一、导入新课的需要特级教师于漪说得好:“课堂的开始好比提琴家上弦,歌唱家定调,第一个音定准了,就为演奏或歌唱奠定了基础。上课也是如此,第一锤应敲在学生的心灵上,像磁石一样把学生牢牢地吸引住。”上课伊始,学生的注意力很有可能还停留在前一堂课的内容或课间活动时的有趣对象上,此时,教师可 First, the need to import a new class Yujie teacher said: “The beginning of the classroom was like a violinist, the singer set the tone, the first tone, and laid the foundation for playing or singing.Classic so, The first hammer should be knocked on the student’s heart, magnetically holding the student like a magnet. ”" At the beginning of a class, students’ attention is likely to remain in the previous lesson’s content or interesting objects in class activities On this, teachers can