重联阀的组成部分有哪些？

汉密尔顿认为，强而有力的行政组织应包含的因素有（ ）

A．统一

B．稳定

C．议行合一

D．充分的法律支持

E．足够的权力

阅读理解

       Tomorrow is Saturday. I'm not going to work, and my brother isn't going to school. We are going to

play table tennis. We are going to have lunch in a restaurant. We're coming home at five. My parents are

going to visit my grandparents. They are going to get home at half past five. We are going to help my

mother cook the dinner. After supper, I am going to dance with my friends, and my brother is going to

watch TV with my parents.

1. What day is it today? 

A. Saturday.        

B. Sunday.          

C. Friday.        

D.Monday.

2. My brother is a        .  

A. student          

B. teacher          

C. worker        

D.manager

3. My brother and I are going to       tomorrow.  

A. have a picnic    

B. visit our friends  

C. go fishing      

D. play table tennis

4. My parents are going to come back        .  

A. at 7:30          

B. at 5:30          

C. at 6:30          

D.at 7:00

5. I'm going to dance       .

A. after breakfast    

B. with my friends  

C. in the morning    

D.with my patents

女性，71岁，咳嗽、咳痰30年，喘息10年，加重1周，2天来嗜睡。查体：球结膜水肿，口唇发绀。BP170／90mmHg，R28次／分，P90次／分，双肺干湿性啰音，双下肢凹陷性水肿．

如行超声心动图检查，下面情况最有可能的是（）

A.左心房扩大

B.右心室、右心房扩大

C.左心室扩大，节段性运动不良

D.右心室扩大，估测肺动脉压18／6mmHg

E.右心室正常，肺动脉主干扩张

接上题，小李的平均税率为（ ）。

A．10.31%

B．12.45%

C．13.75%

D．15.12%

截词检索中，常用的截词符号有（）

A、+

B、-

C、*

D、？