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下列关于生态工程的叙述, 正确的是

Gaokao · Biology · previous-year question

  1. A.生物防治技术的理论基础是种群内个体的竞争
  2. B.套种、间种和轮种体现了物质的 良性循环技术
  3. C.风能和潮汐能的开发技术不属于生态工程范畴
  4. D.“过腹还田” 可使农作物秸秆得到 多途径的利用

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