部真题,主带老师均有5年以上辅导冲刺101分班考试经验,对101分班考试的研究十分透彻,这里建议您做以下准备:(1)做近五年101分班考试真题,全真模拟,熟悉101分班考试教学特点;(2)针对101高频考点进行强化训练;(3)建立小奥知识地图,画脑图,熟悉各专题知识点;(4)提前预习新初一第1章知识。
4、佳士学目标101分班考试特色(1)佳士学拥有101的近8年全部真题,对101分班考试研究极为深入,开设班次只针对101分班考试,5次小学奥数+1次新初一知识(赠送);(2)小组授课,4-6人小班,过招式学习,保证学习效果;(3)2+1模式,2小时授课,1小时复习巩固,问题留在课堂解决;(4)5年多丰富的101分班考试冲刺辅导经验,将大批学员送入101实验班就读。
【授课时间】二期班火热报名中,详细开班时间可致电下方咨询电话。
【授课费用】超小班授课,数学5次,英语5次,语文5次,每次330,三科共计4950元,三科联报优惠100元。
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101中学新初一英语分班考试试卷及答案【最新精品】
101中学新初一英语分班考试试卷及答案【最新精品】预览说明:预览图片所展示的格式为文档的源格式展示,下载源文件没有水印,内容可编辑和复制北京一零一中初一新生入学摸底考试英语一、选择填空:(共20分,每题1分)1.---Would you like some ____?--- No, thank you. I ’m not hungry at all.A. teaB. breadC. waterD. coffee2.---You look so happy. What happened?---I have got an “A ” in _______ P.E. test.A. yourB. herC. hisD. my3.---What ’s in your bag, Cathy?---There ’s ______ interesting book about animals. A. aB. anC. theD. /4.---Why do Chinese people like red?---Because they think it can ______ them good luck.A. bringB. carryC. makeD. take5.---This sweater is too expensive. I can ’t afford it.---Howabout this one? It ’s much ______.A. cheapB. cheapestC. cheaperD. the cheapest6.Li Ping has learned English for many years, but he can____ understand theEnglish speakers. A. hardlyB. certainlyC. alwaysD. almost7.Beijing looks like a beautiful garden. It’s our duty to keep it______. A. d ryB. openC. quietD. clean8.---______ did you go to London last month?---By plane.A. WhenB. HowC. WhereD. Why9.---I hear you like basketball very much. _____ you on your school team?---Yes, I am.A. AmB. WasC. AreD. Were10.---Can you lend me your pen?---Sorry, I _______. I ’m writing something right now.A. can ’tB. mustn ’tC. needn ’tD. shouldn ’t11.--- Do you enjoy your life here?--- Yes, _________ I’m very busy sometimes. A. whenB. ifC. thoughD. because12.---The food is very delicious. I ’m very full.---Why don ’t you ______ a walk with me? A. takeB. to takeC. takesD. took13.---Who helped you with your English?--- ______ ! I learned it all by myself. A. AnybodyB. NobodyC. SomebodyD. Everybody14.---When are you going to meet your parents ________ Sunday morning?---At half past seven. A. atB. inC. toD. on15.---Linda, when shall we go shopping?---After I finish _________ the dishes.A. washB. washedC. washingD. to wash16.---It ’s said that our school ’s paper ____________ once aweek.---Right. I hope you can write something for it.A. comes backB. comes downC. comes onD. comes out17.---Your sister works in a hospital, ___________?---Yes, she does. She is a nurse.A. doesn’t sheB. isn’t sheC. does sheD. is she18. ---Mum, Bill is coming to dinner this evening.---OK. Let’s give him ________ to eat.A. different somethingB. different anythingC. anything differentD. something different19. ---Excuse me, where is Linda’s office?---It’s on __________floor.A. thirdB. the thirdC. threeD. the three20. ---Excuse me, is this seat taken?---____________. That man got his books and left a few minutes ago.A. I’m afraid soB. I don’t knowC. I don’t think soD. I hope not二、完形填空(共12分,每题1分)There was a boy who was sent by his parents to a boarding school(寄宿学校). Before he was sent away, the boy was the 1 student in his class. He was at the top in every exam.But the boy changed after 2 home and studying in the boarding school. His grades started to 3 . He hated being in a 4 . He was lonely all the time. And there were especially dark times when he felt like killing himself. All of this was because he felt no one loved him.His parents started to 5 the boy. But they even did not know what was wrong with him. So his father decided to go to the school and 6 him.They sat by the lake near the school. The father started asking him some casual questions about his lessons, teachers and 7 . After some time his father said, "Do you know, son, why I'm here today?""To 8 my grades," the boy replied back."No, no," his father said. "I'm here to tell you that you're the most 9 person for me. I want to see you 10 . I don't care about grades. I care about you. I care about your happiness. You're my life."These words caused the boy's eyes to be filled with tears. He hugged his father. They didn't say 11 to each other for a long time.Now the boy had everything he wanted. He knew there was someone on the earth who cared for him deeply. He meant the world to someone. And today this young man is in university at the top of his class and no one has ever seen him 12 .1. A. laziest B. worst C. calmest D. cleverest2. A. coming B. leaving C. returning D. going3. A. increase B. drop C. rise D. turn down4. A. group B. term C. party D. company5. A. look for B. learn from C. worry about D. shout at6. A. laugh at B. look at C. talk with D. think about7. A. friends B. family C. study D. grades8. A. find B. teach C. hear D. check9. A. famous B. interesting C. outstanding D. important10. A. excellent B. serious C happy D. honest11. A. anything B. something C. nothing D. everything12. A. ill B. sad C. pleasedD. pleasant三、阅读理解:(共24分,每题2分)阅读下面的短文,掌握其大意,然后从短文后各题所给的A、B、C、D四个选项中,选择最佳选项。
