Read the match.

            A

(     )1. What day is today?

(     )2. Can you use a computer?

(     )3. Whose gloves are they?

(     )4. What can you do ?

(     )5. Are these socks yours?

(     )6. When do you have Art ? 

           B

A. I can play cards.     

B. Yes . they are mine. 

C. Yes . I can.       

D. On Tuesday and Friday. 

E. It's Saturday.     

F. It's my aunt's.

某男，32岁。双下肢挤压伤，神志尚清楚，表情淡漠，明显口渴，面色苍白，皮肤湿冷，脉搏112次／分，血压90/60mmHg（12/8kPa），中心静脉压4cmH2O（0.398kPa），毛细血管充盈迟缓。血pH为7.32。

其循环系统的病理生理改变是（）

A.心功能不全

B.血容量相对过多

C.血容量严重不足

D.容量血管过度收缩

E.以上都不是