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今年五月,美籍学者李政道教授访问了陕西省延安中学,并听了高一(1)班物理课教学,参观了物理实验室,接着在座谈会上谈了对中学物理教学意见:
In May this year, American scholar Professor Li Zhengdao visited Yan’an High School in Shaanxi Province and listened to the teaching of Physical Education Class (1) in Senior High School (I) and visited the Physics Laboratory, and then talked about the teaching of physics in middle school at the symposium: