2. 职称英语
  3. Global warming is already cutting substantially into potential crop yields i

Global warming is already cutting substantially into potential crop yields i

游客2023-11-05  35
问题     Global warming is already cutting substantially into potential crop yields in some countries—to such an extent that it may be a factor in the food price【C1】______ that have caused worldwide stress in recent years, researchers suggest in a new study.
    Wheat yields in recent years were down by more than 10 percent in Russia and by a few percentage points【C2】______ in India, France and China compared with【C3】______ they probably would have been without rising【C4】______, according to the study.
    Corn yields were【C5】______ a few percentage points in China, Brazil and France from what would have been【C6】______, said the researchers, whose findings were published in Friday’s【C7】______ of the journal Science.
    Some countries saw small gains from the temperature increases, however. And in all countries, the【C8】______ carbon dioxide that humans are【C9】______ into the air acted as a【C10】______ that encouraged plant growth,【C11】______ some of the losses from rising temperatures caused by that same greenhouse gas.
    【C12】______, the study’s authors found that when the gains in some countries were weighed【C13】______ the losses in other countries, the overall global【C14】______ of climate change has been small so far: losses of a few percentage points for wheat and corn from what they would have been【C15】______ climate change. The general impact on production of rice and soybeans was【C16】______, with gains in some regions entirely counterbalancing losses in others.
    【C17】______ the authors of the study pointed out that temperature increases were expected to【C18】______ in coming decades, making it likely that the challenges【C19】______ food production will grow in a era when demand is expected to【C20】_____ sharply. [br] 【C19】
选项 A、to
B、of
C、from
D、for
答案 A
解析 短语搭配题。此处需要在challenges“挑战”后面填一个介词，说明未来几十年粮食生产受到的挑战会加大，因此选A项，challenge to“对某人或某事的挑战”。challenge of和challenge from均表示“来自某人／某事物的挑战”，与句意刚好相反。challenge for是指为了获得某事物而进行的挑战，也与句意不符。
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