首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Global warming is already cutting substantially into potential crop yields in some countries—to such an extent that it may be a
Global warming is already cutting substantially into potential crop yields in some countries—to such an extent that it may be a
admin
2013-12-13
32
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.
(5)
选项
A、off
B、below
C、up
D、above
答案
A
解析
句意关系兼词汇辨析题。第一段开宗明义,全球变暖导致粮食减产。第二段第一句话跟第三段的第一句话类似,均举例说明某些国家粮食减产。所以此处要选一个说明减产的词,所以选off,做副词时可表示“变少,变小”。
转载请注明原文地址:https://kaotiyun.com/show/3UFK777K
0
专业英语四级
相关试题推荐
Althoughthefalsebanknotesfooledmanypeople,theydidnot______tocloseexamination.(1996年考试真题)
Thefactthatthemanagementistryingtoreachagreement______fiveseparateunionshasledtolongnegotiations.(1999年考试真题)
There______nothingmorefordiscussion,themeetingcametoanendhalfanhourearlier.(2001年考试真题)
Thefootballmatchwas______becauseoftheheavyrain.(2009年考试真题)
ProfessorSmithrecentlypersuaded35people,23ofthemwomen,tokeepadiaryofalltheirabsentmindedactionsforafortnigh
TheDowJonesindustrialsclosedMondayatits
Itisgenerallybelievedthatthegreatestdamageofoldageisthelossofmentalfaculties.Withtheneardoublingoflifeexp
Whyisitsodifficulttofallasleepwhenyouareovertired?Thereisnooneanswerthat(1)______toeveryindividual.Butmany
Whyisitsodifficulttofallasleepwhenyouareovertired?Thereisnooneanswerthat(1)______toeveryindividual.Butmany
OurvisittotheexcavationofaRomanfortonahillnearCoventrywasofmorethanarchaeologicalinterest.Theyear’sdighad
随机试题
麦芽糖是________的主要呈味成分。
PLC的使用环境湿度一般在20%~90%,环境湿度无法满足时,可采用安装()等措施。
Inouronlinelife,weneedtousepasswordsfrequently.Weusepasswords【C1】______e-mail,gamingsites,socialnetworkingsite
甲类传染病包括
在我国,现金日记账和银行存款日记账要选用()。
英译汉“Antwerp;Bremen;Gaoxiong”,正确翻译为( )。
工程项目质量控制即为达到工程项目质量要求而采取的()。
行政机关实施行政复议的期限以()计算。
人口老龄化虽然不可避免地带来劳动力的短缺,但劳动供给短缺将激励改进要素利用的技术创新,从而加速技术进步。在知识经济不断发展的今天,物质资本投资的折旧率高,投资回报呈不断下降的趋势,相反,人力资本投资的报酬率却能持续维持在高水平。人口老龄化将诱发由重视物质资
在教育研究方法发展的第二个时期进入教育科学研究方法论的视野,为考察教育问题提供了客观基础的是()。
最新回复
(
0
)