题目

Jim had a busy weekend last week.On Saturday morning，he went to visit his grandmother with his parents.His grandmother lives in a beautiful village.There Jim went to the mountains with his cousin.After dinner，they had a good time seeing some old videos.On Sunday morning，Jim wanted to go bike riding，but it was raining hard，so he had to stay at home.He wanted to watch TV but his mother asked him to help her with some housework.In the evening，he studied for the coming math test，then it was time to go to bed.根据短文内容补全下面表格，每空不超过2个词。Jim's busy w 如图是我们实验用的弹簧测力计，用它能否知道物体的质量，如果能，试着将它改装一下，便于方便知道物体的质量．回答： 改装理由： 具体做法：