决定房地产需求量的一般因素有()。
A.房地产的价格水平
B.消费者的收入水平
C.消费者的偏好
D.相关物品的价格水平
E.房地产开发商对未来的预期
参考答案:A, B, C, E
_____ Mom had asked Jack to close the window before he went out,______ he forgot to do it.
A.Though; /
B.Though; but
C.Till; /
D.Until; then
简述米芾的学书过程。