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World population is increasing at a rate of 150 per minute. Lower death rates also contribute to world population growth. The population of Columbia has been doubling every year for 21 years. The United States is usually doubling its population about every 87 years.
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two hundred and fifty million one hundred million about half of the total population in the world seven thousand million
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World population is increasing at a rate of 150 per minute. Lower death rates also contribute to world population growth. The population of Columbia has been doubling every year for 21 years. The United States is usually doubling its population about every 87 years.
about which for which during which of which
B.C.D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。 —What' s ____ population of China? —As far as I know China has ____ population of about1. 3 billion A. a; the a; a the; the the; a
expects will expect is expected will be expected
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three-fifth; are three-fifth; is three-five; is three-fifths; are
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