首页
登录
职称英语
[originaltext] For three groups of explorers formed by college students and
[originaltext] For three groups of explorers formed by college students and
游客
2024-01-31
35
管理
问题
For three groups of explorers formed by college students and young white collars, it started out as a wonderful trip. They were enjoying themselves exploring the Inner Mongolian desert. [22]But when the sandstorm came, the trip became a disaster.
The drama unfolded during the May Day holiday. One girl did not make it before the students were rescued. The group was eventually found with the help of a GPS receiver.
GPS, or global positioning system, is a satellite-based navigation system made up of a network of 24 satellites. It was originally created for military use by the US in 1980s but is now available for civilian use. GPS works in any weather conditions, anywhere in the world, 24 hours a day. And the [24]service is free.
GPS satellites circle the earth twice a day and transmit signals and information to the earth. GPS receivers take this information and calculate the user’s exact location. A GPS receiver must be locked on to the signals of at least three satellites to calculate the latitude and longitude of its location. With four or more satellites in view, the receiver can determine the user’s altitude. [25]Once the user’s position has been determined, the GPS receiver can calculate other information, such as speed, direction, distance to destination, and a whole lot more.
22. What is true about the trip made by the young people?
23. What is the main topic of the passage?
24. Which of the following is true about the GPS?
25. What must be determined first before the GPS receiver can calculate other information?
选项
A、It was created mainly for scientific research.
B、It works better in fine weather conditions.
C、It must be located on at least three satellites.
D、Its service is free of charge.
答案
D
解析
考查对细节的记忆,符合短文听力“听到什么选什么”的解题原则,答案为D。A错在scientific re-search,应为military use;GPS在任何天气情况下都一样起作用,故B错;C中的指代有误,主语若是A GPSreceiver才与原文相符,故也排除C。
转载请注明原文地址:https://tihaiku.com/zcyy/3409232.html
相关试题推荐
[originaltext]Whenasleepydriverhastroublewithkeepinghiseyesontheroa
[originaltext]Whenasleepydriverhastroublewithkeepinghiseyesontheroa
[originaltext]Whenasleepydriverhastroublewithkeepinghiseyesontheroa
[originaltext]M:I’mjustgoingdowntothestoretobuysomecigarettes.Doyo
[originaltext]M:I’mjustgoingdowntothestoretobuysomecigarettes.Doyo
[originaltext]M:I’mjustgoingdowntothestoretobuysomecigarettes.Doyo
[originaltext]M:I’mthinkingofmovingnearertotheuniversity.Doyouthink
[originaltext]M:I’mthinkingofmovingnearertotheuniversity.Doyouthink
[originaltext]M:I’mthinkingofmovingnearertotheuniversity.Doyouthink
[originaltext]M:ProfessorJohnson’slectureissoboring.Idon’tthinkit’su
随机试题
TherearesomanydressestherethatIreallydon’tknow______tochoose.A、wheth
TheBeautyAdvantageMostofushaveheardthes
Trafficlightsarecrucialtoolsforregulatingtrafficflow.Theyarenot,
Itwasagoodgame,andattheendthe______wasArgetina2,England1.A、accoun
[originaltext]IKEAisworkingwithBoKlokUKtobepartofarevolutionin
灭菌后的内镜应当进行生物学监测并做好监测记录,其监测记录的频度是A.每日进行一次
入侵是指没有经过授权就非法获得系统的访问权限或相关授权的行为,其中攻击者利用默认
波特认为有5种力量决定了行业竞争程度和吸引力,以下属于这5种力量的有()。
某省甲市一个月后将举办重大国际性赛事。按省公安厅指令,各地市公安机关立即启动“三
(2016年真题)下列关于成熟阶段行业特点的说法中,正确的有()。A.产品
最新回复
(
0
)