北京101中学分班考试英语题
101 中学新初一分班考试英语真题一.单项填空1. Mr. Wang is _________ excellent teacher. Everybody loves him.A.aB.anC.theD./2. My cousin gave _______ a cute teddy bear for my birthday.A. IB. myC. meD. mine3.---It’s a nice day,_______?---Yes,it is.A.isn’t itB.is itC.has itD.hasn ’t it4.People like hamsters _________they are nice and interesting.A. soB. andC. butD. because5. --- _____ should I get my mom for Mother’s Day? ---Why don’t you get her a scarf.?A. WhoB. WhatC. WhenD. How6. –Alison, how long have you been skating? - I have been skating ________ nine o’clock.A.forB.atC.sinceD.from7. Tom did __________ in math this year than last year.A.goodB.wellC.bestD.better8. --- I didn’t go to the Disneyland in Hong Kong last year. --- Me,______A.neitherB.eitherC.alsoD.too9.This dictionary was very cheap and it only ____me twelve dollars.A. spentB. usedC.paidD. cost10. –Would you mind _______ your bike? –No, not at all.A. movingB. to moveC. moveD. moved11. He ________ down the street when the accident happened.A.walksB.walkedC.was walkingD. is walking12. Sorry, I don’t have enough time ________ with you today.A.playB.to playC.playingD.played13. –Where is John? –He ___to the library. He’ll come back soon. A. has gone B. has been C. went D. was going14. -- _____ you please wash the dishes? –Ok, I’ll do them in a minute.A. MayB. MustC. CouldD. Should15. Excuse me, Sir, Can you tell me __________?A. how we got to the zooB. how can we get to the zooC. how did we get to the zooD. how we can get to the zoo二.完型填空When I was in my first year of middle school, my father died. And my mother was ill just after I entered high school. I had to ___1____ going to school because my mother had to money to pay my school bills. We began to work in people’s gardens to save up money for me to back to school. ____2_____, I returned to school. Unluckily, my mother died the next year. And my ___3___went dark. I asked my headmaster if I could work for the ___4___ this summer vacation, so I could pay my bills. He was a nice man and let me work in the school garden during the ____5_____.I had not been able to study well because of my mother’s death. At the end of my second year, I ____6______ most of my exams and the teacher told me I had to repeat the year. After another summer working in the school garden, I went ____7___ to lessons again,. But suddenly I fell ill. Because of my disease I was weak and couldn’t work at school. I was hopeless. My headmaster told me not to give up. And my teachers and classmates ____8_____ me a lot. Now, I’m feeling better and will finish my third year.My life is still not ____9___.A few students laugh at my poor clothes. They also call me “farmer” because I work in the school garden. But I ____10____ hard days will always be followed by sunshine.1.A.stop B.start C.keep D.finish2. A.Especially B.Probably C.Finally ually3.A.mind B.world C.heart D.family4. A. school B. zoo C. park D. museum5.A.afternoon B.year C.weekends D.holidays6.A.passed B.took C.failed D.had7. A. along B. back C. down D. up8.A.helped B.gave C.worried D.taught9. A.terrible B.hard C.easy D.difficult10.A.discover B.imagine C.notice D.believe三.阅读理解(A)Happy Days Club Parker;s Sweet Shop For Young People 14 Barrett Road From 12 – 18 years 5 minutes from town centre Every Friday 7:30 pm –10:30pm Try our famous chocolate 29 Milton Street Eggs and sugar hears Just $1 a week Prices lower than in other shops Games-music-dancing and lots more Open Monday-Saturday 9am-5am International Library Painting Competition Books, CDs and videos For young people 8-16 years old Over 100 Foreign newspapers Paint a picture of an animal And magazines Send it to: Entrance Free Young Artist Magazine Monday- Saturday 9:30am-6:00pm 12 High Street New England House, Museum Street Before 14 September And win a bicycle!1. What does Parker’s Sweet Shop sell?A.BooksB.ChocolateC.PicturesD.CDs2. What time does Happy Days Club open?A. 9:00 amB. 9:30 amC. 7:30 pmD. 10:30 pm3. What should you paint if you want to take part in the painting competition?A.An eggB.A girlC.A bicycleD.An animal(B)In Canada you can find dogs, horses, etc., in almost every family. These are their pets. People love these pets and regard them as their goodfriends. Before they keep them at their houses, they take them to animal hospital to give them