慢性心力衰竭产生水肿的机理是（）。 A.钠、水潴留 B.静脉压及毛细血管内压增高 C

根据语境，用恰当的语言完成对话。

A: Hello, Ken. How was your summer holiday?

B: Too terrible. 

A: 小题1:_____________________________?

B: I planned to go to Guilin for my holiday. But it rained heavily there, so I had to stay at home.

A: 小题2:           ! Then what did you do at home?

B: I just did my homework every day. It was very boring. 小题3:___ _______________, Alice?

A: I went to Qingdao with my parents. 

B: That sounds good. 小题4:__________________________________?

A: It was hot and humid but sometimes it was cool.

B: 小题5:_______________________________？

A: Yes, we had great fun.

社会监督是一种( )。

A．国家性质的监督
B．非国家性质的监督
C．法律性质的监督
D．社会性质的监督

办税服务厅应当设置（）等。

A.纳税人休息室

B.举报箱

C.公告栏

D.表证单书填写样本

肺功能示：1秒钟用力呼气容积占用力肺活量比值<60%，最大通气量低于预计值的80%；残气容积增加，残气容积占肺总量的百分比>40%

临床上以哪种表现最可能（）

A.咳嗽、咳痰、时有气喘

B.心悸、胸闷

C.咳嗽、咳泡沫血痰

D.逐渐加重的呼吸困难

E.呼吸困难伴腹胀

土坝渗流观测方法有哪三种？