题库> 逻辑 CR> CR-038rwh

题目选项分析

In Asia, where palm trees are nonnative, the trees` flowers have traditionally been pollinated by hand, which has kept palm fruit productivity unnaturally low. When weevils known to be efficient pollinators of palm flowers were introduced into Asia in 1980, palm fruit productivity increased-by up to 50 percent in some areas-but then decreased sharply in 1984.

Which of the following statements, if true, would best explain the 1984 decrease in productivity?

【选项】Rapid increases in productivity tend to deplete trees of nutrients needed for the development of the fruit-producing female flowers.

选项是否正确?

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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:OG12-18
  • 题目来源2:PREP2012-5
正确率:57%