【单选题】【消耗次数:1】
A country ________ birth rate is higher than its death rate will have an increasing population.
who
which
whose
where
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相关题目
【单选题】 The birth rate of the country decreases ______ with years.
①  extremely
②  approximately
③  progressively
【单选题】 The city ____ its birth-rate by almost 60% in the past 20 years.
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①  from
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