以铁和铝的重要化合物为素材,精心设计了五个组合实验问题,通过复习教学,激发了课堂活力,提高了学生的实验能力及学科思维品质。 Taking the key compounds of iron and aluminum as the material, five combinatorial experimental questions are elaborately designed. By reviewing the teaching, the vitality of the classroom is stimulated, and the experimental ability and the thinking quality of the students are improved.