题目详情
单选题 阅读练习册第6-8页Task1,完成以下选择题小题:Compared with the students in the early 1960s, today's undergraduates spend ______ hours less on study
A. 15
B. 25
C. 10
D. 40
学科:默认课程
时间:2025-12-29 11:37:18
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