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黑板,面积不大,但它的天地非常广阔。教师,就凭他手中的一支粉笔,纵横驰骋,能把学生带到海角天涯。黑板,坚硬单薄,但它胜似一方肥沃的土地。教师,就凭他手中的一支粉笔,辛勤耕耘,能把学生带进丰收的田野。黑板,漆黑无光,但它却似电脑的显示器。教师,就凭他手中的一支粉笔,灵巧指点,能把学生带入科学的宫殿。讲读课的板书,来源于教材,是作者思路的体现,是课文内容的高度提炼。
Blackboard, small area, but it's vast world. Teachers, by virtue of his hand a piece of chalk, ride gallop, can bring students to Cape horizon. Blackboard, hard and thin, but it is better than fertile land on one side. Teachers, with the help of a piece of chalk in his hand, worked hard to bring students into the harvest fields. Blackboard, dark, but it is like a computer monitor. The teacher, with the help of a chalk in his hand, deftly instructs, can bring the student into a scientific palace. The reading of the board, derived from textbooks, is the embodiment of the author's thinking is the highly refined text content.