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题目内容双击单词支持查询和收藏哦～
The contribution of a proliferation of new courses intended to broaden the knowledge and experiences of university students will be_____________
unless the new courses draw students' attention away from core courses and basic concepts and skills.
- A.invaluable
- B.negative
- C.excellent
- D.superficial
- E.unpredictable
- F.detrimental
A,C显示答案
以上解析由 考满分老师提供。
