下列引起右室压力负荷过重的是() A.三尖瓣关闭不全 B.肺动脉瓣关闭不全 C.静脉

题型:单项选择题 A1/A2型题

问题:

下列引起右室压力负荷过重的是()

A.三尖瓣关闭不全

B.肺动脉瓣关闭不全

C.静脉回流量增高

D.肺动脉高压

E.严重贫血

考点:心血管内科相关专业知识心血管内科心血管内科题库
题型:单项选择题 A1/A2型题

本杂志力求为 (79) 读者营造无障碍的阅读环境。在此 (80) 上,强调故事语言的生动和灵气,让读者既能记住情节,又能体味文字的 (81) ,在轻松阅读中,提高表达、 (82) 和处事的能力。

A.实力
B.力量
C.魅力
D.势力

题型:单项选择题 A1/A2型题

阅读理解。

     On October 19, 1959, the first Special English program was broadcast on the Voice of America. It was

an experiment. The goal was to communicate by radio in clear and simple English with people whose native

language was not English. Experts said the goal was admirable (令人敬畏的), but the method would not

work. They were proved wrong. The Special English programs quickly became some of the most popular

on VOA. And they still are.

     Forty years later, Special English continues to communicate with people who are not fluent in English.

But during the years its role has expanded. It also helps people learn American English. And it provides

listeners, even those who are native English speakers, with information they cannot find elsewhere.

     Today, Special English broadcasts around the world seven days a week, five times a day. Each half-hour

broadcast begins with 10 minutes of the latest news followed by 20 minutes of feature programming. There

is a different short feature every weekday about science, development, agriculture and environment, and on

the weekend, about news events and American idioms.

     Three elements make Special English unique. It has a limited vocabulary of 1,500 words. Most are simple

words that describe objects, actions or emotions. Special English is written in short, simple sentences that

contain only one idea. And Special English is spoken at a slower pace, about two-thirds the speed of Standard

English. This helps people learning English hear each word clearly. It also helps people who are English

speakers understand complex subjects.

     Through the years, Special English has become a very popular tool for teaching English, even though it

was not designed as a teaching program. It succeeds in helping people learn English in a non-traditional way.

In countries around the world, English teachers assign Special English to their students. They praise it for

improving their students' ability to understand American English and for the content of the programs.

Universities and private companies in many countries produce packages of Special English materials for

students' use.

1. At the beginning, Special English program was _____.

A. well received

B. rejected by native people

C. doubted by some professionals

D. intended for teaching English

2. Which of the following are the elements that make Special English unique?

    a. limited vocabulary

    b. short simple sentences

    c. good communication method

    d. slow speed

    e. interesting feature programming

A. a, b, e

B. a, c, d

C. a, b, d

D. b, d, e

3. Which of the following statements is TRUE?

A. Special English has been founded for less than 50 years.

B. Native English speakers don't go in for Special English much.

C. Special English usually starts with 20 minutes of the latest news.

D. People can learn some idioms from Special English.

4. From the last paragraph we can infer that _____.

A. Listening to Special English can be a student's homework

B. Listening to Special English can improve the content of the program

C. Some students record the Special English material for sale

D. Learning English from VOA is a traditional way for English learners

题型:单项选择题 A1/A2型题

肱二头肌除了有屈肘功能外,对以下哪项关节活动尚有一定作用:()

A.肩肱关节的前屈

B.肩肱关节的外旋

C.肘关节的后伸

D.肩肱关节的后伸

E.肩肱关节的外展

题型:单项选择题 A1/A2型题

会计的基本职能是会计核算与会计()。

A.分析

B.管理

C.监督

D.控制

题型:单项选择题 A1/A2型题

______选择了你的人生道路,你______该勇敢地走下去。

A.因为……所以……

B.既然……就……

C.尽管……还是……

D.不管……都……

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