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【题目】如图,该曲线表示一人骑自行车离家的距离与时间的关系.骑车者9时离开家,15时回家.根据这个曲线图,请你回答下列问题:

(1)最初到达离家最远的地方是什么时间?离家多远?

(2)何时开始第一次休息?休息多长时间?

(3)第一次休息时,离家多远?

(4)11001200他骑了多少千米?

(5)他在900100010001030的平均速度分别是多少?

(6)他在哪段时间里停止前进并休息用午餐?

【答案】(1) 12时 30千米

(2) 10:30 半小时

(3) 17千米

(4) 13千米

(5) 10千米/时 14千米/时

(6) 12时到13时

【解析】解:(1)最初到达离家最远的地方的时间是12时,离家30千米.

(2)1030开始第一次休息,休息了半小时.

(3)第一次休息时,离家17千米.

(4)11001200他骑了13千米.

(5)9001000的平均速度是10千米/时;10001030的平均速度是14千米/时.

(6)12时到13时停止前进,并休息用午餐较为符合实际情形.

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