问题 单项选择题 B1型题

二尖瓣腱索断裂()。

A.左室充盈障碍

B.左室后负荷突然增加

C.左室舒张期过短

D.左室排血量急剧下降

E.左室舒张期前负荷突然增加指出下列疾病的发生机制

答案

参考答案:E

阅读理解

阅读理解。

     It is the first day of October today. It is my grandmother's birthday. Father, mother, sister and  I go to

 see her.

     First we go to a supermarket to buy some presents for my grandmother. My father buys a big cake (蛋

 糕). My mother buys a red sweater. My sister buys a green T-shirt.I buy a black hat for my grandmother.

 We go to my grandmother's home in my father's car. We get there at around nine o'clock. My

 grandmother is very happy to see us. We give these presents to her and say to her, "Happy birthday to

 you!,'My grandmother is very glad (高兴的).Then my sister and I sit down and play games with my

 grandmother. After dinner we say goodbye to her and go back (回) home. We are very happy today.

1.  My grandmother's birthday is _____.

    A. October thirty-first    

    B. October first

    C. October second    

    D. October third

2. My mother buys-for my grandmother.

    A.  a black hat    

    B.  a big cake    

    C.  a blue sweater    

    D.  a red sweater

3. We go _____ to buy some presents.

    A.  a clothes store    

    B.  a supermarket    

    C.  afruit shop    

    D.  a book store

4.  My grandmother is very _____ to see us.

    A. old    

    B. unhappy (不高兴)

    C. happy    

    D. boring

5. My sister and I play games with my _____.

    A. mother    

    B. uncle    

    C. grandmother    

    D. father

单项选择题