3 ) learning motives and interests in physics of students in the first grade of senior - middle - school are weak ; leaning - confidence is not enough ; learning in class is not active ; learning - method follows such junior - middle - school methods as mechanical memory and mechanical using formulas 高一学生物理学习动机不强、学习兴趣不浓；学习信心不足；课堂学习不主动：学习沿袭初中的学习方法? ?死记硬背、解题时套用公式。
