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
A、No melting has been observed. B、The past several winters have been unusually severe. C、Nothing unusual has happened in other p
A、No melting has been observed. B、The past several winters have been unusually severe. C、Nothing unusual has happened in other p
admin
2017-02-13
44
问题
W: Doctor White, we recently learned that a large piece of the Larsen Ice 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.
Questions 8 and 11 are based on the conversation you have just heard.
8. What has broken off in early January?
9. Why are the events important?
10. Why doesn’t the woman believe that weather is responsible for the recent events?
11. What would be the likely result of the melting of the ice cap?
选项
A、No melting has been observed.
B、The past several winters have been unusually severe.
C、Nothing unusual has happened in other parts of Antarctica.
D、The ice shelf had remained intact for centuries despite the weather
答案
D
解析
本题考查原因。根据原文“…over the past thousands of years,ice shelves have been through a lot of weather changes without breaking up.”可以得知,他认为在过去几千年里,气候也发生过剧烈的变化,但都没有引起冰山的融化。故选项D为正确答案。
转载请注明原文地址:https://kaotiyun.com/show/iJi7777K
0
大学英语四级
相关试题推荐
A、Continueherhardwork.B、Haveabreak.C、Enjoyherlife.D、Pursuefurtherstudy.A工作商务类,行动计划题。男士建议女士不要对自己这么苛刻,工作之余应注意休息;女士说目前
Winterinmanyplacesmeansiceskating,sleddingandsnowballfights.Butunlesssomeoneisprepared,outdoorfuncanalsomean
There’snothingliketheinstinctiveroarofthecrowdwhenthousandsofpeopleallsing,orshouttogether.Buttranslatingtha
A、Theyhelplittleinfindingwell-paidjobs.B、Theycanensuregoodjobsforcollegestudents.C、Theyareimportantingetting
Companiesaroundtheglobehaveworktodotoimproveworkersatisfaction,becausethreeintenemployeessaytheirworkplaceis
A、Aguest.B、Agrocer.C、Asalesman.D、Awaiter.D抓住关键词是解答人物身份题的关键所在。本题的关键词是dinnerorder,由此可知答案为D。
A、Athome.B、Inarestaurant.C、Inacar.D、Onthestreet.D关键是要听到动词,walk以及“去街对面的餐馆”,可知他们正走在大街上。预读选项可知,本题是地点题。解答此类题,关键在于理解相应的地点名
Memoryisourmostimportantpossession.Withoutmemory,youwouldn’tknowwhoyouare.Youcouldn’tthinkaboutthepastorpla
Sincewearesocialbeings,thequalityofourlivesdependsinlargemeasureonourinterpersonal(人与人之间的)relationships.Onestr
Backintheday,agoodreportcardearnedyouaparentalpatontheback,butnowitcouldbemoneyinyourpocket.Experiments
随机试题
HIV的传播途径有
体外循环手术病人术前应当停用的药物包括
不易透过血脑屏障,无明显中枢抑制作用的氏受体阻断剂是()
A、平肝潜阳,制酸止痛B、平抑肝阳,柔肝止痛C、疏肝理气,调经止痛D、理气和胃,祛寒止痛E、疏肝下气,散寒止痛牡蛎的功效有
A、司可巴比妥B、异戊巴比妥C、麦角胺D、士的宁E、可卡因;根据《麻醉药品和精神药品品种目录(2007年版)》按第二类精神药品管理的是
根据《企业所得税法》规定,符合企业的小型微利企业,可以按较低的税率征收企业所得税,该税率是()。
财产所有人将财产赠给政府、社会福利单位、学校等所有事业单位所立的书据免征印花税。()
根据下列资料,回答问题。2013年,全国城镇非私营单位就业人员年平均工资增长率最高的行业是:
设栈的顺序存储空间为S(1:m),初始状态为top=0。现经过一系列正常的入栈与退栈操作后,top=m+1,则栈中的元素个数为
Thepatient,accordingtotheanalyst’sreport,is
最新回复
(
0
)