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
2024-01-21
58
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 doomed for the start
B、It turned out to be a disaster.
C、It was spoiled by one girl.
D、All the students enjoyed it.
答案
B
解析
录音开头提到:这三支探险队一开始的旅途非常愉快,但是,当沙尘暴袭来时,沙漠之旅变成了一场灾难。故B正确。
转载请注明原文地址:https://tihaiku.com/zcyy/3382912.html
相关试题推荐
[originaltext]M:So,canyouthinkofapersonthatyouadmiremost?W:Well,I
[originaltext]M:So,canyouthinkofapersonthatyouadmiremost?W:Well,I
[originaltext]M:Hello!Youseemworried.CanIhelpyou?W:Oh,Ifeelsostra
[originaltext]M:Hello!Youseemworried.CanIhelpyou?W:Oh,Ifeelsostra
[originaltext]W:Hey,Taxi!Ah,great.Thanksforpullingover.M:Whereto?W:
[originaltext]W:Hey,Taxi!Ah,great.Thanksforpullingover.M:Whereto?W:
[originaltext]W:Hey,Taxi!Ah,great.Thanksforpullingover.M:Whereto?W:
[originaltext]M:Hi,Ruby,haveyouheardthatthereisgoingtobearobotsho
[originaltext]M:Isthatamap?Areyougoingsailingorsomething?W:Iwish.[
[originaltext]M:Isthatamap?Areyougoingsailingorsomething?W:Iwish.[
随机试题
Peopleknewthenatureofwolfverywell.[br]Greywolvestakegoodcareofthe
根据通货膨胀的程度,可把通货膨胀划分为()。A.爬行式通货膨胀 B.温和式
下列哪些不属于肾脏的功能()A.原尿形成 B.水电解质平衡 C.调节血压
不易引起瘢痕的为哪型痤疮A.脓疱性痤疮 B.聚合性痤疮 C.寻常性痤疮 D
噬菌体在医学和生物学中有重要意义,其主要应用有A.噬菌体展示技术 B.细菌的鉴
成本效果分析法的特点是A.费用和结果均用货币表示 B.治疗结果须参考患者的生命
从功能分区角度看,国家公园主要分为()等。A.特别保护区 B.一般保护区
企业取得的下列各项收入中,应缴纳企业所得税的有( )。A.接受捐赠收入 B.
下列各项中,不属于违反国家统一的会计制度的行为的是()。A.甲公司未按照规定使
受吊销医师执业证书行政处罚,自处罚之日起不满2年的 A.从事医师执业活动
最新回复
(
0
)