The author cites the example of Sri Lanka to prove that _________. ·rising living standards constitute the best guarantee that countries will have lower birth rates · social welfare policies will produce impressive results · overpopulatiois acceptable to some extent · higher educatiofor womeleads to greater control over reproduction
答案是:单选题 ·lower birth rates ·Profit-driven and export-oriented industries have been substituted for by local alternatives. ·rising living standards constitute the best guarantee that countries will have lower birth rates
