问题 单项选择题

男,68岁。因粘连性肠梗阻24小时行剖腹探查术,术中发现肠系膜与腹壁之间形成粘连带压迫肠管,松解粘连带后见肠管血运良好,关腹。术后6小时发生休克,腹部检查无明显压痛部位,最可能的原因是()

A.感染性休克

B.中毒性休克

C.失血性休克

D.术后再次粘连梗阻

E.肠坏死

答案

参考答案:B

解析:粘连带压迫肠管,压迫系膜血管,一旦解除梗阻后,感染性肠液中的毒素经肠道吸收,迅速引起中毒性休克。

阅读理解

阅读理解。

     Being outgoing is good for your life.  rl'hose who are more outgoing like to meet lots of people and have more fun in life. In fact, being outgoing is not so hard as you think. Even shy people can be outgoing.

     You can start becoming outgoing with your best friend or a group of

friends.  But the real challenge comes when you meet strangers or new

friends. Smile more, and usually they will return your smile.  In this way, you may have some talks.

     Start a talk. Just a simple "Hello!" or "How is it going?" is a good start. If you want to make interesting talks, you should read news in newspapers and prepare your views, or surf the Internet for new information and then keep

that in mind.

     The easiest way to become more outgoing is to go out. This is also the

most important step. Go to a park, beach, club, party or any other place that

you think can be fun, and you may make new friends there.    

1. You should start to bP outgoing with____.

A. your parents    

B.your teachers    

C.your best friends  

D.your new friends

2. When you start a talk with a stranger, you should say "_         "

A. What's the matter?                        

B. What's your name?

C. How is it going?                          

D. Are you healthy?

3. The easiest way to be outgoing is -

A. talking      

B. smiling        

C. playing        

D. going out

4. Making new friends can make us ____________

A. more outgoing .    

B. healthier  

C. more athletic      

D. wilder

5. Which is NOT the writer's view?

A. Being outgoing is really difficult.

B. Being outgoing is good for our lives.

C. Being outgoing helps people have more fun.

D. Being outgoing with strangers is not easy.

解答题