injection (注射) so that they won’t catch disease(疾病). They have special animal food stores, though they can get animal food in almost every store. Some people spend around two hundred Canadian dollars a month on animal food. When you visit people’s homes, they would be very glad to show you their pets and they are very proud of them.You will also find almost every family has a bird feeder in their garden. All kinds of birds are welcomed to come and have a good meal. They are free to come and go and nobody is allowed to kill any animals in Canada.They have a law against killing wild animals.If you killed an animal, you would be punished (惩罚). Senior (old) people in Canada have many reasons to like animals. One of them might be their family lie is not as close as ours. When children grow up, they leave their parents and start their own career (事业),then the seniors will feel lonely. And pets can solve this problem. They can be good friends and never leave them alone.1. The passage mainly tells us people in Canada ________________.A. like to keep pets at homeB. spend a lot of money on petsC.think killing pets is against the lawD.enjoy showing pets to their friends2. People give pets injection to make them not __________________.A.run awayB.hurt peopleC.get illD.eat much3. The underlined word “feeder” refers to ___________________.A. something to keep the birdsB. a person who feeds the birdsC. something to put food in for birdsD. a person who sells bird food4. Old people like to keep pets because ____________.A.pets cost less moneyB.pets are quiet and cleanC. pets are easy to take care ofD. pets can make good companies(C)Depalma was driving a large American car. As soon as the race started, he pulled out in front.As the race went on,he kept the first place. And he was far ahead of Dawson, the man in the second place. 15 Whenthe race was almost over, some people got up and left. “Why did stay?”they thought. They were sure they knew who would win. But things did not go as they thought. A strange noise came from Depalma ’s car. It slowed down. Something was wrong. Depalma knew his car would not go far. His only hope was that he would make it to the finish. But on his last lap, car stopped. Dawson’s car roared (呼啸) by. Depalma saw it go by. He knew he could not win now. “But I can finish the race, ” he thought. And he got out of his car. So did his assistant. They began to push the car to the finish. Dawson went by them again and again. He was on his last lap. He was going to win. Depalma and his friend did not care. They went on pushing. At first, all eyes were on Dawson. He crossed the line. And the race was over. He’d won! Depalma and his friend pushed on. At last,the car crossed the line.B then all the people were shouting for them. They shouted more than they did for Dawson. This was a different kind of winner!1. When Depalma’s car stopped, _______________.A.he repaired his car right awayB.he decided to give up his carC. he and his assistant pushed the carD.he still believed he would win the race2.Which of the following is Not true according to the passage?A. Depalma didn’t want Dawson to win the raceB. Both of Depalma and Dawson are winnersC.Depalma didn’t drive his car to the finishD.Depalma drove faster than others at first.3. What can we learn from the passage?A. American cars always break down in the race.B.Good cars always help people win the race.C. People should always shout for the loser.D. People should always keep trying.四. 任务阅读If you go to a fast food restaurant or a snack bar,you will probably see a lot of teenagers. Today, many teenagers are overweight, and some of this is because of their had eating habits.Most teenagers love food with a lot of fat,oil,salt and sugar.People often call this type of food “junk food”. But bad eating habits go beyond fast food. Many teenagers find it difficult to eat healthily.Some don’t have breakfast before they go to school. During the day, some don’t have a proper meal for lunch.In a recent survey at one school,scientists found that over two-thirds of the students didn’t follow a healthy diet.Nearly half of the students didn’t like vegetables, and many of them didn’t like to eat fruits.They preferred to eat food with a lot of salt,sugar, or fat.Parents today also worry about their children ’s diet.Some doctors give the following advice. Teenagers shouldn’t eat too much junk food. Teenagers shouldn ’t eat food with too much salt. Salt can cause high blood pressure in the future. Teenagers should eat food with less fat, oil and sugar. Teenagers need to eat some fruits and vegetables every day.Fruits and vegetables are rich in vitamins and have little fat.Teenagers need to drink more k will help their bones grow. Teenagers need to eat breakfast every day. This is good for their body and mind. Bad eating habits Eating food with a lot of fat, oil, salt, and sugar. Not having 56. _____ before going to school. Eating few 57. _________ Doctors’ advice Eating food with less fat, oil and sugar. Eating vegetables and fruits every day because they are rich In vitamins and have 58. _________ Drinking more milk will help build hones. Eating breakfast every day, which is good for the 59. _____________ The writer wants to help teenagers to 60. ___________________英语答案:一。
