做题不能追求数量,而要讲究质量,要学会以点带面,多角度理解,只有这样才能跳出题海的怪圈.选择好题,选择成功!为此,我们特推荐以下这些习题,希望同学们能够融会贯通,学以致用,从多种角度分析思考,积极探索解题规律,摸索出获得最优解法的途径. To do the question can not pursue the quantity, but must pay attention to the quality, must learn to the point with the surface, the multi-angle understanding, only in this way can jump out the insane sea .Select the good question, chooses the success! For this, we specially recommends these following exercises, hopes the student , Learn practical, analyze and think from a variety of angles, and actively explore the law of solving problems, explore the way to obtain the optimal solution.