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
In the world of climate change, it is in the Earth’s cold regions where trends can most easily be seen. The cryosphere, where wa
In the world of climate change, it is in the Earth’s cold regions where trends can most easily be seen. The cryosphere, where wa
admin
2015-09-30
86
问题
In the world of climate change, it is in the Earth’s cold regions where trends can most easily be seen. The cryosphere, where water is found in solid form, is among the most sensitive regions to temperature change.
The sensitivity of ice and snow to temperature changes is an early indicator of even relatively small differences, says University of Colorado at Boulder senior researcher Richard Armstrong. He has found that today’s receding and thinning sea ice, mountain glacier mass losses, decreasing snow extent, melting permafrost (永久冻土), and rising sea level are all consistent with war¬ming.
Global mean temperatures have risen one degree Fahrenheit over the past 100 years, with more than half of the increase occurring in the last 25 years, observes Armstrong who is affiliated with the National Snow and Ice Data Center headquartered at CU-Boulder.
"As slight as that may seem, it’s enough to make a difference," said Armstrong. "Now, long-term monitoring of a series of cold region, or cryospheric, parameters (参数) shows that for several decades the amounts of snow and ice around the world have been decreasing. "
The extent of Arctic sea ice is shrinking by about 3 percent per decade, but the trends are not uniform. While recent studies have indicated that the ice thickness also had decreased over several decades, new information shows that the ice may have thinned rapidly, Armstrong said. Examination of springtime ice thickness in the Arctic Ocean indicates that the mean ice thickness decreased 1. 5 meters (4. 8 feet) between the mid-1980s and early 1990s.
To mark its 25th anniversary, the National Snow and Ice Data Center has organized a special session at the 2001 Fall Meeting of American Geophysical Union, taking place this week in San Francisco, that illuminates overall changes in the cryosphere.
The session begins Tuesday and extends through Thursday afternoon, with 75 contributions from all areas of cryospheric study. Papers and posters include examinations of lake and river ice, glacier dynamics, and mass ice balance studies in polar and continental glaciers, regional and polar snow cover trends, and variations in Canadian ice cap elevations.
According to Armstrong, ______.
选项
A、slight changes in global mean temperature are insignificant
B、the amounts of snow and ice around the world began to decrease in the 1990s
C、the past 100 years witnessed the greatest rise in global mean temperature in human history
D、the global mean temperature increased more than 0. 5 degree Fahrenheit in the last 25 years
答案
D
解析
细节题。本题是问文中所涉及的Armstrong的观点。根据第三段,Armstrong认为全球平均气温在过去的100年间上升了1华氏度,而其中一半多的上升是发生在过去25年间。这并不意味着全球平均气温在过去的100年间的上升是在人类历史上最快的,所以C不对,而D符合。在第四段中又讲,他认为尽管这个数字看起来很小,但足以产生很大影响,因此A不对;而且他还说在过去几十年间世界冰雪量一直在减少,所以B不符合此意。故D是本题正确答案。
转载请注明原文地址:https://kaotiyun.com/show/ZcWO777K
0
在职攻硕英语联考
相关试题推荐
A、Georgewasnotplayingwell.B、Georgealwayslosestempereasily.C、Georgeshouldhavewonthematch.D、Georgeisnomatchfor
Evenduringthehorseandcarriagedays,trafficinbigcitieswasoftenheavy.Policeofficershadtobestationedfulltimedi
A、Eatalittlebitpotatochips.B、Staywithhisdecision.C、Changehisgoal.D、Throwawaythetrash.A男士说:我决定摆脱坏习惯,从头开始,吃新鲜、健康食
TheIndustrialRevolutionmarkedamajorturningpointinhumans’relationshipwiththeirenvironment.It【C1】______changedevery
WiththepopularuseoftheInternet,fewpeoplekeepintouchwithothersviahand-writtenletters.
Canhumanspreventclimatechangefromradicallyimpactingonourlivesoverthecomingdecades?ThisisthequestionaskedbyJ
Canhumanspreventclimatechangefromradicallyimpactingonourlivesoverthecomingdecades?ThisisthequestionaskedbyJ
TheInternethasmadesomemensorichandambitiousthatEarthnolongerseemslargeenoughtocontaintheirfortunesoregos.
TheInternethasmadesomemensorichandambitiousthatEarthnolongerseemslargeenoughtocontaintheirfortunesoregos.
随机试题
慢性呼吸衰竭的处理原则是什么?
对定期考核不合格的医师,县级以上人民政府卫生行政部门可以
A市某区政府教委的公务员张某在2005年度考核中定为不称职,张某的下列哪种做法不正确?()
电能在变压输送过程中造成损耗,这部分损耗称为线变损或简称为线损,对于供配电线损的构成,下列不正确的是哪项?()
意味着20世纪影响全球各国金融业分业经营制度框架的终结,并标志着美国乃至全球金融业真正进入了金融自由化和混业经营时代的法案是( )。
甲公司2013年度财务报告批准报出日为2014年4月12日,甲公司2014年发生的下列事项中,属于资产负债表日后调整事项的有()。
2016年重庆火锅当选为“重庆十大文化符号”之首。()
填入下面文字横线处的词语,最恰当的是()。竞争性选拔是____________选人视野、打破论资排辈,让优秀年轻干部____________的“绿色通道”,也是公信度高、为干部群众普遍认同的选拔方式。
4/5,2/3,3/5,16/29,()
A、SouthAfrica.B、EasternRussia.C、India.D、Congo.C短文说,最早的已知钻石于几个世纪前在印度被发现。所以C正确。选项都是国家或地区的名称,猜测题目可能问地点。边听边做笔记,把听到的国家或地区所出现的情况
最新回复
(
0
)