101中学分班考试卷语文
101中学分班考试卷语文一、基础知识(30分)1. 下列加点字的读音完全正确的一项是()(5分)A. 静谧(mì)哺育(pǔ)面面相觑(qù)B. 涟漪(yī)炽痛(zhì)强聒不舍(guō)C. 拮据(jū)荒谬(miù)风雪载途(zài)D. 慰藉(jí)稽首(qǐ)戛然而止(jiá)2. 下列词语中没有错别字的一项是()(5分)A. 轩榭伎俩巧妙绝伦物竟天择。
B. 归咎鳌头一愁莫展张皇失措。
C. 帷幕烦躁因地制宜周而复始。
D. 取缔追溯草长莺飞消声匿迹。
3. 下列句子中加点词语使用恰当的一项是()(5分)A. 他在大会上的即兴讲话逻辑严密、语无伦次,博得了与会专家的一致好评。
B. 正因为他具有海誓山盟的崇高理想,才在工作中取得了出色的成绩。
C. 它们发现自己陷入了峰回路转的绝境,一片惊慌,胡乱蹦跳。
D. 学生的学习水平是参差不齐的,因此教师的教学要尽可能做到因材施教。
4. 下列句子没有语病的一项是()(5分)A. 通过这次社会实践活动,使我们磨炼了意志,增长了见识。
B. 在学习过程中,我们应该注意培养自己解决、分析、观察问题的能力。
C. 目前,广大群众的环保意识比较淡薄,确实需要大大提高。
D. 为了防止不再出现这样的问题,我们班全体同学专门开会研究,制定出具体的改进措施。
5. 默写古诗文中的名句名篇。
(10分)补写出下列名句中的上句或下句。
(任选其中6句)______,______。
______,______。
二、阅读理解(30分)(一)阅读下面文言文,完成6 - 9题。
(15分)邹忌修八尺有余,而形貌昳丽。
朝服衣冠,窥镜,谓其妻曰:“我孰与城北徐公美?”其妻曰:“君美甚,徐公何能及君也?”城北徐公,齐国之美丽者也。
忌不自信,而复问其妾曰:“吾孰与徐公美?”妾曰:“徐公何能及君也?”旦日,客从外来,与坐谈,问之客曰:“吾与徐公孰美?”客曰:“徐公不若君之美也。
101中学新初一语文分班考试试卷及答案pdf
北京一零一中 初一新生入学摸底考试语 文第Ⅰ卷 积累与运用(41分)一.选择题(每题3分,共15分)1.下列加点字注音全部正确的一项是( )A .魁梧.w ú扁.舟pi ān 卑鄙.b ǐ潜.滋暗长qi án B .怂.恿s óng 逮.捕d ěi 遒劲.j ìn 忧心忡.忡ch ōng C .狡黠.xi é惩.罚ch ěng 歼.灭ji ān 满载.而归z ǒi D .解剖.p āu嫉.妒j í狙.击z ǔ锲.而不舍q ì2.下列词语中只有一个错别字的一项是()A .内含 璀燦 卓尔不群 泌人心脾B .书藉 耷拉 饱经苍桑 川流不息C .驻立黯淡 喜出忘外郑重奇事 D .浏览 浮躁 刻不容缓 挺而走险 3.下面句子中加点词语使用正确的一项是()A .班会上,他夸夸其谈....,出众的口才使大家十分佩服。
B .在荒山僻谷中,兰草仍然生机勃勃....,奋发向上,散发出缕缕清香,不因沦落深山而自弃。
C .今天上午沃尔玛超市进行大型促销活动,一早就已经有大量市民排队等候,9:00开门时,等候多时的市民们鱼贯而入....,现场一度混乱不堪。
D .“神舟”五号载人飞船把我国首位航天员成功送入浩瀚的太空并安全返回,这是我国航天事业取得的又一空前绝后....的成就。
4.把下列句子填在句中的横线上,组成前后衔接正确的一段话是()①它们好像在外面等候了多时。
②在这里看星星,星星在你眼前亮起,一直亮到脑后。
③满天的星星肃然排列,迎面注视着你。
午夜走出帐篷,我被眼前的景象惊呆了。
你仿佛把头伸进一座古钟里面,内里嵌满活生生的星星。
我顿时明白了《敕勒歌》中为什么有“天似穹庐”的句子。
A .③②①B .②①③C .③①②D .②③①5.下列表述完全正确的一项是( )A .《水浒传》中英雄好汉众多,他们分别有着代表各自特色的绰号,如及时雨宋江、智多星吴用、豹子头武松、黑旋风鲁智深、花和尚李逵等。
【小升初】101中学分班考试答案
北京101中学初一新生
入学摸底考试答案
考题答案:
第14题:题目有问题,按照“包装上注明每100毫升牛奶平均含钙129毫克”做得:775,3
第15题:操作找周期:7、10、5、8、4,五个一周期;
第16题:方程思想,用等量代换或方程、方程组;
第17题:甲箱中水位高度达到300cm才能流向乙箱,所以甲箱中水位高300cm,乙箱中水位高150cm,求出总体积注水速度即可,注意单位换算;
第18题:操作找规律即可;
第19题:利用容斥原理;
第20题:操作找周期,ABCDCB六个一周期,每个周期中C出现2次,然后利用周期解决即可;
第22题:有理数的加法,注意符号细心即可;
第23题:和差倍问题,算术、方程很容易解决;
第25题:题目错误,把2.5秒改为25秒,方程思想,用方程或方程组,如方程:设环形跑道一圈周长为S,两个过程分别是相遇过程和追及过程,经过25分钟哥哥追上了小明,并
且比小明多跑了20圈,则有每经过分钟哥哥比弟弟多跑一圈,即追上弟弟一次,所以求得哥哥、弟弟速度和为,速度差为=,所以哥哥速度()2=,弟弟速度=,所以哥哥速度是弟弟的2倍;速度比为2:1,则相同时间内所行路程比也为2:1,哥哥比弟弟多行20圈,比例分配得弟弟行了20圈。
北京101中学分班考试题
101中学往年分班试题一、计算题:1、(1-12×12)×(1-13×13)×(1-14×14)×……×(1-12003×12003)2.400300200864432300200100642321⨯⨯++⨯⨯+⨯⨯⨯⨯++⨯⨯+⨯⨯二、填空题:3.在括号中填上合适的自然数,使下面的等式成立。
22( )73( )+=4.下图是由18个边长相等的正方形组成的长方形,在这个图形中,含有$的长方形或正方形共有_____个$5.46305乘以一个自然数a ,积是一个完全平方数,则最小的a 是________6.从1-36个数中,最多可以取______个不同的数,使这些数中没有两数的差是5的倍数.7.图中的数字分别表示两个长方形和一个直角三角形的面积,另一个三角形的面积是。
(9)8.AABB表示一个完全平方数,A、B代表什么数字时,这个四位数是完全平方数。
符合条件的四位数是___________9. 1919…19(共20个19)除以99,余数是多少?10. 在所有的三位数中,是7的倍数,但不是2、3、4、5、6的倍数的数有__个三、解答题:11、某校进行野外军训,甲、乙两队同时从学校出发。
两队白天的行走速度是不同的,甲队每个白天行20千米,乙队行15千米,夜里两队的行走速度是相同的,结果甲队恰好用5个昼夜达目的地,乙队恰好用6个昼夜到达目的地。
那么,从学校到目的地共有多少千米?12有一个30项的等差数列,和为3675,它的每一项都是自然数,那么其中最大的一项的最大值是多少?13、已知两个正方形的边长分别为4分米和6分米,则图中阴影部分的面积是______平方分米。
14有一串分数:11,12 ,22 ,12 ,13 ,23 ,33 ,13 ,14 ,24 ,34 ,44 ,14 ,15 ,25……,这串数的第400个数是几分之几?15、布袋中12个乒乓球分别标上了 l ,2,3,…,12.甲、乙、丙三人,每人从布袋中拿四球,已知三人所拿球上的数的和相等,甲有两球标上5、12,乙有两球标有6、8,丙有1球标1,问丙的其它三个球上所标的数是多少?16、将三位数ab 3重复写下去,一共写1993个ab 3,所得的数正好能被91整除,求ab17、某河上下两港相距80千米,每天定时有甲乙艘船速相等的客轮从两港相向而行,甲船顺水而行每小时行12千米,乙船逆水每小时行8千米。
【小升初】北京101中学小升初英语分班考试
北京101中学小升初英语分班考试真题一.单项填空1.Mr. Wang is _________ excellent teacher. Everybody loves him.A. aB. anC. theD. /2.My cousin gave _______ a cute teddy bear for my birthday.A. IB. myC. meD. mine3.---It’s a nice day, _______? ---Yes, it is.A. isn’t itB. is itC. has itD. hasn’t it4.People like hamsters _________ they are nice and interesting.A. soB. andC. butD. because5.--- _____ should I get my mom for Mother’s Day?---Why don’t you get her a scarf.?A. WhoB. WhatC. WhenD. How6.–Alison, how long have you been skating?-I have been skating ________ nine o’clock.A. forB. atC. sinceD. from7.Tom did __________ in math this year than last year.A. goodB. wellC. bestD. better8.--- I didn’t go to the Disneyland in Hong Kong last year. --- Me, ______A. neitherB. eitherC. alsoD. too9.This dictionary was very cheap and it only ________ me twelve dollars.A. spentB. usedC. paidD. cost10.