有一位初一学生,学期结束时,数学、外语、地理三门学科不及格,经补考后,勉强升级。一天,他正在津津有味地阅读《上下五千年》,不料却遭到家长的批评:“课本都读不好,还看什么闲书?再看这种闲书准会留级。”不少教师也持有类似看法,认为课外阅读是对学有余力的学生而言的。学习成绩差的学生看课外读物,往往会被加以制止,并被认为那是他们学习成绩之所以差的原因之一。植物生长需要多种肥料。磷肥有助于开花结果,氮肥能促进茎叶生长,钾肥能使根系发达。肥料不同,功能各异,然而对于植物来说,三者缺一不可 There was a first-year student. At the end of the semester, the three disciplines of mathematics, foreign language, and geography failed. After making up the exam, they barely upgraded. One day, he was relishing the reading of “Five Thousand Years,” but he was criticized by the parents: “Any textbooks are not well read, but what kind of idle books do you read? Looking at this kind of leisure book will be repeated.” Many teachers also hold In a similar view, it is considered that extracurricular reading is for students who have more ability to learn. Students with poor academic performance look at extra-curricular readings and are often stopped. They are considered to be one of the reasons why their academic performance is poor. Plant growth requires multiple fertilizers. Phosphate fertilizers contribute to the flowering results, nitrogen fertilizers can promote the growth of stems and leaves, and potassium fertilizers can make the root system develop. Different fertilizers have different functions, but for plants, the three are indispensable