首页
登录
职称英语
[originaltext]Not, long ago, some of you may have read about the team of mounta
[originaltext]Not, long ago, some of you may have read about the team of mounta
游客
2024-03-04
31
管理
问题
Not, long ago, some of you may have read about the team of mountain climbing scientists who helped to recalculate the elevation of the highest mountain in the world, Mount Everest. Of course the elevation of Mount Everest was determined many years ago using traditional surveying methods. But these scientists wanted to make a more pre else measurement, using a new method that takes advantage of recent advances in technology; it’s called the Global Positioning System. The Global Positioning System uses 24 satellites that circle the earth. Each of the satellites is constantly sending out signals, and each signal contains important information that can be used to determine the longitude, latitude and elevation at any point on the earth’s surface. Well in order to use the system to calculate a mount of Everest’s elevation, scientists need to put a special receiver on the summit to receive signals from the satellites. The problem with this was that in the past, the receivers were much too heavy for climbers to carry. But now these receivers have been reduced to about the size and weight of a hand held telephone, so climbers were able to take the receiver to the top of the Everest, and from there, to access the satellite system signals that would allow them to determine the precise elevation. And it turns out that the famous peak is actually a few feet higher than us previously thought.
选项
A、The advantages of traditional surveying methods.
B、Using satellites to communicate with mountain climbers.
C、Obtaining new information about a mountain.
D、Controlling satellites from the top of a mountain.
答案
C
解析
What is the talk mainly about?
主旨题。解答此题的关键是把具体复杂的表达(recalculate the elevation of the highest mountain)转换成简单概括的表达(Obtaining new information about a mountain)。
转载请注明原文地址:https://tihaiku.com/zcyy/3503986.html
相关试题推荐
[originaltext]Studentswhostruggledearlyonwithbasicreadingandmaths
[originaltext]W:OK,John,youweresayingthatyoutaughtwritinginAmerica,
[originaltext]W:OK,John,youweresayingthatyoutaughtwritinginAmerica,
[originaltext]W:Jason,actuallyI’mgoingtoEnglandthissummer.M:Really?
[originaltext]I’dliketolookatavitalaspectofe-commerce,andthatis
[originaltext]I’dliketolookatavitalaspectofe-commerce,andthatis
[originaltext]The2010GlobalHungerIndexreportwasreleasedtodaybythe
[originaltext]The2010GlobalHungerIndexreportwasreleasedtodaybythe
[originaltext]Moderator:Hello,ladiesandgentlemen.Itgivesmegreat
[originaltext]Moderator:Hello,ladiesandgentlemen.Itgivesmegreat
随机试题
In1810Gallpublishedtheneuroanatomist’smanualAnatomie,correla
[originaltext]Requestingsomeone’sbusinesscardisastraightforwardproce
________,whowereFrench-speaking,achievedthefinalunificationofEngland.A、
患者,女性,48岁,8月初由外地来京探亲,因“发热、头痛5天,神志不清2天”于9
下列选项,不属于器乐作品的是。( )A.独奏 B.重奏 C.重唱 D.合
根据企业风险管理基本框架八个方面的内容,基金管理人要求公司基金经理与特定资产管理
共用题干 TheGreatNewspaperWarUpuntilab
材料二:2018年上半年,我国经常账户逆差1801亿元,资本和金融账户顺差424
(2018年真题)下列各项中,应通过管理费用核算的是( )。A.预计产品质量保
苯丙酮尿症(PKU)的遗传方式是A.常染色体隐性遗传 B.X-连锁显性遗传
最新回复
(
0
)