小题1:A
小题2:D
小题3:B
小题4:B
小题1:细节理解题。见第3自然段。
小题2:细节理解题。见第3自然段第2句话However, new educational trends have turned up in the humanities and social sciences…
小题3:主旨大意题。见文章最后一句话…they pay more attention to “doing” for themselves.
小题4:细节理解题。见第2自然段第2句话Some professors prefer to control discussion…