题目

You must have heard these words like how happy it is to be a child. But would you    61 (honest) change places with a child? Think of the years at school: the years   62   (spend) living in constant fear of examinations and school reports.   63   movement you make, every thought you think is watched   64   some adults. Think of the times you had to go to bed early, you had to eat   65   (hate) thing that was supposed to be good for you. Remember how“gentle”pressure   66   (be) given to you with words like “If you don’t do   67   I say, I will（9分）在平直的高速公路上，一辆汽车以32m/s的速度匀速行使，因前方发生事故，司机立即刹车，直到汽车停下，已知汽车的质量为1.5×Kg，刹车时汽车受到的阻力为1.2×N。求：（1）刹车后汽车运动的加速度大小；（2）汽车在2s内的位移；（3）汽车在6s内的位移。