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如图表示一位骑自行车者与一位骑摩托车者在相距80km的两城镇间旅行的函数图象,由图中信息,判断以下说法正确的序号为 ①骑自行车者比骑摩托车者早出发3小时,晚到 1小时; ②骑自行车者是变速运动,骑摩托车者是匀速运动; ③骑摩托车者出发后1.5小时后追上了骑自行车者。http://picflow.koolearn.com/upload/papers/g02/20110406/201104061019249252234.gif

发布时间:2021-08-04

A.①③

B.①②③

C.②③

D.①②

试卷相关题目

  • 1已知图1是函数y=f(x)的图象,则图2中的图象对应的函数可能是http://picflow.koolearn.com/upload/papers/g02/20110615/201106151455508212278.gif

    A.y=f(|x|)

    B.y=|f(x)|

    C.y=f(-|x|)

    D.y=-f(-|x|)

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  • 2函数y=http://picflow.koolearn.com/upload/papers/g02/20110830/20110830143954703874.gif-2sinx的图象是

    A.http://picflow.koolearn.com/upload/papers/g02/20110830/201108301439547181654.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20110830/201108301439547501517.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20110830/201108301439547651630.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20110830/201108301439547651669.gif

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  • 3客车从甲地以60km/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80km/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

    A.http://picflow.koolearn.com/upload/papers/g02/20110808/201108081449174373311.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20110808/201108081449174533331.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20110808/201108081449174683275.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20110808/201108081449174843284.gif

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  • 4某学生离家去学校,由于怕迟到,所以一开始就跑步,等跑累了再走余下的路程.在下图中纵轴表示离学校的距离,横轴表示出发后的时间,则下图四个图形中较符合该学生走法的是

    A.http://picflow.koolearn.com/upload/papers/g02/20110622/201106221655163321254.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20110622/201106221655163481244.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20110622/201106221655163791236.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20110622/201106221655163951247.gif

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  • 5四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

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  • 6已知函数 http://picflow.koolearn.com/upload/papers/20140823/201408231545449351027.gif是连续函数,则实数 http://picflow.koolearn.com/upload/papers/20140823/20140823154544982192.gif的值是

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823154545013147.gif

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823154545029134.gif

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823154545060153.gif

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823154545076197.gif

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  • 7若实数x,y满足|x-1|-lghttp://picflow.koolearn.com/upload/papers/g02/20110418/20110418145632734884.gif=0,则y关于x的函数的图象形状大致是

    A.http://picflow.koolearn.com/upload/papers/g02/20110418/201104181456327501306.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20110418/201104181456327651304.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20110418/201104181456327651405.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20110418/201104181456327811438.gif

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  • 8设函数 http://picflow.koolearn.com/upload/papers/20140823/20140823120214777885.gif在点 http://picflow.koolearn.com/upload/papers/20140823/20140823120214809226.gif处连续,则实数 http://picflow.koolearn.com/upload/papers/20140823/20140823120214824192.gif的值是(  )

    A.2

    B.1

    C.3

    D.-2

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  • 9设函数http://picflow.koolearn.com/upload/papers/g02/20111206/201112061152006091455.gif,在x=2处连续,则a=

    A.http://picflow.koolearn.com/upload/papers/g02/20111206/20111206115200625898.gif

    B.-http://picflow.koolearn.com/upload/papers/g02/20111206/20111206115200656881.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20111206/20111206115200687881.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20111206/20111206115200718882.gif

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  • 10函数http://picflow.koolearn.com/upload/papers/g02/20110127/20110127163304472948.gif的图像大致是

    A.http://picflow.koolearn.com/upload/papers/g02/20110127/201101271635521131352.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20110127/201101271636017691375.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20110127/201101271636126131348.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20110127/201101271636242221374.gif

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