试题与答案

在行驶的列车上,妈妈叫小孩“别乱跑”,这个“别乱跑”的参照物是 A.铁路边的树木

题型:选择题

题目:

在行驶的列车上,妈妈叫小孩“别乱跑”,这个“别乱跑”的参照物是        

A.铁路边的树木

B.远处的房屋

C.车厢里移动的服务车

D.小孩子的座位

答案:

答案:D

题目分析:妈妈叫小孩“别乱跑”,意思是担心小孩离开座位不安全,想让小孩处于静止状态,所以以小孩子的座位为参照物,小孩与他的座位之间的位置不会发生变化,小孩是静止的.

故选D.

点评:此题主要考查学生对参照物的选择、运动和静止的相对性的理解和掌握,研究同一物体的运动状态,如果选择不同的参照物,得出的结论可以不同,但都是正确的结论.因此,要抓住“参照物”这个中心,结合实际,进行分析.

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小题6:Our school is trying its best to improve our studying and working c__________.

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