我国第三大淡水湖是[ ]
A．鄱阳湖
B．太湖
C．洪泽湖
D．巢湖
答案：B
目前解释肝性脑病发生机制的主要学说有（）、（）、（）、（）。
She told her neighbour that he () the well known scientist if he had attended the lecture.
A．could meet
B．might have met
C．might meet
D．would meet