–Would you mind _______ your bike? –No, not at all.A. movingB. to moveC. moveD. moved11.He ________ down the street when the accident happened.A. walksB. walkedC. was walkingD. is walking12.Sorry, I don’t have enough time ________ with you today.A. playB. to playC. playingD. played13.–Where is John? –He _____ to the library. He’ll come back soon.A. has goneB. has beenC. wentD. was going14.-- _____ you please wash the dishes? –Ok, I’ll do them in a minute.A. MayB. MustC. CouldD. Should15.Excuse me, Sir, Can you tell me __________? A. how we got to the zoo B. how can we get to the zooC. how did we get to the zooD. how we can get to the zoo二.完型填空When I was in my first year of middle school, my father died. And my mother was ill just after I entered high school. I had to ___1____ going to school because my mother had to money to pay my school bills.We began to work in people’s gardens to save up money for me to back to school. ____2_____, I returned to school. Unluckily, my mother died the next year. And my ___3___went dark. I asked my headmaster if I could work for the ___4___ this summer vacation, so I could pay my bills. He was a nice man and let me work in the school garden during the ____5_____. I had not been able to study well because of my mother’s death. At the end of my second year, I ____6______ most of my exams and the teacher told me I had to repeat the year. After another summer working in the school garden, I went ____7___ to lessons again,. But suddenly I fell ill.Because of my disease I was weak and couldn’t work at school. I was hopeless. My headmaster told me not to give up. And my teachers and classmates ____8_____ me a lot. Now, I’m feeling better and will finish my third year.My life is still not ____9___. A few students laugh at my poor clothes. They also call me “farmer” because I work in the school garden. But I ____10____ hard days will always be followed by sunshine.1. A. stop B. start C. keep D. finish2. A. Especially B. Probably C. Finally D. Usually3. A. mind B. world C. heart D. family4. A. school B. zoo C. park D. museum5. A. afternoon B. year C. weekends D. holidays6. A. passed B. took C. failed D. had7. A. along B. back C. down D. up8. A. helped B. gave C. worried D. taught9. A. terrible B. hard C. easy D. difficult10.A. discover B. imagine C. notice D. believe三.阅读理解(A)Happy Days Club Parker;s Sweet Shop For Young People 14 Barrett RoadFrom 12 – 18 years 5 minutes from town centreEvery Friday 7:30 pm – 10:30pm Try our famous chocolate29 Milton Street Eggs and sugar hearsJust $1 a week Prices lower than in other shopsGames-music-dancing and lots more Open Monday-Saturday 9am-5amInternational Library Painting CompetitionBooks, CDs and videos For young people 8-16 years oldOver 100 Foreign newspapers Paint a picture of an animalAnd magazines Send it to:Entrance Free Young Artist MagazineMonday- Saturday 9:30am-6:00pm 12 High StreetNew England House, Museum Street Before 14 SeptemberAnd win a bicycle!1.What does Parker’s Sweet Shop sell?A. BooksB. ChocolateC. PicturesD. CDs2.What time does Happy Days Club open?A. 9:00 amB. 9:30 amC. 7:30 pmD. 10:30 pm3.What should you paint if you want to take part in the painting competition?A. An eggB. A girlC. A bicycleD. An animal(B)In Canada you can find dogs, horses, etc., in almost every family. These are their pets. People love these pets and regard them as their good friends. Before they keep them at their houses, they take them to animal hospital to give them injection (注射) so that they won’t catch disease (疾病). They have special animal food stores, though they can get animal food in almost every store. Some people spend around two hundred Canadian dollars a month on animal food. When you visit people’s homes, they would be very glad to show you their pets and they are very proud of them. You will also find almost every family has a bird feeder in their garden. All kinds of birds are welcomed to come and have a good meal. They are free to come and go and nobody is allowed to kill any animals in Canada. They have a law against killing wild animals. If you killed an animal, you would be punished (惩罚).Senior (old) people in Canada have many reasons to like animals. One of them might be their family lie is not as close as ours. When children grow up, they leave their parents and start their own career (事业), then the seniors will feel lonely. And pets can solve this problem. They can be good friends and never leave them alone.1.The passage mainly tells us people in Canada ________________.A. like to keep pets at homeB. spend a lot of money on petsC. think killing pets is against the lawD. enjoy showing pets