抢救大咯血窒息患者时最紧急的措施是A.进行人工呼吸B.解除呼吸道梗阻,保持气道通畅C

题型:单项选择题

问题:

抢救大咯血窒息患者时最紧急的措施是

A.进行人工呼吸
B.解除呼吸道梗阻,保持气道通畅
C.静脉注射呼吸中枢兴奋剂
D.高浓度氧疗

考点:普通考研西医综合西医综合
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食管的癌前病变是()

A.食管炎

B.食管憩室

C.食管狭窄

D.Barrett食管

E.贲门失弛

题型:单项选择题

假如小明能穿越时空隧道来到唐朝,他不可能经历的事情是

A.在赵州桥上散步

B.读李白的《蜀道难》

C.跟颜真卿学习书法

D.跟岳飞一起出征

题型:单项选择题

在SQL语句中,与表达式"年龄BETWEEN、12 AND 46"功能相同的表达式是【 】。

A.年龄>=12 OR<=46

B.年龄>=12 AND<=46

C.年龄>=1 2 OR年龄<=46

D.年龄>=12 AND年龄<=46

题型:单项选择题

Part 1


·Read the article below and choose the best sentence from the list on the next page to fill each of the gaps.
·For each gap (1-8) mark one letter (A-H) on the Answer Sheet.
·Do not mark any letter twice.

Noise


Do you think there is too much noise in our city If you live near the airport, you’ll be unhappy only because a jet plane flying in the sky makes loud noise. The sound of planes or heavy vehicles is likely to cause deafness if heard continuously.
(1) They like to enjoy music when they are doing dull jobs. It is a new danger because "pop" music, when played through powerful amplifiers, can reach 120 decibels at a distance of 5 feet. (2) Recently it was discovered that many teenagers hear no better than people as old as 65. (3) For example, when newspapers and books are being printed, the noise level is about 85 decibels, and some of the workers will eventually become deaf. Scientists believe that 10 percent of all workers in Britain are being deafened by the noise in the factories.
(4) We all know that too much noise makes life difficult and unpleasant. (5) Workers in noisy offices are not as efficient as those in quiet offices. Noise makes people less efficient. (6)
In Britain the government has recently made several laws to reduce noise. (7) However, many people think that there are still not enough laws. For example, there are no laws to control noise by machines. In Japan, America and Norway there are such laws. (8)
Scientists in our country are trying their best to find out one way or another to keep down noise.
  • A. Moreover, noise of less than 85 decibels can make some people tired and anxious.
  • B. However, most people in our city do not seem to mind noise.
  • C. Moreover, the government has spent a good deal of money in making airports and main roads quieter.
  • D. It can damage health and prevent people from working well.
  • E. Can anything be done to reduce or control noise
  • F. It is known that a continuous noise of over 85 decibels can cause deafness.
  • G. We used to think that only those who work in very noisy places became deaf.
  • H. As a result, workers can claim compensation if they become dea


题型:单项选择题

毒性反应()

A.与药物剂量无关

B.与药物的使用时间无关

C.常造成机体的生理性损害

D.大多为难以预知的反应

E.有时也与机体高敏性有关

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