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中文
2022, Vol. 43(9): 1-5 DOI: 10.13884/j.1003-3807hxjy.2021070094
Comparison of the Difficulty of Senior High School Chemistry Compulsory Courses Under the New and Old Curriculum Standards
QIAN Sheng
1,2*
, ZHENG Chang-Long
3
1. Institute of Teacher Education, Northeast Normal University, Changchun 130024, China;
2. Chongqing Academy of Educational Sciences, Chongqing 400015, China;
3. Institute of Chemistry Education, Northeast Normal University, Changchun 130024, China
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