开封大学根据这一指导原则，在调查研究的基础上制订出本校公共英语分级教学的实施办法，并依此进行教学内容的改革和教材建设的尝试。
Based on the principle , Kaifeng University has carried out the plan of graded English teaching and tried to reform the teaching contents and textbook construction .
开封张，东南大学，中国。
Kaifeng Zhang , Southeastern University , China .
开封大学