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
53
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.
(19)
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。
转载请注明原文地址:https://kaotiyun.com/show/LUFK777K
0
专业英语四级
相关试题推荐
Becauseofhispoorhealth,ittookhimalongtimetothrow______hisbadcold.(1995年考试真题)
Itisnot______muchthelanguageasthebackgroundthatmakesthebookdifficulttounderstand.(2007年考试真题)
EverythingwasworkingsmoothlyandIfeltontopoftheworld.Theunderlinedphrasemeans
Underthedifficultfinancialsituation,Americans______.
Whatisthemostimportantfunctionoftrees?
ThegirlsinthissixthgradeclassinEastPaloAlto,California,allhavethesameaccesstocomputersasboys.Butresearcher
Theaudiencewaitedin________silencewhiletheiragedspeakersearchedamonghisnoteforthefigureshecouldnoremember.
TheheadoftheMuseumwas______andletusactuallyexaminetheancientmanuscripts.
Culturalrulesdetermineeveryaspectoffoodconsumption.Whoeatstogetherdefinessocialunits.Forexample,insomesocietie
OurvisittotheexcavationofaRomanfortonahillnearCoventrywasofmorethanarchaeologicalinterest.Theyear’sdighad
随机试题
乳糖操纵子的基因表达调节属于
妊娠性瘙痒症有如下特征,除外的是
患者,男,68岁。饱餐后出现脐周阵发性腹痛,伴呕吐、腹胀,肛门停止排便排气2天。查体:腹软,脐周有轻度压痛,无反跳痛,肠鸣音亢进,有气过水声。患者2年前曾因化脓性阑尾炎行阑尾切除术,半年来间断性腹部隐痛不适。目前对该患者最重要的处理措施是
马,枣红色,4岁,营养中等。就诊当天早晨突然发病,症见蹇唇似笑,不时前蹄刨地,回头观腹,起卧打滚,间歇性肠音增强,如同雷鸣,有时排出稀软甚至水样粪便,耳鼻四肢不温,口色青白,口津滑利,脉象沉迟。该病可首选针刺
A.金黄色葡萄球菌B.痢疾杆菌C.草绿色链球菌D.Coxsachie(柯萨奇)病毒E.产气杆菌引起急性细菌性心内膜炎
除法律另有规定外,下列财产中,不得用于抵押的有()。
市场机制本身存在缺陷,所以不能单纯依靠市场机制,但下列各项中,()不属于市场机制的缺陷。
有人把学业失败的原因说成努力不够,这种归因属于()
下列选项中,体现物权特征的是()。
•Youwillhearadiscussion.•Foreachquestion23-30markoneletter(A,BorC)forthecorrectanswer.•Afteryouhaveli
最新回复
(
0
)