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
Humans have altered the world’s climate by (1)_____ heat-trapping gases since almost the beginning of civilization and even prev
Humans have altered the world’s climate by (1)_____ heat-trapping gases since almost the beginning of civilization and even prev
admin
2009-04-27
48
问题
Humans have altered the world’s climate by (1)_____ heat-trapping gases since almost the beginning of civilization and even prevented the start of an ice age several thousand years ago, a scientist said.
Most scientists (2)_____ a rise (3)_____ global temperatures over the past century (4)_____ to emissions of carbon dioxide (5)_____ human activities like driving cars and operating factories.
Dr. William Ruddiman, a professor at the University of Virginia, said at a meeting of the American Geophysical Union (6)_____ humans’ effect (7)_____ climate went back nearly 10, 000 years (8)_____ people gave up hunting and gathering and began farming.
In a commentary accompanying the article, Dr. Thomas J. Crowley of Duke University, said he (9)_____ Dr. Ruddiman’s premise at first. "But when I started reading, Dr. Crowley wrote, "I could not help but (10)_____ whether he just might be (11)_____ something."
The climate of the last 10,000 years has been unusually stable, (12)_____ civilization to flourish. But that is only because people chopped down swaths of forest in Europe, China and India for croplands and pastures. Carbon dioxide (13)_____ by the destruction of the forests, plus methane, another heat-trapping gas, (14)_____ by irrigated rice fields in Southeast Asia, trapped enough heat to (15)_____ an expected natural cooling.
Levels of carbon dioxide and methane rise and fall in natural cycles (16)_____ thousands of years, and both reached a peak at the end of the last ice age 11;000 years ago. Both then declined (17)_____ expected.
Both (18)_____ declining through the present day, leading to lower temperatures, and a new ice age should have begun 4,000 to 5,000 years ago, Dr. Ruddiman said. Instead, levels of carbon dioxide reversed 8,000 wears ago. The decline (19)_____ methane levels reversed 5,000 years ago, (20)_____ with the advent of irrigation rice farming.
选项
A、coincided
B、coinciding
C、together
D、contrary
答案
B
解析
使用语法。这里需要现在分词短语做伴随状语,选coinciding,coincide with的意思是"与…一致"。
转载请注明原文地址:https://jikaoti.com/ti/HAURFFFM
0
考研英语一
相关试题推荐
Foralmosttwocenturiesnow,scientistshavenoticedaplace’ssuicideratebearstroublinglinkstothechangingoftheseason
LawrenceofArabiaisamodernmyth.Thesubjectofmorethan100books,severalofthemfull-lengthbiographies.Lawrenceisbe
[A]Howtoturnahobbyintoabusiness[B]Expensivetoysarenotsmartchoices[C]Smartmoneychoicesmakeafamilylif
Onthesurface,Marsisthepictureofdesolation.Abarrenlandremains【C1】______forhundredsofmillionsofyears,motionless【
Writeanessayofabout150wordsbasedonthefollowingdrawing.Inyouressay,youshould1)describethedrawingbriefly,
DuringthenextseveralweeksIwentcompletelytothewolves.Itookatinytentandsetitupontheshoreofbay.Thebigtel
ChilddevelopmentalpsychologistJeanPiagetconvincedusthatyoung,undevelopedmindscouldn’thandlecomplexconceptsbecause
Whyinanageofadvancedtechnology,shouldsomanypeoplestillclingtoanancientbelief?Inpartitmustbebecauseastrolo
Readthefollowingtextandanswerquestionsbyfindinginformationfromtherightcolumnthatcorrespondstoeachofthemarked
Asimpleideasupportsscience:"trust,butverify".Resultsshouldalwaysbe【C1】________tochallengefromexperiment.Thatsimp
随机试题
如果应用程序要在Applet上显示输出,则必须重写的方法是()。
四唑氮蓝试验(NBT)反映
A.医生对自杀的患者予以制止B.医生的行为以保护患者利益、促进患者健康、增进其幸福为目的C.医生要保护患者的隐私D.医生的行为要遵循医德规范的要求E.医生在紧急灾难(如传染病流行)面前要服从卫生部门调遣能体现医生特殊干涉权的是
季度财务会计报告的保管期限为( )年。
行政处罚制裁的行为是国家工作人员与其职务有关的违法、渎职或失职行为。()
需要层次理论的提出者和代表人物是()。
2011年4月,甲为了骗取保险金,请朋友乙帮忙联系购买,一辆车。某日,乙窜人某小区盗车。被巡逻的保安员发现,乙用撬棍将保安员打晕,在驾驶盗来的车准备逃离时,担心保安员醒后报警,又下车用匕首将保安员捅死。乙将该车交给甲,要价5万元,甲在得知车是偷来的后只付给
下列全部属于舌尖中、浊、鼻音的一组汉字是()。(西南大学2015)
使用“开始”菜单打开“资源管理器”,在C盘根目录下创建名为“打字.txt”的文本文档。
Itseemslogical:Collegegraduateshavelowerunemploymentandearnmorethanlesseducatedworkers,so,thethinkinggoes,the
最新回复
(
0
)