语法与词汇
15.Scholars come to the agreement that the Malthusian catastrophe has already occurred in isolated cultures that had no means of______resources.
【正确答案】
D
【答案解析】句意：专家一致认为马尔萨斯灾难已经发生在没有途径补充资源的孤立文化体中。replenish补充，重新装满；替换。refine精炼；改进，改善。refresh使恢复精力；刷新，更新。rejoice非常高兴；深感欣喜。