经水传播的传染病包括:()。
A.伤寒
B.霍乱
C.虫吸虫
D.以上都包括
参考答案:D
香港与下列哪个城市毗邻( )
A.深圳
B.广州
C.澳门
D.台北
Which of the following statements concerning liver sinusoids is TRUE
A. They are continuous with bile canaliculi
B.They are surrounded by a well developed basal lamina
C.They are lined by nonfenestrated endothelial cells
D.They deliver blood to the central vein
E.They deliver blood to portal vein