患者安于已适应的角色，小病大养，该出院而不愿意出院，此时患者的状态被称为角色行为（）

阅读小天地：读一读，选一选。

      I have a good friend. Her Chinese name is Meimei. Her English name is Helen. She is from America. She is

eleven. She is a nice girl. She has a brother. His name is David. Her father is a teacher. Her mother is a doctor.

They work in China now. Helen and David are pupils (小学生). They love their father and mother very much.

Their family is a happy family.

1. Meimei is ____________.

A. my sister

B. my friend

C. my teacher

2. Helen is from ____________.

A. America

B. England

C. China

3. Who is a teacher?

A. Helen's mother.

B. Helen's father.

C. Helen's brother.

4. Helen is ____________.

A. eleven

B. twelve

C. ten

5. Helen's mother is a ____________.

A. teacher

B. doctor

C. pupil

某音乐厅有座位26排，每排32个座位，现举办周杰伦音乐会，每张票25元．

（1）已售出总票数的一半，收款多少元？

（2）剩余的票每张降价2元出售．可以收款多少元？

心交感神经兴奋后，可引起

A．心率减慢、心内传导加快、心肌收缩力减弱

B．心率加快、心内传导加快、心肌收缩力减弱

C．心率减慢、心内传导减慢、心肌收缩力增强

D．心率加快、心内传导加快、心肌收缩力增强

颅内手术后，剧烈转动头部可引起的并发症是（）。

A.脑栓塞

B.脑疝

C.休克

D.脑干损伤

E.脑出血

流体的压缩性是指在一定温度下，流体体积随（）增加而缩小的性质。对于不可压缩流体（如液体），可膨胀性系数ε等于（）；。对于可压缩流体（如气体或水蒸汽），则可膨胀性系数ε（）。