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
30
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、apply
B、attribute
C、attend
D、assign
答案
B
解析
动词辨析。大多数科学家认为上个世纪的全球气温上升的部分原因是人类行为释放出的二氧化碳。本处需要一个动词与后面的协搭配。apply...to将…应用于,attend to注意,照顾,assign...to分配,attribute...to归因于,所以只有B是正确答案。
转载请注明原文地址:https://kaotiyun.com/show/R8a4777K
0
考研英语一
相关试题推荐
Airbnb,thepopularplatformthatletspeoplerentouttheirhomesandapartments,releasedtheresultsofavolunteersurveyth
TurnontheTVorscrollthroughInstagram,andit’snotdifficulttofindaseaofblondpoliticians,newscommentators,celebr
Artificialintelligenceisbecominggoodatmany"human"jobs—【C1】______disease,translatinglanguages,providingcustomerservi
Thenewpaperwasspurredbythediscoveryofseveral120,000-year-oldtoolsatadesertarchaeologicalsiteintheUnitedArab
GivenalltheroilingdebatesabouthowAmerica’schildrenshouldbetaught,itmaycomeasasurprisetolearnthatstudentssp
[A]Howtoturnahobbyintoabusiness[B]Expensivetoysarenotsmartchoices[C]Smartmoneychoicesmakeafamilylif
Onthesurface,Marsisthepictureofdesolation.Abarrenlandremains【C1】______forhundredsofmillionsofyears,motionless【
Italmostdidn’thappen.TherewasatimewhenMuirWoodscameclosetofeelingthebiteofloggers’saws.Butstrongeffortsby
SupposeyouareapplyingforagraduatepositioninHarvardUniversityandyouarerequiredtosubmitarecommendationletter,w
SupposeProfessorChenisgoingtospendoneyearawayfromhisinstitutiontopursueresearchinatmosphericscience.Writehim
随机试题
我国常见的民歌体裁有()。
温度的测算标准主要有()。
A、致畸作用B、二重感染C、特异反应D、后遗作用E、变态反应葡萄糖-6-磷酸脱氢酶缺乏的病人,服用磺胺药后出现溶血反应,为药物的
女性,28岁,右下腹痛、腹泻伴关节酸痛、低热半年,查体心、肺正常,腹软,右下腹触及可疑肿块,X线钡餐检查显示回盲部有钡影跳跃征象,最可能的诊断是
已知证券组合P是由证券A和B构成,证券A和B的期望收益、标准差以及相关系数如表1所示。那么,组合P的期望收益和方差为( )。
广告创意的过程的最后一个阶段是()。
《关于促进乡村旅游可持续发展的指导意见》指出,要坚持以农民为受益主体,以农业农村为基本依托,尊重农民意愿,注重农民的全过程参与,调动农民积极性与创造性。()
下列属于五经的有()。
PaperShredderPriceUsageCutTypeCommentsPrivacySolutionsPL-1500$28light
AmericansandFoodAnunusualbuttimelycartoonrecentlyappearedinthelocalnewspaper.Thesinglepanelshowedagravel-
最新回复
(
0
)