患者男性,47岁,无症状。心电图如图5-20所示,应诊断为()。 A.右心室肥厚 B

题型:单项选择题

问题:

患者男性,47岁,无症状。心电图如图5-20所示,应诊断为()。

A.右心室肥厚

B.预激综合征

C.完全性右束支阻滞

D.完全性左束支阻滞

E.后壁心肌梗死

考点:呼吸内科学(医学高级)诊断学基础诊断学基础题库
题型:单项选择题

阅读理解。

     Computers are very important to modern (现代的) life. Many people think that in the future computers will

be used in lots of everyday life. It is thought that we won't have to go shopping because we will be albe to get

most things which are sold in shops on the internet. There will be no more books because we will be able to

get all texts from computers. The internet will be used to play games, see films and buy food. Most telephone

calls will be made by computers.

     Some people are glad about these new ways of shopping and communicating (交流). Others do not think

that computers will replace (取代) our old ways.

     Let's look at books, for example. Some people think that one day we will not read books made of paper.

Instead, we will buy and read books using computers. We will read texts on small pocket computers. The

computers will keep many different books in them at the same time. We won't need to turn lots of pages and

paper will be saved, Computerized (计算机化的) books will be used more and more.

      Is internet shopping such a pleasure as going to the shop? Many people say it is not. It is a pleasure to go

into shops and look at things you want to buy. Also probably people won't like to read large texts on our

computers. Because paper books seem to be more frinendly. Maybe computers won't change these two habits(习惯).

1. In the first paragraph it is thought people will use computers to _____.

A. play games, see fimls and have meals

B. play games, go shopping and make telephone calls

C. see films, buy food and see the doctor

D. make telephone calls, play games and do housework

2. Which reason for using computerized books is NOT said in the passage?

A. Computerized books won't be very expensive.

B. Texts can be read on small computers.

C. We won't turn so many pages.

D. We won't use so much paper.

3. The underlined sentence in the last paragraph means _____.

A. paper books regard people as friends

B. paper books are very kind to people

C. people like to read paper books

D. people don't really like to read paper books

4. The last paragraph tells us _____.

A. internet shopping is a great pleasure

B. people will like to read texts on computers

C. whether the computers will change these two habits

D. how people will use computers in thf future

5. The best title of this passage could be _____.

A. Computers Will Replace Shops and Books

B. Computers Will Do Everything for Man

C. Computers Are the Future

D. How Computers Change Our Habits

题型:单项选择题

大豆的现货价格为5100元/吨,无风险利率为4%,仓储费为0.6元/吨天,则3月17日买入的3个月后交割的理论期货价格为()元/吨。

A.5 151

B.5 206.2

C.5 154.6

D.5 103.6

题型:单项选择题

系统性硬化病的特征性表现除外()

A.手指皮肤病变

B.雷诺现象

C.肾危象

D.关节痛/关节炎

E.肺动脉高压

题型:单项选择题

中长跑冲刺动作要领与短跑冲刺动作要领大致相同。

题型:单项选择题

在一定温度下,一个基元反应的速率常数是()。

A.反应物或产物的浓度为单位浓度时的反应速率

B.所有反应物的浓度都是单位浓度时的反应速率

C.上面两个定义是一致的

D.反应速率是随反应物浓度增加而线性增加的比例常数

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