问题 单项选择题

维生素D缺乏性手足搐搦症的隐性体征是()

A.喉痉挛

B.Kemlg(克氏)征阳性

C.Brudzinskin(布氏)征阳性

D.Trousseau(陶瑟)征阳性

E.Barbin

答案

参考答案:D

解析:隐性体征:不发作时可引发以下神经肌肉兴奋的体征:①面神经征:以指尖或叩诊锤轻叩颧弓与口角间的面颊部,出现眼睑及口角抽动为阳性,新生儿可呈假阳性;②腓反射:以叩诊锤击膝下外侧腓骨小头处的腓神经,引起足向外侧收缩者为阳性;③陶瑟征(Trousseau征):以血压计袖带包裹上臂,使血压维持在收缩压与舒张压之间,5分钟内该手出现痉挛为阳性。ski(巴氏)征阳性。

阅读理解

阅读理解。

     The police do marry things for us. They help keep us and our things safe. They help keep cars  moving safely. They take care of people who are hurt.

     The police go around town to see that everything is all right. They get around town in many ways. Some of them walk or go by car. In some big cities! Some of the police ride on horses. It is strange to see these animals in the street.

     As they go around town,the police help people.Sometimes they find lost children.They take the children home. If the police see a fight, they put an end to it right away. Sometimes people will ask the police how

to get to a p/ace in town. The police can always tell the people which way Lo go. They know all the streets and roads well.

     Some police stand at crossings. They tell the cars when to go and when to stop. They make sure that

the cars do not go too fast. They help children cross the street. They also help people who can't walk well.

    Without the police, our streets would not be safe. Cars might go too fast and hurt people. Lost people might never be found. The police do a good job. We need them. And we should thank them for a job well done.

1. The police do many things for us. They help keep our things and us______.

A. warm  

B. clean  

C. quiet  

D. safe

2. How do some of the police get around in some big cities?

A. By taxi.          

B. On horses.

C. By bus.          

D. On bikes.

3. In the text, “put an end to" means______.

A. stop  

B. cut  

C. kill  

D. fly

4. The text is mainly talking about the ______of the police.

A. life  

B. road  

C. job  

D. day

单项选择题