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
考研
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
2017-01-09
50
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.
【C17】
选项
A、So
B、Hence
C、But
D、And
答案
C
解析
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C项But“但是”。
转载请注明原文地址:https://kaotiyun.com/show/RzEZ777K
0
考研英语一
相关试题推荐
It’snosecretthatthejobofapoliticalpollsterisgettingharderandhardereveryelectioncycle.Peoplearecuttingthela
It’snosecretthatthejobofapoliticalpollsterisgettingharderandhardereveryelectioncycle.Peoplearecuttingthela
Notallofthepotentialsolutionstoclimatechangearefuturistic,expensiveorexotic.Infact,mostAmericanscanfindoneo
Thebattletopreventoratleastslowglobalwarminghasintensifiedinthepastyearasscientistshavelearnedmoreaboutthe
Thebattletopreventoratleastslowglobalwarminghasintensifiedinthepastyearasscientistshavelearnedmoreaboutthe
Thebattletopreventoratleastslowglobalwarminghasintensifiedinthepastyearasscientistshavelearnedmoreaboutthe
随机试题
灭菌剂可以杀灭一切________使其达到________的制剂。例如________、戊二醛、________、环氧乙烷。
"阴在内,阳之守也"的含义是
甲开发商将一套别墅分别卖给了乙和丙,因资金紧张甲又将该别墅抵押给了丁。因别墅未交付,甲又将该别墅租给了戊。因买卖、抵押、租赁而发生纠纷。请回答下列问题:设甲与乙、丙的合同未进行预告登记,与丁的抵押办理了登记。甲再将房屋租赁给戊,且办理了租赁登
“备案号”栏:()。“成交方式”栏:()。
建设社会主义新农村,最重要的是发展农业和农村经济。()
劳动者的工种与岗位、工作地点和场所通常在劳动合同中的()条款中加以规定。
解决城乡、区域之间发展不平衡问题不可能______,需要付出长期艰苦努力。国际经验表明,发展不平衡问题是一个______存在的现象,如果处理不好,任其延续,会阻碍经济持续较快发展,加剧社会矛盾,影响社会和谐稳定,甚至会成为社会动荡的诱发因素。依次填入横线处
设A,B,C是三个事件,与事件A互斥的事件是()
在VBA中,错误的循环结构是
Iwasn’tqualifiedforthejobreallybutIgotitanyhow.
最新回复
(
0
)