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
What are the speakers mainly discussing?
What are the speakers mainly discussing?
admin
2010-01-06
49
问题
What are the speakers mainly discussing?
W: Doctor White, we recently learned that a large piece of the Larsen lee shelf in Western Antarctica broke off in early January. Could you please tell us exactly what happened?
M: I’d be happy to. The piece that broke off was over a thousand square miles in area. More recently and quite alarming to scientists is that a forty-mile crack, some 30 feet wide in places has torn through the ice shelf.
W: I understand that the scientific community is quite concerned. What is the significance of these events?
M: Well, some scientists believe that this is a clear sign of global warming. Back in 1978, some American researchers predicted that Antarctica would show early signs of global warming due to the green house effect.
W: But couldn’t crumbling ice shelves also be a result of the unusual weather Antarctica itself has experienced lately?
M: That’s certainly possible, but you’ll have to remember that over the past thousands of years, ice shelves have been through a lot of weather changes without breaking up.
W: I think most people know that if the ice cap over Antarctica melts, the level of the oceans will rise. What sort of impact will this have?
M: Well, the ice shelves currently insulate the Antarctic continent from wind, which slows down the melting. If the winds cause even a tenth of the continent’s ice to melt, the world’s oceans could rise as much as 30 feet.
选项
A、They could be a sign of global warming.
B、They are disturbing Antarctic bird habitats.
C、They have destroyed research facilities.
D、They refute current scientific theories.
答案
A
解析
本题考查原因。根据原文“Well, some scientists believe that this is a clear sign of global warming.”可知选项A为正确答案。
转载请注明原文地址:https://kaotiyun.com/show/R56K777K
0
专业英语四级
相关试题推荐
PASSAGEONEWhatisthepassagemainlyabout?
A、OverseasstudentscanpracticeEnglishwithnativespeakers.B、Overseasstudentscansavemoney.C、Overseasstudentscancommu
PassageTwoWhatisthispassagemainlyabout?
PassageTwoWhatdidLeahMacleanmainlycomplainabout?
Whatistheprobablerelationshipbetweenthetwospeakers?
Whatistheprobablerelationshipbetweenthetwospeakers?
Themeetingwassoprolongedandexhaustingthat______thespeakersstoppedforrefreshments.
Thenewsismainlyabout_______.
Whatdoesthepassagemainlydiscuss?
随机试题
下列关于公文分类的说法正确的是()。
发展中国家实施贸易保护政策的理论依据之一是()
治疗阵发性室上性心动过速宜用:
血液中CO2的含量主要取决于
根据《企业破产法》的规定,下列有关债权人会议与管理人的表述中,正确的是()。
银行金融创新应以产品为中心,以市场为导向。()
(2015年卷一第30题)下述说法哪个是错误的?
教育行政部门应当在接到申诉书的次日起()日内,作出处理。
股票市场,国库券市场和企业债券市场是上海最大和最活跃的资本市场。这些市场的日趋活跃,表明上海金融体系越来越成熟,同时也看出上海企业正设法通过直接向群众借款的办法来克服信贷紧缩。它还说明,上海投资者越来越聪明。他们购买各种有价证券,从保值定期储蓄、国库券、股
Thefirstparagraphtellsthat______.InAmericansocietyyoungpeople______.
最新回复
(
0
)