to their friends2.People give pets injection to make them not __________________.A. run awayB. hurt peopleC. get illD. eat much3.The underlined word “feeder” refers to ___________________.A. something to keep the birdsB. a person who feeds the birdsC. something to put food in for birdsD. a person who sells bird food4.Old people like to keep pets because ____________.A. pets cost less moneyB. pets are quiet and cleanC. pets are easy to take care ofD. pets can make good companies(C)Depalma was driving a large American car. As soon as the race started, he pulled out in front. As the race went on, he kept the first place. And he was far ahead of Dawson, the man in the second place.When the race was almost over, some people got up and left. “Why did stay?”they thought. They were sure they knew who would win.But things did not go as they thought. A strange noise came from Depalma’s car. It slowed down. Something was wrong. Depalma knew his car would not go far. His only hope was that he would make it to the finish. But on his last lap, car stopped. Dawson’s car roared (呼啸) by. Depalma saw it go by. He knew he could not win now. “But I can finish the race,” he thought. And he got out of his car. So did his assistant. They began to push the car to the finish.Dawson went by them again and again. He was on his last lap. He was going to win. Depalma and his friend did not care. They went on pushing.At first, all eyes were on Dawson. He crossed the line. And the race was over. He’d won! Depalma and his friend pushed on. At last, the car crossed the line. B then all the people were shouting for them. They shouted more than they did for Dawson. This was a different kind of winner!1.When Depalma’s car stopped, _______________.A. he repaired his car right awayB. he decided to give up his carC. he and his assistant pushed the carD. he still believed he would win the race2.Which of the following is Not true according to the passage?A. Depalma didn’t want Dawson to win the raceB. Both of Depalma and Dawson are winnersC. Depalma didn’t drive his car to the finishD. Depalma drove faster than others at first.3.What can we learn from the passage?A. American cars always break down in the race.B. Good cars always help people win the race.C. People should always shout for the loser.D. People should always keep trying.四.任务阅读If you go to a fast food restaurant or a snack bar, you will probably see a lot of teenagers. Today, many teenagers are overweight, and some of this is because of their had eating habits. Most teenagers love food with a lot of fat, oil, salt and sugar. People often call this type of food “junk food”.But bad eating habits go beyond fast food. Many teenagers find it difficult to eat healthily. Some don’t have breakfast before they go to school. During the day, some don’t have a proper meal for lunch. In a recent survey at one school, scientists found that over two-thirds of the students didn’t follow a healthy diet. Nearly half of the students didn’t like vegetables, and many of them didn’t like to eat fruits. They preferred to eat food with a lot of salt, sugar, or fat.Parents today also worry about their children’s diet. Some doctors give the following advice.Teenagers shouldn’t eat too much junk food.Teenagers shouldn’t eat food with too much salt. Salt can cause high blood pressure in the future.Teenagers should eat food with less fat, oil and sugar.Teenagers need to eat some fruits and vegetables every day. Fruits and vegetables are rich in vitamins and have little fat.Teenagers need to drink more milk. Milk will help their bones grow.Teenagers need to eat breakfast every day. This is good for their body and mind.Bad eating habitsEating food with a lot of fat, oil, salt, and sugar.Not having 1. ____________ before going to school.Eating few 2. ______________________________ Doctors’ adviceEating food with less fat, oil and sugar.Eating vegetables and fruits every day because theyare rich In vitamins and have 3. ________________Drinking more milk will help build hones.Eating breakfast every day, which is good for the4. ______________________________________The writer wants to help teenagers to 5. __________________________________英语答案:一。
上地101数学分班试题(无答案)
上地101小升初分班考试题
1、某校学生举行春游,若租用45座客车,则有15人没有座位,若租用同样数目的60座客车,则一辆客车空车。
已知45座客车租金220元,60座客车租金300元。
问:⑴这个学校一共有学生多少人?(3%)⑵怎样租车,最经济合算?
2、一只两层书架,上层放的书比下层的3倍还多18本,如果把上层的书拿出101本放到下层,那么两层所放的书本数相等。
原来上下层各有书几本?〔用方程解〕
3、为了学生的卫生安全,学校给每个住宿生配一个水杯,每只水杯3元,大洋商城打九折,百汇商厦“买八送一”。
学校想买180只水杯,请你当“参谋”,算一算:到哪家购买较合算?请写出你的理由。
4、小明用8天时间看完一本书,每天看了这本书的19还多2页,这本书共有多少页?
5、甲乙两辆汽车同时从两地相向而行,甲车每小时行45千米,乙车每小时行42千米。
两车在距离中点12千米处相遇。
两车同时开出后
经过多少小时相遇?
6、一种报纸,如果一个月一订,没有优惠,需10元。
如果一年一订,可优惠10%,这样订阅一年需要多少钱?
