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A. accelerate B. arguable C. consequently D. effect E. expected
A. accelerate B. arguable C. consequently D. effect E. expected
游客
2024-09-07
21
管理
问题
A. accelerate B. arguable C. consequently D. effect E. expected
F. extra G. issue H. negligible I. offsetting J. prices
K. raise L. rise M. surprisingly N. temperatures O. volume
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 increases 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 each in India, France and China compared with what they probably would have been without rising 【C1】______, according to the study. Corn yields were off a few percentage points in China, Brazil and France from what would have been 【C2】______, said the researchers, whose findings were published in Friday’s 【C3】______ of the journal Science.
Some countries saw small gains from the temperature increases, however. And in all agricultural countries, the 【C4】______ carbon dioxide that humans are pumping into the air acted as a fertilizer that encouraged plant growth, 【C5】______ some of the losses from rising temperatures caused by that same greenhouse gas. The study’s authors, 【C6】______, found that when the gains in some countries were weighed against the losses in other countries, the overall global 【C7】______ of climate change has been small so far: losses of a few percentage points for wheat and corn from what they would have been without climate change. The general impact on production of rice and soybeans was 【C8】______, with gains in some regions entirely counterbalancing losses in others.
But the authors of the study pointed out that temperature increases were expected to 【C9】______ in coming decades, making it likely that the challenges to food production will grow in an era when demand is expected to 【C10】______ sharply. [br] 【C8】
选项
答案
H
解析
根据空格后的提示,可知一些地区稻米和大豆的收成和其他地区的损失相互抵消(entirely counterbalancing losses)。因此这种影响是很小的,选negligible“可忽略的,微不足道的”。既然下文已经明确指出收成和损失互相抵消,所以这种影响就是确定的,因此排除arguable“可争论的”。
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