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为了学以致用,学生能把课本上学到的知识较好地用于实践,在编写教材时应尽可能从实际出发。但目前不少资料上的例题、练习题的选择和解法不够理想,例如,由人民教育出版社出版的“九年制义务教育三年制初级中学《几何》第二册”上,第三章中的3.11“作图题举例”一节第91页例3:“要在河边修建一个水泵站,分别向张村、李庄送水,修在河边什么地方可使所用水管最短?”其后第92页还有一道题
In order to apply what they have learned, students can use the knowledge learned in their textbooks to better practice, and they should proceed as far as possible when writing textbooks. However, at present, the choices and solutions of examples and exercises on many materials are not ideal. For example, the “second-year compulsory secondary education three-year junior middle school geometry” published by the People’s Education Press is the second and the third chapter. Example 3.11 “An example of a drawing problem” on page 91. Example 3: “Is there a water pumping station on the river to send water to Zhangcun and Lizhuang, respectively, and where will the water pipe be the shortest?” There is another question on page 92