7、某商场参加财物保险,保险金额为4000万元,保险费率为0。
75%,由于事故,损失物品价值达650万元,保险公司赔偿500万元,这样商场实际损失了多少万元?。
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1、某校学生举行春游,若租用45座客车,则有15人没有座位,若租用同样数目的60座客车,则一辆客车空车。
已知45座客车租金220元,60座客车租金300元。
问:⑴这个学校一共有学生多少人?(3%)⑵怎样租车,最经济合算?2、一只两层书架,上层放的书比下层的3倍还多18本,如果把上层的书拿出101本放到下层,那么两层所放的书本数相等。
原来上下层各有书几本?〔用方程解〕3、为了学生的卫生安全,学校给每个住宿生配一个水杯,每只水杯3元,大洋商城打九折,百汇商厦"买八送一"。
学校想买180只水杯,请你当"参谋",算一算:到哪家购买较合算?请写出你的理由。
4、小明用8天时间看完一本书,每天看了这本书的19还多2页,这本书共有多少页?5、甲乙两辆汽车同时从两地相向而行,甲车每小时行45千米,乙车每小时行42千米。
两车在距离中点12千米处相遇。
两车同时开出后经过多少小时相遇?6、一种报纸,如果一个月一订,没有优惠,需10元。
如果一年一订,可优惠10%,这样订阅一年需要多少钱?7、某商场参加财物保险,保险金额为4000万元,保险费率为0。
75%,由于事故,损失物品价值达650万元,保险公司赔偿500万元,这样商场实际损失了多少万元?填空题:3.在括号中填上合适的自然数,使下面的等式成立。
4.下图是由18个边长相等的正方形组成的长方形,在这个图形中,含有$的长方形或正方形共有_____个5.46305乘以一个自然数a,积是一个完全平方数,则最小的a是________6.从1-36个数中,最多可以取______个不同的数,使这些数中没有两数的差是5的倍数.7.图中的数字分别表示两个长方形和一个直角三角形的面积,另一个三角形的面积是。
(9)8. 表示一个完全平方数,A、B代表什么数字时,这个四位数是完全平方数。
符合条件的四位数是___________9. 1919…19(共20个19)除以99,余数是多少?10. 在所有的三位数中,是7的倍数,但不是2、3、4、5、6的倍数的数有__个解答题:11、某校进行野外军训,甲、乙两队同时从学校出发。
两队白天的行走速度是不同的,甲队每个白天行20千米,乙队行15千米,夜里两队的行走速度是相同的,结果甲队恰好用5个昼夜达目的地,乙队恰好用6个昼夜到达目的地。
那么,从学校到目的地共有多少千米?12有一个30项的等差数列,和为3675,它的每一项都是自然数,那么其中最大的一项的最大值是多少?13、已知两个正方形的边长分别为4分米和6分米,则图中阴影部分的面积是______平方分米。
14有一串分数:,,,,,,,,,,,,,,……,这串数的第400个数是几分之几?15、布袋中12个乒乓球分别标上了 l,2,3,…,12.甲、乙、丙三人,每人从布袋中拿四球,已知三人所拿球上的数的和相等,甲有两球标上5、12,乙有两球标有6、8,丙有1球标1,问丙的其它三个球上所标的数是多少?16、将三位数重复写下去,一共写1993个,所得的数正好能被91整除,求17、某河上下两港相距80千米,每天定时有甲乙艘船速相等的客轮从两港相向而行,甲船顺水而行每小时行12千米,乙船逆水每小时行 8千米。
这天甲船在出发时,从船上掉下一物,此物顺水漂流而下,当甲乙两船相遇时,此物距相遇地点有多远?18有三张写有不同数字扑克牌,牌上的数都在10以内。
把这三张牌洗好后,分别发给甲、乙、丙三人,每个人把自己牌上的数记下以后,再重新洗牌、发牌、记数。
这样反复几次后,三人各自把记录的数相加,和分别是:甲13,乙 18,丙 11。
如果使这三张牌中表示的数尽可能的小,那么这三张牌上写的数各是多少?19已知a为整数,用8克和15克的两种砝码可以称出大于a的任何整数克的重量,但不能称出a克的重量,那么a=__.(砝码只能在天平的一边)20已知正方形ABCD面积为1,E、F、G分别是BC、DC和AD边的中点,求阴影部分的面积是多少?1、有一堆弹子跳棋,如果按“一红二蓝三黑”的顺序依次排列起来,那么第87颗是什么颜色?2、“六一”儿童节前夕,在校园雕塑的周围,用84盆鲜花围成了一个每边三层的方阵,求最外面一层共有鲜花多少盆?3、在田径比赛的400米跨栏跑中,放着10个距离相等的栏架,运动员起跑后需要跨过这10个栏架才能到达终点,从起跑线到第一个栏架的距离是45米,从最后一个栏架到终点的距离是40米,请计算一下两个栏架之间的距离。
4、商店同时卖出两件商品,每件各得30元,但其中一件赚20%,另一件亏20%,这家商店卖出这两件商品是赚钱还是亏本?$5、李老师带着班上24名学生去动物园,看见售票处告示:成人票20元/张,儿童票10元/张,团体票(不少于20人)12元/张,他们最少只需花多少钱就能购得门票?6、学校食堂急需改造,计划在五一节前最多用五天时间完成。
