右心功能不全患者的表现有（）
A.食欲不振、恶心、呕吐
B.少尿
C.水肿
D.肝区胀痛
E.晕厥
参考答案：A, B, C, D
To solve the traffic problem, more and more bridges ____________ across the river every year.
A．were built
B．will build
C．are built
D．are building
已办理挂失的银行汇票是否可以解挂？
