房地产开发经营业具有（）等特点。
A.单件性
B.收入连续性高
C.周期长
D.回收率高
E.附加值高
参考答案：A, C, E
______ the fact that the old cars could not go as fast as modern ones, people still watched the race with a great deal of pleasure and excitement.
A．Despite
B．Thanks to
C．As far as
D．Although
目前常用白酒炮制的药物是（）。
