“社会主义市场经济体系”的确立是在 [ ]
A．十一届三中全会上
B．中共“十二大”上
C．中共“十四大”上
D．中共“十五大”上
答案：C
1.They ___ at six o'clock in the evening.[ ]
A. do homeworks
B. do their homework
C. does his homework
D. do their homeworks
一代伟人毛 * * 在《沁园春-雪》中写到：“北国风光，千里冰封，万里雪飘”，雪的形成这种景象的主要物态变化是______．
