问题 单项选择题

患者,男性,70岁。突发胸骨后持续疼痛,经休息或含服硝酸甘油无效,心电图示急性前壁心肌梗死,二度房室传导阻滞。除立即给予止痛外,应迅速给予

A.利多卡因静脉给药
B.阿托品皮下注射
C.呋塞米静脉注射
D.地高辛口服
E.维拉帕米口服

答案

参考答案:B

解析: 房室传导阻滞应给予阿托品或异丙肾上腺素,室性心律失常应给予利多卡因。

阅读理解

Perhaps you have heard a lot about the Internet, but what is it, do you know? The Internet is a network. It uses the telephone to join millions of computers together around the world.

Maybe that doesn’t sound very interesting. But when you’ve joined to the Internet, there are lots and lots of things you can do. You can do with all kinds of information on the World Wide Web (WWW). You can use QQ to chat with your friends, and they will make responses in a few seconds. You can send E-mails to your friends, and they can get them in a few seconds. You can also go shopping by the Internet without going out.

There are many different kinds of computers now. They all can be joined to the Internet. Most of them are small machines sitting on people’s desks at home, but there are still many others in schools, offices or large companies. These computers are owned by people and companies, but no one really owns the Internet itself.

There are lots of places for you to go into the Internet. For example, your school may have the Internet. You can use it during lessons or free time. Libraries often have computers joined to the Internet. You are welcome to use it at your spare time.

Thanks to the Internet, the world is becoming smaller and smaller. It is possible for you to work at home with a computer in front, getting and sending the information you need. It is also possible for you to discuss some projects or assign the work on the Internet instead of at a meeting. In addition, you can buy or sell whatever you want by the Internet. But do you know 98% of the information on the Internet is in English? So what will English be like tomorrow?

小题1:What is the passage mainly about?

A.Internet.

B.Information.

C.Computers.

D.E-mails.小题2:What’s the main idea of the second paragraph?

A.Doing with information on the Internet.

B.Using the Internet to communicate with friends.

C.Going shopping by the Internet.

D.Things we can do by the Internet.小题3:Who is the owner of the Internet?

A.The headmaster.

B.The officer.

C.The manager.

D.No one.小题4:Which may be the most possible place for people to work in the future?

A.In the office.

B.At school.

C.At home.

D.In the company.小题5:What does the writer try to tell us with the last two sentences?

A.English is important in using the Internet.

B.The Internet is more and more popular.

C.Most of the information is in English.

D.Every computer must have the Internet.

单项选择题