肝颈脉回流征阳性最常见于：
A．右心室肥大
B．肺气肿
C．右心衰竭
D．肝硬化
E．左心衰竭
参考答案：C
I'd like to give you _______, Would you____? [ ]
A. some advice; receive it
B. some advices; accept them
C. a piece of advice; take it
D. an advice; accept it
以下哪种医学昆虫可传播阿米巴原虫
A．苍蝇、蟑螂
B．淡色库蚊
C．白蛉
D．微小按蚊
E．中华按蚊
