He didn't go home _______ he finished his homework. [ ]
A. when
B. if
C. until
D. that
答案:C
何谓两段重整?举例说明它的优点。
车尔尼雪夫斯基针对黑格尔的“美是理念的感性显现”的客观唯心主义美学观,提出了()的著名论断。