成功的房地产产品生命周期一般分为（）。
A.引入期
B.成长期
C.完善期
D.成熟期
E.衰退期
参考答案：A, B, D, E
某砖混结构住宅建筑面积为5900平方米，其工程结构特征与在同一地区的概算指标（见下表）内 * * 本相同。试根据概算指标，编制土建工程概算。
In his speech at the conference, the Chairman solemnly stated that the responsibility to our lives and the kind of world in that we live is ours andours alone.
A．for ... in which
B．off... for which
C．of... in which
D．for... on which
