A third of the planet’s land is severely degraded and fertile soil is being l

游客2023-06-22  34

问题    A third of the planet’s land is severely degraded and fertile soil is being lost at the rate of 24bn tonnes a year, according to a new United Nations-backed study that calls for a shift away from destructively intensive agriculture. The alarming【C1】______, which is forecast to continue as demand for food and productive land increases, will add to the risks of conflicts unless【C2】______actions are implemented, warns the institution behind the report.
   "As the ready supply of healthy and productive land dries up and the population grows, competition is【C3】______for land within countries and globally," said executive secretary of the UN Convention to CombatDesertification (UNCCD) at the launch of the Global Land Outlook. " To【C4】______the losses, the outlooksuggests it is in all our interests to step back and rethink how we are managing the pressures and thecompetition. "
   The Global Land Outlook is【C5】______as the most comprehensive study of its type, mapping the interlinked impacts of urbanization, climate change, erosion and forest loss. But the biggest factor is the【C6】______of industrial farming. Heavy tilling, multiple harvests and【C7】______use of agrochemicals have increased yields at the【C8】______of long-term sustainability. In the past 20 years, agricultural production has increased threefold and the amount of irrigated land has doubled, notes a paper in the outlook by the Joint Research Centre (JRC) of the European commission. Over time, however, this【C9】______fertility and can lead to abandonment of land and【C10】______desertification.
   A) absorb I) limited
   B) abundant J) minimize
   C) billed K) occasionally
   D) decline L) optimizes
   E) diminishes M) rate
   F) expansion N) remedial
   G) expense O) ultimately
   H) intensifying [br] 【C9】

选项

答案 E

解析 分析句子结构可知,空格所在句缺少谓语,因此应填入动词,且根据主语this及本文时态为现在时可知,该谓语动词应该使用第三人称单数形式。上文提到,机械化农业的扩张导致土地失去可持续发展的能力,再结合下文中的土地被撂荒可知,此处说的是随着时间的推移,土地生产力下降了,故E)diminishes“降低,削弱”为本题答案。
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