在开始本文之前,让我们先来看以下几个案例:案例一:“花为什么会开?”课堂上,老师问学生:“花为什么会开?”课堂顿时热闹起来,学生发言热情空前高涨。生1说:“她睡醒了,想看看培育她的园丁。 Before starting this article, let us first look at the following cases: Case 1: ”Why did the flower open? “ Class, the teacher asked the students: ”Why did the flower open? “ Class suddenly lively, students speak Enthusiasm unparalleled. Student 1 said: ”She woke up and wanted to see her nurturing gardener.