关于门静脉高压症的病理变化，以下哪项是不正确的（）。

A.肝炎后肝硬化是肝窦和窦后的阻塞

B.血吸虫肝硬化是肝窦前的阻塞

C.肝窦受压阻塞时，肝小叶汇管区的许多动静脉交通支开放

D.脾充血肿大，脾功能亢进

E.门静脉压力升高是造成腹水的主要原因

根据句意和音标提示以适当形式填写单词。答案填写到答题纸指定位置。

小题1:He has done a lot of _____________/ri'sə: tʃ/ on that subject.

小题2:It would be exciting to ___________/dis'kʌvə/ more about the town’s history.

小题3:Gold and silver are both ___________/ 'metl/.

小题4:It’s important for us to have a ___________/.saiən'tifik/ method in studying English.

小题5:This dress is too small for me. Could you please give me a bigger _________/saiz/?

小题6:Children should be taught to __________/ʃeə/their toys with others.