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1、2022年考博英语-东北师范大学考前模拟强化练习题（附答案详解）1. 单选题Im sorry （ ）so long. I forgot to tell you in advance where I had been.问题1选项A.to keep you waitB.to keep you waitingC.to keep you waitedD.to have kept you waiting【答案】D【解析】句意我抱歉让你等了这么久。我忘记提前告诉你我在哪里了。语法题。考查完成时态。由句中关键词“I forgot to tell you in advance where I had been
2、我忘记提前告诉你我在哪里了”可知“你等了这么久”这个事情发生在过去的过去，故这里应该用完成时态，由此知D项“to have kept you waiting”正确。2. 单选题She did her work （ ）her manager had instructed.问题1选项A.untilB.whenC.asD.though【答案】C【解析】句意: 她照经理说的做自己的工作。连词辨析。As按照，如同, 引导方式状语,符合句意。until 直到, 引导时间状语从句; when 当时候, 引导时间状语从句; though 即使, 引导让步状语从句。3. 单选题We can begin our
3、discussion of “population as 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 growth t
4、o a long, thin powder 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
5、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
6、was usually balanced by high mortality. For most of human history, it was seldom the case that one in ten persons would live past fort, while infancy and childhood were especially risky periods. Often, societies were in clear danger of extinction because death rates could exceed their birthrates. Th
7、us, the population problem throughout most of history was how to prevent extinction of the human race.This pattern is important to notice. Not only does it put the current problems of demographic growth into a historical perspective, but it suggest that the cause of rapid increase in population in r
8、ecent 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 8,000 BC. till approximate AD 1650. In the fir
9、st period of some 9600 years, the population increased from same 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 2000 there will be 6.2 billion people throughout the world. One
10、way to appreciate this dramatic difference in such abstract numbers is to reduce the time frame to something that is more manageable. Between 8000BC and 1650, an average of only 50,000 persons was being added annually to the worlds population each year. At present, this number is added every six hou
11、rs. The increase is about 80,000,000 persons annually.1.Which of the following demographic growth pattern is most suitable for the long thin powder fuse analogy?2.During the first period of demographic history, societies were often in danger of extinction because （ ）.3.Which statement is true about
12、population increase?4.The author of the passage intends to（ ）.5.The word “demographic” in the first paragraph means（ ）.问题1选项A.A virtually stable or slightly decreasing period and then a sudden explosion of population.B.A slow growth for a long time and then a period of rapid, dramatic increase.C.Too
13、 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 fertility and lower mortality.问题2选项A.only one in ten persons could live past 40.B.there was higher mortality than fertility in most pla
14、ces.C.it was too dangerous to have babies due to the poor conditionsD.our ancestors had little enthusiasm for more children.问题3选项A.There might be an increase of 2.2 billion persons from now to the year 2000B.About 50,000 babies are bom every six hours at present.C.Between 8000 BC and the present, th
15、e population increase is about 80,000,000 persons each year.D.The population increased faster between 8000BC and 1650 than between 1650 and the present.问题4选项A.warn people against the population explosion in the near futureB.compare the demographic growth pattern in the past with that after 1650C.find out the cause for rapid increase in population in recent yearsD.present us a clear and complete picture of the demographic growth问题5选项A.statistics of humanB.surroundings studyC.accumulation of humanD.development of human【答案】第1题:A第2题:B第
