问题
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The current rate of annual increase in the world population is about ______.A.5.7 millionB
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The increase in the U. S. life expectancy is mostly due toA.declining death rates from hea
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What is the current situation of job market in the US?A.Unemployment rate is still changin
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What is the current supporting rate of British people for the upcoming 2012 London Olympic
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A country______birth rate is higher than its death rate will have an increasing population
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The starting current of an a.cmotor is _____ the rated current.A.the same asB.much larger