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Thomas Malthus published his Essay on the Principle of Population almost 200 years ago. Ever since then, forecasters have being
Thomas Malthus published his Essay on the Principle of Population almost 200 years ago. Ever since then, forecasters have being
admin
2023-01-16
48
问题
Thomas Malthus published his Essay on the Principle of Population almost 200 years
ago. Ever since then, forecasters have being warning that worldwide famine was just around
the next comer. The fast-growing population’s demand for food, they warned, would soon
exceed their supply, leading to widespread food shortages and starvation.
But in reality, the world’s total grain harvest has risen steadily over the years. Except
for relative isolated trouble spots like present-day Somalia, and occasional years of poor
harvests, the world food crisis has remained just around the corner. Most experts believe
this can continue even as if the population doubles by the mid-21st century, although feeding
10 billion people will not be easy for politics, economic and environmental reasons. Optimists
point to concrete examples of continued improvements in yield. In Africa, by instance,
improved seeds, more fertilizers and advanced growing practices have more than double
corn and wheat yields in an experiment. Elsewhere, rice experts in the Philippines are
producing a plant with few stems and more seeds. There is no guarantee that plant breeders
can continue to develop new, higher-yielding crop, but most researchers see their success
to date as reason for hope.
【M2】
选项
答案
第4行的their→its。
解析
该句的意思是“他们警告说,快速增长的人口对粮食的需求将很快超过其供应,导致大范围的粮食短缺和饥荒”。此处的代词指代的是food,为不可数名词,需要使用its。因此需将their改为its。
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本试题收录于:
B类竞赛(英语专业本科专科)题库大学生英语竞赛(NECCS)分类
0
B类竞赛(英语专业本科专科)
大学生英语竞赛(NECCS)
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