[填空题]Educational attitudes in a country may be a 【B1】 by which its basic cultural values are reflected. To take the American higher education 【B2】 example, university classrooms share certain identical features though they 【B3】 from course to course in some aspects. Any student, 【B4】 their ethnic and social background, is not only allowed but also encouraged to have chances for active participation in class. 【B5】. teachers often expect independent learning 【B6】 their students. It will be most appreciated if a student can 【B7】 the initiative and complete the assignment without too much 【B8】 upon his or her instructors. These two 【B9】 features in American university classrooms actually manifest the basic American values, especially self-reliance and 【B10】 of opportunity.
A. A．methods
B．mean
C．means
D．measure

[填空题]Educational attitudes in a country may be a 【B1】 by which its basic cultural values are reflected. To take the American higher education 【B2】 example, university classrooms share certain identical features though they 【B3】 from course to course in some aspects. Any student, 【B4】 their ethnic and social background, is not only allowed but also encouraged to have chances for active participation in class. 【B5】. teachers often expect independent learning 【B6】 their students. It will be most appreciated if a student can 【B7】 the initiative and complete the assignment without too much 【B8】 upon his or her instructors. These two 【B9】 features in American university classrooms actually manifest the basic American values, especially self-reliance and 【B10】 of opportunity.
A. A．However
B．Moreover
C．Whereas
D．Otherwise