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The shorter growing seasons expected with climate change over the next 40 years will endanger hundreds of millions of already po
The shorter growing seasons expected with climate change over the next 40 years will endanger hundreds of millions of already po
admin
2022-10-25
30
问题
The shorter growing seasons expected with climate change over the next 40 years will endanger hundreds of millions of already poor people in the global tropics, say researchers working【C1】________the world’s leading agricultural organisations.
The effects of climate change are likely to be seen across the entire tropical【C2】________but many areas previously considered to be【C3】________food secure are likely to become highly【C4】________to droughts, extreme weather and higher temperatures, say the researchers with the Consultative Group on International Agricultural Research.
Intensively farmed areas【C5】________northeast Brazil and Mexico are likely to see their【C6】________growing seasons fall below 120 days, which is critical for crops【C7】________corn to mature. Many other places in Latin America are likely to【C8】________temperatures that are too hot for bean【C9】________, a staple in the region.
The impact could be【C10】________most in India and southeast Asia. More than 300 million people in south Asia are likely to be affected even with a 5% decrease in the【C11】________of the growing season.
Higher peak temperatures are also expected to take a heavy【C12】________on food producers. Today there are 56 million crop-dependent people in parts of west Africa and India who live in areas where, in 40 years, maximum daily temperatures could be【C13】________than 30℃ . This is【C14】________to the maximum temperature that beans can tolerate,【C15】________corn and rice yields suffer when temperatures【C16】________this level.
"We are starting to see much more clearly【C17】________the effects of climate change on agriculture could【C18】________hunger and poverty," said research leader Parti Kristjanson. "Farmers already【C19】________variable weather by changing their planting schedules. What this study suggests is that the speed of climate【C20】________and the magnitude of the changes required to adapt could be much greater."
【C2】
选项
A、zone
B、segment
C、portion
D、sphere
答案
A
解析
上下文语义题。空格处填入名词,被前面的tropical修饰。上一段提及了气候变化会危及到热带地(tropics)的贫困居民,此处依旧是讲气候变化所影响的区域,根据连词but后面的many areas推断空格处应填入表示地区或地域的词。zone意为“地带,区域”,与tropical连用表示“热带地区”,符合句意。B项segment “部分,片段”指某物的特定部分或自然形成的部分,也指线形物品的一段。C项portion意为“一部分”,侧重从整体中所分配到的那一部分。D项sphere作“领域”讲时,侧重于指活动、影响或兴趣范围,不用于指具体的地理区域。
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0
考研英语二
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