外感所致水肿：
A．心、脾、肾B．肝、肺、肾C．肺、肝、脾D．肺、脾、肾E．肝、脾、肾
参考答案：A
A library with five thousnd books ____ to the nation as a gift. [ ]
A. is offered
B. have offered
C. are offered
D. has offered
寒邪易致疼痛，系因（）（）所致。
