病人平卧,下肢抬高,使静脉排空,在大腿根部扎一止血带,压迫大隐静脉,然后病人站立,1

题型:单项选择题 A1/A2型题

问题:

病人平卧,下肢抬高,使静脉排空,在大腿根部扎一止血带,压迫大隐静脉,然后病人站立,10秒内释放止血带,用以观察大隐静脉充盈情况的试验属于()。

A.大隐静脉瓣膜功能试验

B.深静脉通畅试验

C.交通静脉瓣膜功能试验

D.Perthes试验

E.静脉最大流出率测定

考点:中西医结合外科主治医师周围血管疾病周围血管疾病题库
题型:单项选择题 A1/A2型题

阅读理解。

     Edward Estlin Cummings was a poet well-known for how he wrote his poems He wrote his poems with

capital (大写的) letters in the words. For example, the title of one of his poems is "The little horse is newlY"

The"Y" is a capital letter. He also used"i" instead of "I" to refer to himself in the poems.

     Edward was born on October14, 1894 in Cambridge, Massachusetts. Edward's father was also named

Edward. Young Edward's mother was named Rebecca. She loved to spend time with her children. She also

taught Edward Jr how to write poems. Edward's sister was born 1896 and her name was Elizabeth. Edward's

father was the first professor of Sociology at Harvard University. He later became the minister of one of Boston's respected churches. He was the one who taught his son to use his hands as well as his mind. Edward Jr

used his hands to paint abstract art.

      E.E.Cummings was a very smart boy. Edward was 12 when he became a freshman in high school. He

loved circuses, ballets, music and amusement parks.

     Edward graduated from Harvard in 1916. During World War I, he joined the army and was sent to France

where he drove an ambulance. He and his friend from Harvard were arrested because people thought they

were German spies. They were kept in one room where they slept, ate, talked and tried to deal with their fears

and boredom. Edward wrote his first book, published in 1922, called The Enormous Room, based on his

wartime experiences.

     E.E.Cummings was a poet that made his own rules in poetry. He was one of the most popular poets of the

20th century.

1. Which is a special feature of E.E.Cummings' poems?

A. Their titles are all written with capital letters.

B. A special capital letter is used in them to refer to the writer.

C. He used "Y" to refer to"you".

D. He used letters in a special way in them

2. What's the second paragraph mainly about?

A. Edward's schooling

B. Edward's parents

C. Edward's family

D. Edward's childhood.

3. E.E.Cummings was arrested in the war because ______.

A. he went to France without permission

B. he looked like a Frenchman

C. he was thought to be German agent

D. he drove away a car that belonged to the army

题型:单项选择题 A1/A2型题

隔离开关是在高压电气装置中保证工作安全的开关电器。以下对其特点描述正确的是( )。

A.结构复杂

B.没有灭弧装置

C.可以用来接通和断开负荷电流电路

D.无噪声、无污染、寿命长

题型:单项选择题 A1/A2型题

辐照食品可以使用的辐照源有()

A.60Co

B.13C

C.132

D.以上皆是

E.以上皆否

题型:单项选择题 A1/A2型题

选择历年保额损失率时应当注意的问题包括:必须有足够年份的保额损失率、每年的保额损失率必须是基于大量统计资料计算出来的、该组保额损失率必须是比较稳定的、______。

A.至少需要有保险事故发生比较正常的连续十年的保额损失率
B.适当以动态的眼光考虑保额损失率的逐年变化规律
C.必须有足够的保险金准备
D.保险标的必须完整无损

题型:单项选择题 A1/A2型题

双硫腙分光光度法测定空气中汞,在酸性条件下,干扰物主要是(),加入2%的()溶液可以消除干扰。

A.铜,EDTA

B.金属离子,EDTA

C.铜离子,EDTA

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