要想顺利解答选择题,不仅要熟练掌握和灵活应用基础知识,更重要的是要掌握一定的技巧,才能达到快速求解的目的.对于选择题中的单选题,由于其答案的唯一性,若用特殊代替一般进行验证或简单推算,即可把复杂问题简单化.下面举例说明巧妙处理此类问题的常用方法与技巧. In order to successfully answer multiple choice questions, not only to master and apply the basic knowledge of flexible, more importantly, to master certain skills in order to achieve the purpose of rapid solution.For the multiple choice questions, because of the uniqueness of the answer, If you use special instead of the general validation or simple calculation, you can simplify the complex issues. The following examples illustrate the clever way to deal with such problems and techniques.