对于合并二尖瓣狭窄的产妇,剖宫产过程中出现血压下降,首选()。对于无心肺并发症的产妇

题型:配伍题 B1型题

问题:

对于合并二尖瓣狭窄的产妇,剖宫产过程中出现血压下降,首选()。
对于无心肺并发症的产妇,剖宫产过程中出现血压下降,首选()。

A.麻黄碱

B.去甲肾上腺素

C.去氧肾上腺素

D.缩宫素

E.多巴胺

考点:麻醉主治医师妊娠合并内科疾病妊娠合并内科疾病题库
题型:配伍题 B1型题

水滴自屋檐由静止落下,经过高为1.8米的窗口历时0.2秒,若空气阻力不计,屋檐离窗顶多高?(g=10m/s2

题型:配伍题 B1型题

既能清热泻火,生津止渴,又能消肿排脓的药物是()。

A.天花粉

B.白芷

C.麻黄

D.芦根

E.知母

题型:配伍题 B1型题

钙和钠相似,也能形成含O22-离子的过氧化物,下列叙述不正确的是     (   )

A.过氧化钙的化学式是CaO2

B.1 mol过氧化钙或过氯化钠跟足量的水反应都生成1mol氧气

C.O22-离子的电子式为

D.过氧化钙或过氯化钠都是强氧化剂

题型:配伍题 B1型题

阅读理解。

     From the health point of view we are living in an amazing age We are free from many of the most

dangerous diseases. A large number of once deadly illnesses can now be cured by modern medicine.

It is almost certain that one day medicines will be found for the most stubborn remaining diseases.

The expectation of life has increased greatly. But though the possibility of living a long and happy life

is greater than ever before, every day we witness the unbelievable killing of men, women and children

on the roads. Man vs the motor-car! It is a never-ending battle which man is losing. Thousands of

people the world over are killed or horribly killed each year and we are quietly sitting back and letting

it happen.

     It has been rightly said that when a man is sitting behind a steering wheel (方向盘), his car becomes

the extension of his personality. There is no doubt that the motor-car often brings out a man s very

worst qualities. People who are normally quiet and pleasant may become unrecognizable when they are

behind a steering-wheel. They say, they are ill-mannered and aggressive, willful as two-year-olds and

completely selfish. All their hidden angers and disappointments seem to be brought to the surface by the

act of driving.

     The surprising thing is that society smiles so gently on the motorist and seems to forgive his behavior.

Everything is done for his convenience. Cities are allowed to become almost uninhabitable because of

heavy traffic; towns are made ugly by huge car parks; the countryside is ruined by road networks; and

the deaths become nothing more than a number every year, to be easily forgotten.

     It is high time a world rule was created to reduce this senseless waste of human life. With regard to

driving, the laws of some countries are unbelievably lax (不严整) and even the strictest are not strict

enough. A rule which was universally accepted could only have an obviously beneficial effect on the

accident rate. Here are a few examples of some of the things that might be done. The driving test should

be standardized and made far more difficult than it is; all the drivers should be made to take a test every

three years or so; the age at which young people are allowed to drive any vehicle should be raised to at

least 21; all vehicles should be put through strict tests for safety each year. Even the smallest amount of

alcohol in the blood can damage a person's driving ability. Present drinking and driving laws (where they

exist) should be made much stricter. Speed limits should be required on all roads. Governments should

lay down safety specifications for car factories, as has been done in the USA. All advertising stressing

power and performance should be banned. These measures may not sound good enough. But surely

nothing should be considered as too severe if it results in reducing the number of deaths. After all, the

world is for human beings, not motor-cars.

1. What is the main idea of this passage?

A. Traffic accidents are mainly caused by motorists.

B. Thousands of people the world over are killed each year.

C. The laws of some countries about driving are too lax.

D. Only stricter traffic laws can prevent accidents.

2. What does the author think of society toward motorists?

A. Society laughs at the motorists.

B. Huge car parks are built in the cities and towns.

C. Victims of accidents are nothing.

D. Society forgives their rude driving.

3. What does the author mean by saying "his car becomes the extension of his personality" in paragraph 2?

A. Driving can show his hidden qualities.

B. Driving can show the other part of his personality.

C. Driving can bring out his character.

D. Driving can represent his manners.

4. Which of the followings is NOT mentioned as a way against traffic accidents?

A. Build more highways.

B. Stricter driving tests.

C. Test drivers every three years.

D. Raise age limit and lay down safety specifications.

5. The author's attitude towards the traffic situation is _____.

A. positive

B. unsatisfied

C. appealing

D. unclear

题型:配伍题 B1型题

大叶性肺炎发生肺肉质变是因为

A.局部组织缺血
B.机体抵抗力降低
C.纤维蛋白渗出
D.吞噬细胞数量少或功能障碍
E.合并其他细菌感染

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