单选题A large population in an underdeveloped country may lead to ______.Aa rise in work efficiencyBa shortage of farm workersCa decline in grain productionDa reduction in average income
单选题
A large population in an underdeveloped country may lead to ______.
A
a rise in work efficiency
B
a shortage of farm workers
C
a decline in grain production
D
a reduction in average income
参考解析
解析：
答案从文章第二段第四句中找得，意思是说人口数量大使得人均收入减少。A、C两项均没有提到，B项足人口少导致的，故选D。
答案从文章第二段第四句中找得，意思是说人口数量大使得人均收入减少。A、C两项均没有提到，B项足人口少导致的，故选D。
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