下列哪些关于慢性主动脉瓣关闭不全的描述是正确的（） A.突然的

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问题多项选择题

下列哪些关于慢性主动脉瓣关闭不全的描述是正确的（）

A.突然的容量负荷施加于正常顺应性的心肌组织

B.增加左室的舒张末期容积来增加心排量作为主要的代偿机制

C.向心性的肥厚作为代偿机制

D.左室的做功明显增加

E.左室舒张末压力和容量都升高

答案

参考答案：B, D, E

阅读理解

Read and judge.（阅读短文，判断正“T” 误“F”。）

Hello! My name's Liu Mei. I'm studying in a school in Beijing. We have many classes, but English

and music are my favourite classes. On Monday and Wednesday we have English classes. On Tuesday

and Thursday We have music classes. On Saturday moming I go to the library with my good friend, Lily.

Lily is from America. She is now in our class. On Sundays I watch TV and help my mom at home.

( )1. Liu Mei is from America.

( )2. Liu Mei has English classes on Monday and Wednesday.

( )3. Liu Mei goes to the library with her parents.

( )4. Lily is an American girl.

( )5. Liu Mei goes swimming on Sundays.

单项选择题

具有破血逐瘀、续筋接骨功效的药物是（）

A.红花

B.乳香

C.三棱

D.土鳖虫

E.鸡血藤