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

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

游客2024-01-24  94
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] 【C1】
选项
答案 D
解析 空格前是形容词alarming，且分析句子结构可知，本句缺少主语，此外由修饰该主语的定语从句中的谓语is可知，此处应该填入一个单数名词或不可数名词作主语。上文提到了土地的严重退化和肥沃土壤的严重流失，故此处说的应该是土地数量的减少令人担忧，故D)decline“降低，减少”为本题答案。
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