高中一年级上期学生,对作物理习题普遍地感到困难。这种困难一般的说来自两方面: (一) 教材在深度和广度上比过去有显著的增长,习题不再像初中时那样简单直接。他们不能从习题中看出支配题里的物理过程或现象的定律,这是因为对定律与公式理解不够所造成的; The first year of high school students, generally difficult for exercises. This difficulty generally comes from two aspects: (a) textbooks in the depth and breadth significantly increased than in the past, the problem is no longer as simple and direct as junior high school. They can not discern from the exercises the laws of the physical processes or phenomena in the dictation because of the lack of understanding of the laws and formulas;