1905年至1907年资产阶级革命派与改良派进行论战的意义及革命派的局限性。
参考答案：
— ______?
— If I have time. [ ]
A. Did you come
B. Are you coming
C. Have you come
D. Are you going to come
构造应力场总的规律是以垂直应力为主。
