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It was late last Monday, but Tom was still ____ TV in his room. There was a wonderful football match on TV. ____  excited he was! That night he  ____ go to bed until twelve o'clock. The next morning, it was a quarter to eight. It was ____ late for Tom to get to school ____ time. But he was still in bed. When Tom ____ school, it was eight. The teacher was already beginning her lesson. As soon as Tom came into the classroom, she got  ____ and said,"What time is it now, Tom "Tom felt sorry and could say  ____ . In English class, he  ____ a test. As he didn't know the lessons at  ____ , Tom failed his English test.

我校的物理课外探究小组对“吸收太阳能与表面颜色之间的关系”进行了实验研究：在黑色塑料袋和白色塑料袋内装入同样质量的水，插入温度计后系好，放在阳光下暴晒，每隔相同的时间，读出温度计的示数．数据记录如下：

 在“测滑轮组机械效率”的实验中，先用弹簧测力计测量钩码所受的重力G，再按图所示的连接方式组装好滑轮组，并分别记下钩码和弹簧测力计的起始位置．