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客车从甲地以60 km/h的速度匀速行驶1小时到达乙地,在乙地停留了半小时,然后以80 km/h的速度匀速行驶1小时到达丙地,下列描述客车从甲地出发.经过乙地,最后到达丙地所经过的路程s与时间t之间关系的图象中,正确的是

发布时间:2021-08-04

A.http://picflow.koolearn.com/upload/papers/g02/20110818/201108180928286872925.gif

B.http://picflow.koolearn.com/upload/papers/g02/20110818/201108180928287032926.gif

C.http://picflow.koolearn.com/upload/papers/g02/20110818/201108180928287032940.gif

D.http://picflow.koolearn.com/upload/papers/g02/20110818/201108180928287182910.gif

试卷相关题目

  • 1设函数http://picflow.koolearn.com/upload/papers/g02/20110322/201103220953075391444.gif在点x=1处连续,则a=

    A.http://picflow.koolearn.com/upload/papers/g02/20110322/20110322095328414879.gif   

    B.http://picflow.koolearn.com/upload/papers/g02/20110322/20110322095335695883.gif  

    C.http://picflow.koolearn.com/upload/papers/g02/20110322/20110322095341961882.gif 

    D.http://picflow.koolearn.com/upload/papers/g02/20110322/20110322095349742878.gif

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  • 2函数http://picflow.koolearn.com/upload/papers/g02/20110519/20110519162440772987.gif的图象是

    A.http://picflow.koolearn.com/upload/papers/g02/20110519/201105191624407721292.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20110519/201105191624408031301.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20110519/201105191624408031299.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20110519/201105191624408191301.gif

    开始考试点击查看答案
  • 3已知函数 http://picflow.koolearn.com/upload/papers/20140823/201408231502094351124.gif在点 http://picflow.koolearn.com/upload/papers/20140823/20140823150209450232.gif处连续,则常数 http://picflow.koolearn.com/upload/papers/20140823/20140823150209466192.gif的值是

    A.2

    B.3

    C.4

    D.5

    开始考试点击查看答案
  • 4一水池有2个进水口,1个出水口,进出水速度如图甲、乙所示。某天0点到6点,该水池的蓄水量如图丙所示,(至少打开一个水口) 给出以下3个论断:①0点到3点只进水不出水;②3点到4点不进水只出水;③4点到6点不进水不出水。 则正确论断的个数是http://picflow.koolearn.com/upload/papers/g02/20110415/201104151434311934485.gif

    A.没有

    B.1

    C.2

    D.3

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  • 5甲乙二人同时从A地赶往B地,甲先骑自行车到中点改为跑步,而乙则是先跑步到中点改为骑自行车,最后两人同时到达B地,又知甲骑自行车比乙骑自行车的速度快,并且二人骑车速度均比跑步速度快。若某人离开A地的距离S与所用时间t的函数关系可用图象表示,则下列给出的四个函数图象中,甲、乙各人的图象只可能是http://picflow.koolearn.com/upload/papers/g02/20110125/201101251353400663841.gif

    A.甲是图①,乙是图②

    B.甲是图①,乙是图④

    C.甲是图③,乙是图②

    D.甲是图③,乙是图④

    开始考试点击查看答案
  • 6设函数f(x)(x∈R)满足f(-x)=f(x),f(x+2)=f(x),则y=f(x)的图像可能是

    A.http://picflow.koolearn.com/upload/papers/g02/20110823/201108231559277031620.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20110823/201108231559277181598.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20110823/201108231559277181620.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20110823/201108231559277341630.gif

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  • 7函数y=2x-x2的图象大致是

    A.http://picflow.koolearn.com/upload/papers/g02/20110805/201108051533421251149.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20110805/201108051533421251149.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20110805/201108051533421401148.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20110805/201108051533421561159.gif

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  • 8函数y=f(x)的图象与直线x=a的交点个数有

    A.必有一个

    B.一个或两个

    C.至多一个

    D.可能两个以上

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  • 9如图所示,液体从一个圆锥形漏斗漏入一个圆柱形桶中,开始时漏斗盛满液体,经过漏完.已知圆柱形桶中液面上升的速度是一个常量,H是圆锥形漏斗中液面下落的距离,则H与下落时间t(min)的函数关系式表示的图象只可能是http://picflow.koolearn.com/upload/papers/g02/20110520/201105200953304441644.gif 

    A.http://picflow.koolearn.com/upload/papers/g02/20110520/201105200953304441183.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20110520/201105200953304751174.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20110520/201105200953305061137.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20110520/201105200953305221176.gif

    开始考试点击查看答案
  • 10四位好朋友在一次聚会上,他们按照各自的爱好选择了形状不同、内空高度相等、杯口半径相等的圆口酒杯.如图所示,盛满酒后他们约定:先各自饮杯中酒的一半,设剩余酒的高度从左到右依次为h1,h2,h3,h4,则它们的大小关系正确的是http://picflow.koolearn.com/upload/papers/g02/20110818/201108180932099681822.gif

    A.h2>h1>h4

    B.h1>h2>h3

    C.h3>h2>h4

    D.h2>h4>h1

    开始考试点击查看答案
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