历年考研英语阅读理解1998年04
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    [00:05.80]1998 Passage4

    [00:08.72]Emerging from the 1980 census

    [00:11.23]is the picture of a nation developing

    [00:13.25]more and more regional competition,

    [00:15.78]as population growth in the Northeast

    [00:18.19]and Midwest reaches a near standstill.

    [00:21.93]This development--and its strong implications for

    [00:24.84]US politics and economy in years ahead

    [00:28.07]--has enthroned the South as America's most densely populated region

    [00:32.70]for the first time in the history

    [00:34.06]of the nation's head counting.

    [00:36.59]Altogether, the US population rose in the 1970s

    [00:40.81]by 23.2 million people

    [00:43.84]--numerically the third-largest growth

    [00:46.18]ever recorded in a single decade.

    [00:49.71]Even so, that gain adds up to only 11.4 percent,

    [00:55.06]lowest in American annual records

    [00:57.45]except for the Depression years.

    [01:00.57]Americans have been migrating south and west

    [01:03.91]in larger numbers since World War II,

    [01:06.83]and the pattern still prevails.

    [01:10.17]Three sun-belt states--Florida, Texas and California

    [01:14.90]--together had nearly 10 million more people in 1980

    [01:19.05]than a decade earlier.

    [01:21.16]Among large cities, San Diego moved from 14th to 8th

    [01:26.21]and San Antonio from 15th to 10th

    [01:29.64]--with Cleveland and Washington, D.C.,

    [01:32.07]dropping out of the top 10.

    [01:34.99]Not all that shift can be attributed to the movement

    [01:38.02]out of the snow belt,

    [01:39.43]census officials say.

    [01:41.25]Nonstop waves of immigrants played a role, too

    [01:44.78]--and so did bigger crops of babies

    [01:47.10]as yesterday's "baby boom" generation

    [01:49.61]reached its child-bearing years.

    [01:52.84]Moreover, demographers see the continuing shift

    [01:56.16]south and west as joined

    [01:58.48]by a related but newer phenomenon:

    [02:01.51]More and more, Americans apparently

    [02:03.83]are looking not just for places with more jobs

    [02:06.34]but with fewer people, too.

    [02:09.37]Some instances--

    [02:11.68]﹒Regionally, the Rocky Mountain states

    [02:14.01]reported the most rapid growth rate

    [02:16.52]--37.1 percent since 1970 in a vast area

    [02:21.51]with only 5 percent of the US population.

    [02:25.84]﹒Among states, Nevada and Arizona

    [02:28.80]grew fastest of all:

    [02:30.70]63.5 and 53.1 percent respectively.

    [02:35.94]Except for Florida and Texas,

    [02:38.38]the top 10 in rate of growth is composed

    [02:41.04]of Western states with 7.5 million people

    [02:45.29]--about 9 per square mile.

    [02:48.51]The flight from overcrowdedness

    [02:50.62]affects the migration from snow belt

    [02:53.00]to more bearable climates.

    [02:55.61]Nowhere do 1980 census statistics dramatize more

    [02:59.91]the American search for spacious living

    [03:02.14]than in the Far West.

    [03:04.45]There, California added 3.7 million to its population

    [03:09.49]in the 1970s,

    [03:11.40]more than any other state.

    [03:14.23]In that decade, however, large numbers

    [03:17.05]also migrated from California,

    [03:19.88]mostly to other parts of the West.

    [03:22.57]Often they chose

    [03:24.08]--and still are choosing

    [03:25.81]--somewhat colder climates such as Oregon,

    [03:28.72]Idaho and Alaska in order to escape smog,

    [03:32.75]crime and other plagues of urbanization in the Golden State.

    [03:37.90]As a result, California's growth rate dropped

    [03:41.23]during the 1970s, to 18.5 percent

    [03:45.66]--little more than two thirds the 1960s' growth figure

    [03:49.70]and considerably below that of other Western states.

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