挑战习题
1/5单选题
难度:

1.

小亮从家步行到公交车站台,等公交车去学校. 图中的折线表示小亮的行程skm)与所花时间t(min)之间的函数关系. 下列说法错误的是(   )


A

他离家8km共用了30min

B

他等公交车时间为6min

C

他步行的速度是100m/min

D

公交车的速度是350m/min

提示1:
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提示2:
PHA+55yL5riF5qWa5qiq57q15Z2Q5qCH6L205omA5Luj6KGo55qE5oSP5LmJ77yM5LiN6KaB5oOz5b2T54S244CCPC9wPg==
正确答案:RA==
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