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1.突出学生的主体地位,开辟自主的空间以二氧化碳的实验室制法为例,先引导学生选择药品,然后引导学生根据药品的状态和反应条件选择反应装置,根据二
1. To highlight the main position of students and open up an independent space for carbon dioxide in the laboratory. For example, guide students to choose drugs, and then guide students to select reaction devices based on the state of the drugs and reaction conditions.