一辆小汽车以8m/s的速度沿平直的公路匀速行驶，司机突然发现前方

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问题选择题

一辆小汽车以8m/s的速度沿平直的公路匀速行驶，司机突然发现前方有障碍物(司机的反应时间不计)立即刹车，刹车过程中的加速大小为2m/s²，则汽车在刹车后6秒内的位移是：（）

A．16m

B．12m

C．36m

D．24m

答案

答案：A

选择题

At long last the child was found on top of ______ we call the museum of science and technology.

A．which

B．that

C．what

D．where

选择题

Do you want to say ________ for yourself? [ ]

A. else something

B. other anything

C. something else

D. anything else