2024年12月英语六级考试阅读理解模拟题库(1)

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　　2024年12月英语六级考试阅读理解模拟题库(1)

　　We can begi n our discussion of "population as globa l issue" with what most persons mean when they discuss "the po pula tion 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 emplo y the analogy that like ned demographic growth to "a lo ng, thin powder fuse that burns 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 rustory of population trends. Rapid growth is a comparative ly recent phenomenon. Loo 伈 ng back at the 8,000 years of demogrnphic history, we find that populations have been virtually stable or growing ve1-y s lightly for most of human history For most of our anccstors, life was hard , often nas ty, and vcry short. There was h.igh fertility in most places, but thjs was usualJy balanced by high mortality. For most of human rustory, it was seldom the case that one in ten persons would live past forty, while infancy and childhood were especially risky periods . O ften, societies were in clear danger of extinction because dcath rates could excecd their birth.ratcs. T hus, thc population problem th.roughout most of hjstory was how to prcvent ex tinctio n of the human race.

　　This pattern is important to notice. Not only does it put the current problems of demographic growth into a histor ical perspective, but it suggests that the cause of rapid increase in populatio n in recent years is not a sudden enthusiasm for more chlldrc n, but an unpr ovemcn t in thc conditions that traditionall y havc caused hig h mortality.

　　Demog raphic history can be divided into two major pe riods: a time of lo ng, slo w growth which extended from about 8,000 BC.till approximately AD. 1650. In the first period of some 9600 years, the population increa 沁 ed from so me 8 million to 500 血IJio n i n 1650 . Betwccn 1650 and thc presc nt, thc popul ation has i ncrcased from 500 而llion to more than 4 billion. And it is

　　estimated that by the ycar 2000 thcrc will be 6.2 bill.ion people throug hou t thc world. O ne way to appreciatc this dramatic differencc in suc h abstract numbers is to reduce the time frame to something that is more manageable. Between 8000BC and 1650, an average of only 50,000 perso ns was being added annually to the world's population each year. At prese nt, this number is added every six hours The inc reasc is about 80,000,000 persons annualJy

　　I.Which of the following demogi·aphic growth pallem is most suitable for the long thin powder fuse analogy?

　　A.A virtually stable or slightly decreasing period and the n a s udd en explosio n of population

　　B.A slow growth for a lo ng time and then a period of rapid, dramatic increase.

　　C.Too many people on earth and a few rapid increase in the number added each year.

　　D.A long period when death rates exceeds birthrates and then a short period with higher fort山ty and lower mortal叨

　　2. Dming the first p, e i od of demographic histo1y, soc ieties were often in danger of extinctio n bccause _ .

　　A. only one in ten persons could live past 40.

　　B. there was higher mortality than fertility in most places.

　　C. it was too dangerous to have babies due to the poor conditions.

　　D. our ancestors had little e nthusias m for more children.

　　3. Whjch statement is true about population increase?

　　A.There might be an increase of 2.2 billion persons from now to the year 2000.

　　B.Aboul 50,000 babies are born every six hours al present

　　C.Between 8000 BC and the present, the population increase is about 80,000,000 persons each year.

　　D.The population increased faster between 8000BC and I650 than be tween I650 and the present.

　　2. The author of the passage intends to— ·

　　A. warn people against the population explosion in the near future.

　　B. comparc the demographic growth pattern iJ1 the past with that after 1650.

　　C. find o ut the cause for rapid increase in population in rece nt years.

　　D. present us a clear and complete picture of the demogi·aphic growth.

　　3. The word "demogi·aphic" in the first paragraph means— ·

　　A. statistics of human.

　　B.surroundings study

　　C.accumulation of human.

　　D.development of human.

　　答案： ABADA

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