内燃机排量是什么？
参考答案：
内燃机排量是活塞由上止点运行至下止点或由下止点运行至上止点所走过的气缸容积，若内燃机属多缸机，内燃机排量为各缸排量之和。
犀角地黄汤主治的病证是（）
A.湿热黄疸
B.温热病之血分证
C.肠黄
D.阳明经证
E.热毒血痢
--- What do you think of the speech given by the CEO from Hong Kong?
--- Excellent, I have never heard ______________ one before.
A．a more interesting
B．the most interesting
C．a more interested
D．the most interested
