内陷证与脉象间有对应关系的是（）
A.火陷
B.干陷
C.虚陷
D.洪数
E.细数
参考答案：C, E
______ people went to the concert that was held in Reming Square _____ the night of May 25.
A．Two thousands, on
B．Many thousand, in
C．Thousands of, on
D．Several thousands of, in
房地产经纪合同是双务合同，双方当事人存在着（）关系。
A.互为对价
B.互为等价
C.权利相对
D.义务相对
