钻研教材,不仅在宏观上要对教材有所了解,而且要从微观上深入研究教材。对某一节教材钻研时,要认真分析它的结构层次,研究它的每一道例题、习题,每一个插图、旁注。甚至每一句话、每一个问题都要想一想为什么这么安排,为什么这样叙述。只有经过仔细推敲、反复揣摩,才能真正领会编者 Study textbooks, not only in the macro to understand the textbook, but also from the micro-depth study of textbooks. Studying a section of teaching materials, we must carefully analyze the structure of its hierarchy, to study every case, exercise, every illustration, margin. Even every sentence, every question should think about why this arrangement, why this narrative. Only after careful scrutiny, repeated attempts to figure out in order to really understand the editor