疑难句型辨析(下)

六、名词性从句、状语从句和定语从句的混合①David says sounds right to Hellen. That蒺s why she has made up her mind to leave with him happens.A.Whatever, no matter whatB.No matter what, whateverC.No matter what, no matter whatD.Whatever, however②surprises me most is that she doesn蒺t even know the dif-ference between the two lies.A.What, where B.Whatever, which C.Where, which D.No matter what, where③advice he has been given, he did exactly he wanted to do.A.Ho…     

特殊类型非线性高阶微分方程的初等积分法

非线性高阶微分方程没有统一的求解模式.对于一些特殊的非线性高阶微分方程,可借助“引入新变量”、寻求“首次积分”等方法求出其通解.     

数学分析教学中的若干问题探讨

课堂教学中应把握着教学的重点，处理好一般性与特殊性之间的关系，把彼此相关的问题有机地联系起来，概念的讲解要力求做到严谨准确，触类旁通．要善于运用典型方法，善于对比，善于归纳．