首页
登录
职称英语
Global warming is already cutting substantially into potential crop yields i
Global warming is already cutting substantially into potential crop yields i
游客
2023-11-09
42
管理
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 (1)______ 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 (2)______ in India, France and China compared with(3)______ they probably would have been without rising(4)______, according to the study.
Corn yields were(5)______ a few percentage points in China, Brazil and France from what would have been (6)______, said the researchers, whose findings were published in Friday’s (7)______ of the journal Science.
Some countries saw small gains from the temperature increases, however. And in all countries, the(8)______ carbon dioxide that humans are (9)______ into the air acted as a (10)______ that encouraged plant growth,(11)______ some of the losses from rising temperatures caused by that same greenhouse gas.
(12)______, the study’s authors found that when the gains in some countries were weighed(13)______ the losses in other countries, the overall global(14)______ of climate change has been small so far: losses of a few percentage points for wheat and corn from what they would have been (15)______ climate change. The general impact on production of rice and soybeans was(16)______, with gains in some regions entirely counterbalancing losses in others.
(17)______ the authors of the study pointed out that temperature increases were expected to(18)______ in coming decades, making it likely that the challenges(19)______ food production will grow in a era when demand is expected to(20)_____ sharply. [br] (17)
选项
A、So
B、Hence
C、But
D、And
答案
C
解析
句意关系题。根据这句话后半部分的提示,粮食生产可能会受到越来越大的挑战,与前文得出的影响不大的结论相反,故选but。
转载请注明原文地址:https://tihaiku.com/zcyy/3172553.html
相关试题推荐
Wehaveacrisisonourhands.Youmeanglobalwarming?Theworldeconomy?N
Wehaveacrisisonourhands.Youmeanglobalwarming?Theworldeconomy?N
Thelackofrain______thealreadyseriousshortageoffood.A、aggregatedB、aggrav
Somepeoplearefriendlydrunks,whereasothersarehostile,potentiallypos
Somepeoplearefriendlydrunks,whereasothersarehostile,potentiallypos
Somepeoplearefriendlydrunks,whereasothersarehostile,potentiallypos
Somepeoplearefriendlydrunks,whereasothersarehostile,potentiallypos
Somepeoplearefriendlydrunks,whereasothersarehostile,potentiallypos
Somepeoplearefriendlydrunks,whereasothersarehostile,potentiallypos
Somepeoplearefriendlydrunks,whereasothersarehostile,potentiallypos
随机试题
Bytheendoflastmonth,ourfactory(produce)______3000motors.hadproduced本题考
[originaltext]Oneofthemostimportantquestionsaworkercanaskis:"WillI
你是HJR电脑公司售后服务部的JohnGreen,昨天收到客户Sam的来信,信中指出,他新买的电脑不能正常启动。现在你以JohnGreen的名义给Sam写一
[originaltext]M:Haveyoufinishedyourwork?W:Notyet.Ihavetostayupto
采用()时,不宜采用分件吊装法。A.履带式起重机 B.汽车式起重机 C.
结构的载荷与尺寸均已知。B处约束的全部约束力为:
根据《中华人民共和国计量法实施细则》,为社会提供证据数据的产品质量检测机构,必须
A公司发行一批可转换公司债券,其面值为3000万元,实际发行价格为2870
低钾性碱中毒常出现于:()A.尿毒症 B.胃肠减压 C.术后少尿
完全估值法是通过对各种情景下投资组合的重新定价来衡量风险,而德尔塔一正态分布则是
最新回复
(
0
)