题库> 逻辑 CR> CR-d3cwuh

题目选项分析

The sustained massive use of pesticides in farming has two effects that are especially pernicious.First, it often kills off the pests' natural enemies in the area.Second, it often unintentionally gives rise to insecticide-resistant pests, since those insects that survive a particular insecticide will be the ones most resistant to it, and they are the ones left to breed.

From the passage above, it can be properly inferred that the effectiveness of the sustained massive use of pesticides can be extended by doing which of the following, assuming that each is a realistic possibility?

【选项】Breeding higher-yielding varieties of crop plants

选项是否正确?

答对用户笔记

题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:PREP07 Test 2-66
  • 题目来源2:OG18-语文分册-107
  • 题目来源3:OG19-语文分册-107
  • 题目来源4:OG20-语文分册-103
难度: 难