求翻译：教材的原因。PEP小学英语在3A3B两册时以听说为主，对学生要求较低，题材结合实际、贴近生活，语言真实地道，插图生动活泼。三年级学生对英语的兴趣很高。但从4A开始逐步在继续重视听说的同时，渗透读写要求。《PEP小学英语》共出现了700多个单词和一些习惯用语，15多个话题。四年级学生对学习难度的加大开始不适应，学习兴趣开始减退。尤其是到了五六年级，教材语言点多、跨度大，语言的复现不够，学生遗忘得快，知识掌握得不够牢固，加之方法不得当，学生两极分化现象严重，对英语的学习兴趣也就更无从谈起了。是什么意思？

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The reason for teaching materials. PEP A primary English in 3 to 3 When I heard that mainly B two volumes, the students and the themes that require lower light true Mody Road, close to life, language, vivid illustrations. Grade 3 students' interest in English is very high. But from 4A began to be gr

Reasons for teaching materials. PEP Primary English in 3A3B when the two-volume listening mainly lower demands on students, subject matter in connection with reality, close to the life, languages real authentic, lively illustrations. Third-year student of English interest was high. But gradually fro