戴高乐主义

题型:名词解释

问题:

戴高乐主义

考点:当代世界政治与经济当代世界政治与经济题库
题型:名词解释

对新生儿、婴幼儿呼吸中枢的抑制作用特别明显的药物是

A.吗啡类
B.氨基苷类
C.青霉素类
D.喹诺酮类
E.大环内酯类

题型:名词解释

白细胞计数一日最高值与最低值可差_________。

题型:名词解释

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:名词解释

铬元素符号为(),它的()在金属中最高,熔点为()℃。

题型:名词解释

何谓对抗同贮?

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