先听后说,兼顾读写,主次分明,循序渐进 Listening first,then speaking,with due considerations to reading and writing 话题由浅入深,循环复现;句子可替换l生强,易于举一反三 Topics going from shallow to deep;Replaceable sentences,easy to imitate 图解语言点和句式,直观形象,便于理解 Using pictures to illustrate grammar points and patterns,easy to understand 随书附光盘,内含丰富插图,方便制作PPT CD attached,with plentiful pictures for PPT