题干
阅读短文，然后用括号中所给词的适当形式填空。
Mr. Smith ____(come)from England. He____(work) in amiddle school in Beijing now. He ____(go) to work five days a week. He____(like) his students and ____(teach)them a lot. He likes ____(play)games with his students. His students ____(like) him too. He can speak a little Chinese. He ____(talk)to his students in English, and____(drink) tea with them on Sundays. He usually ____(have) a good time.
答案(点此获取答案解析）
comes,works,goes,likes,teaches,playing/to play,like,talks,drinks,has
时刻，将一金属小球从弹簧正上方某一高度处由静止释放，小球落到弹簧上压缩弹簧到最低点，然后又被弹起离开弹簧，上升到一定高度后再下落，如此反复。通过安装在弹簧下端的压力传感器，测出这一过程弹簧弹力
随时间
变化的图像如图（乙）如示，则
