Supporters of daylight savings have long considered daylight saving ti-考呗网

英语六级

单选题Supporters of daylight savings have long considered daylight saving time does good to people's health.

题干意为，夏令时的支持者长期以来认为夏令时对人们的健康有好处。注意抓住题干中的关键词supporters of daylight savings和does good to people’s health。文章段落中，提及夏令时支持者以及夏令时与人类健康的关系的内容在H段出现，该段第一句提到，几十年来，夏令时的倡导者一直宣称，不管夏令时能否节约能源，它都有利于健康，因为它倡导的是积极的生活方式。由此可知，题干是对原文的同义转述，故答案为H。

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3Questions are based on the following passage.
We can begin our discussion of "population as a global issue" with what most persons mean when they discuss "the population problem": too many people on earth and a too rapid increase in the number added each year. The facts are not in dispute. It was quite right to employ the analogy that likened demographic (人口统计学的 .growth to "a long, thin power fuse that bums steadily and haltingly until it finally reaches the charge, and explodes".
To understand the current situation, which is characterized by rapid increases in population, it is necessary to understand the history of population trends. Rapid growth is a comparatively recent phenomenon. Looking back at the 8,000 years of demographic history, we find that populations have been virtually stable or growing very slightly for most of human history. For most of our ancestors, life was hard, often nasty, and very short. There was high fertility in most places, but this was usually balanced by high mortality. For most of human history, it was seldom the case that one in ten persons would live past forty, where infancy and childhood were especially risky periods.Often, societies were in clear danger of extinction because death rates could exceed their birth rates. Thus, the population problem throughout most of history was how to prevent extinction of the human race.
This pattern is important to know. Not only does it put the current problems of demographic growth into a historical perspective, but it suggests that the cause of rapid increase in population in recent years is not a sudden enthusiasm for more children, but an improvement in the conditions that traditionally have caused high mortality.
Demographic history can be divided into two major periods: a time of long, slow growth which extended from about 8000 B.C. till approximately 1650 A.D. and a period of rapid, dramatic growth since 1650. In the first period of some 9,600 years, the population increased from some 8 million to 500 million in 1650. Between 1650 and the present, the population has increased from 500 million to more than 4 billion. And it is estimated that by the year 2020 there will be 8 billion people throughout the world. One way to appreciate this dramatic difference in such abstract numbers is to reduce the time frame to something that is more manageable. Between 8000 B.C. and 1650,an average of only 50,000 persons was being added annually to the world's population each year. At present, this number is added every six hours. The increase is about 80,000,000 persons annually.
According to the passage, "population as a global issue"

A．is quite unlike the population problem and thus doesn't need our concern
B．focuses on tracking down the reason of rapid population growth
C．deals with the same problem aroused by the population problem
D．will manage the population growth problem from global perspectives

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