现有三家施工队入选,三队单独施工的时间和费用见下表,由于受场地的限制,最多只能有2个施工队同时施工,你是校长的话,你会怎么安排?大约需要多少费用?甲 乙 丙时间(天) 8 12 15费用(元/天)4000 3600 30007、按规律排列的一串数2,5,9,14,20,27,…,这串数中第2008个数是多少?8、在自然数1~10中,满足,a 的所有数值应是多少? 9、100条直线最多能把平面分成多少部分?10、一只平底锅上只能煎两只饼,用它煎一只饼需2分钟(正、反面各1分钟),若煎3只饼至少用几分钟?怎样煎?11、大、小号运动衣共190箱,按整箱分给甲、乙两个小组出售,已知甲组分到的运功衣 是小号的,乙组分到的运动衣 是大号的,问甲组分到多少箱大号的?乙组分到多少箱小号的?12、小明在一张9乘9的正方形方格里摆放白色、黑色围棋子,摆放后他发现每颗白子的前后左右都是黑棋子,每颗黑子的前后左右都是白棋子,于是小明想把所有的白棋子和黑棋子交换位置,他的这种想法能实现么?13、求在8至98之间,分母为3的所有最简分数的和。
14、甲、乙、丙三人参加长跑比赛,起跑后甲处在第一位,在跑步过程中,甲与乙、丙的位置交换了7次,结果甲是第几名?15、某车间有54名工人,能否有2人在同一星期内过生日?16、一副牌共54张,问至少从中摸出多少张牌才能保证至少有3张牌是红桃?17、3只口袋里分别装有2个红球,2个白球,1红1白,但口袋外贴的标签都是错的,请从一只口袋里取出一只球,是你能根据这个球的颜色说出三个袋子的颜色。
18、小明清晨起来洗脸、刷牙、叠被子需要8分钟,洗杯子、拿奶粉3分钟,烧开水需15分钟,煎鸡蛋3分钟,冲奶粉、吃早点6分钟,经过合理安排,小明最少用几分钟就可以吃完早点上学去?19、两辆卡车到河边运沙子,河边有10个工人装车,卡车装满后,30分钟可以跑一个来回,现在有两个装车方案,请比较哪个方案效率高?方案一:5个人负责装一辆卡车,两车同时装30分钟装完两车方案二:10人同时装一辆卡车20分钟,接着再用20分钟装另一辆卡车20、有一捆201米长的塑料薄膜,根据需要剪成4米或7米长的薄膜出售,怎样剪最省材料?一、计算题:1、(1-12×12)×(1-13×13)×(1-14×14)×……×(1-12003×12003) 2.400300200864432300200100642321⨯⨯++⨯⨯+⨯⨯⨯⨯++⨯⨯+⨯⨯ 二、填空题:3.在括号中填上合适的自然数,使下面的等式成立。
22( )73( )+=4.下图是由18个边长相等的正方形组成的长方形,在这个图形中,含有$的长方形或正方形共有_____个5.46305乘以一个自然数a ,积是一个完全平方数,则最小的a 是________6.从1-36个数中,最多可以取______个不同的数,使这些数中没有两数的差是5的倍数.7.图中的数字分别表示两个长方形和一个直角三角形的面积,另一个三角形的面积是 。
(9) 8.AABB 表示一个完全平方数,A 、B 代表什么数字时,这个四位数是完全平方数。
符合条件的四位数是___________9. 1919…19(共20个19)除以99,余数是多少?10. 在所有的三位数中,是7的倍数,但不是2、3、4、5、6的倍数的数有__个三、解答题:11、某校进行野外军训,甲、乙两队同时从学校出发。
两队白天的行走速度是不同的,甲队每个白天行20千米,乙队行15千米,夜里两队的行走速度是相同的,结果甲队恰好用5个昼夜达目的地,乙队恰好用6个昼夜到达目的地。
那么,从学校到目的地共有多少千米?12有一个30项的等差数列,和为3675,它的每一项都是自然数,那么其中最大的一项的最大值是多少?13、已知两个正方形的边长分别为4分米和6分米,则图中阴影部分的面积是______平方分米。
14有一串分数:11,12 ,22 ,12 ,13 ,23 ,33 ,13 ,14 ,24 ,34 ,44 ,14 ,15 ,25……,这串数的第400个数是几分之几?15、布袋中12个乒乓球分别标上了 l ,2,3,…,12.甲、乙、丙三人,每人从布袋中拿四球,已知三人所拿球上的数的和相等,甲有两球标上5、12,乙有两球标有6、8,丙有1球标1,问丙的其它三个球上所标的数是多少?16、将三位数ab 3重复写下去,一共写1993个ab 3,所得的数正好能被91整除,求ab17、某河上下两港相距80千米,每天定时有甲乙艘船速相等的客轮从两港相向而行,甲船顺水而行每小时行12千米,乙船逆水每小时行8千米。
这天甲船在出发时,从船上掉下一物,此物顺水漂流而下,当甲乙两船相遇时,此物距相遇地点有多远?18有三张写有不同数字扑克牌,牌上的数都在10以内。
把这三张牌洗好后,分别发给甲、乙、丙三人,每个人把自己牌上的数记下以后,再重新洗牌、发牌、记数。
这样反复几次后,三人各自把记录的数相加,和分别是:甲 13,乙 18,丙 11。
如果使这三张牌中表示的数尽可能的小,那么这三张牌上写的数各是多少?19已知a 为整数,用8克和15克的两种砝码可以称出大于a 的任何整数克的重量,但不能称出a 克的重量,那么a=__.(砝码只能在天平的一边)20已知正方形ABCD 面积为1,E 、F 、G 分别是BC 、DC 和AD 边的中点,求阴影部分的面积是多少?21、A, B, C, three cars set out from A to B, the speed of A, B is 60km/hour and 48km/hour apart, one person who ride the bike comes toward, and met them apart after they set out 5 hours, 6 hours, 8 hours, find the speed of C.一、选择题:本大题共10小题,共50分。