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A third of the planet’s land is severely degraded and fertile soil is being
A third of the planet’s land is severely degraded and fertile soil is being
游客
2024-01-21
44
管理
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 Combat Desertification (UNCCD) at the launch of the Global Land Outlook. "To【C4】________ the losses, the Outlook suggests it is in all our interests to step back and rethink how we are managing the pressures and the competition. "
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) rninimize
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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