左翼文学的目的是：（）
A、自我完善
B、把现存社会改造推翻，夺取 * *
C、维护专制
D、以上说法都正确
参考答案：B
Only when we saw the photos about the air crash ________ how terrible it was. [ ]
A. had we known
B. we had known
C. did we know
D. we knew
“我们都是中国人。三十六计，和为上计。”此话出自哪位伟人之口[ ]
A．毛 * *
B．邓 * *
C．江 * *
D．胡 * *
