房地产经纪信息共享，既可以提高企业内部办公与信息交流效率，同时为（）提供基础。
A.协同办公
B.信息汇总
C.协同管理
D.信息传递
参考答案：A
—— What do you think of this kind of TV set,which ＿＿＿＿＿＿ in Shanghai?
—— Well, I don’ t care such things.
A．was made
B．is made
C．has been made
D．had been made
新换钢梁或加固杆件的组拼，板层用螺栓均匀拧紧，板层密贴，缝隙用0.3mm插片探入深度不大于（）mm。
A.20
B.15
C.10
D.12
