首页
登录
职称英语
When early explorers sailed round the world, they use the stars to show【M1
When early explorers sailed round the world, they use the stars to show【M1
游客
2024-08-13
6
管理
问题
When early explorers sailed round the world, they use the stars to show【M1】________
them their position.Now drivers can use satellite navigation systems,【M2】________
satnavs for short, to tell them their route in exact the same way.The【M3】________
only difference is that satnavs use artificial stars-satellites.
There are more then 20 satellites in the Global Positioning System【M4】________
(GPS) .The GPS satellites are about 20, 000 kilometers on the Earth.【M5】________
They have atomic clocks which tell the time to an accurate of one second【M6】________
in 300,000 years.
The satnav compares the positions three or four satellites and works【M7】________
out exactly where it is.It does this several times by a second and is usually【M8】________
accurate to 20 meters anywhere in the world.But the satnav user need to【M9】________
give it accurate informations.Drivers sometimes get lost and end up in the【M10】________
wrong street, the wrong town, or even the wrong country. [br] 【M6】
选项
答案
accurate→accuracy
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3718494.html
相关试题推荐
Whenearlyexplorerssailedroundtheworld,theyusethestarstoshow【M1
Whenearlyexplorerssailedroundtheworld,theyusethestarstoshow【M1
Whenearlyexplorerssailedroundtheworld,theyusethestarstoshow【M1
Whenearlyexplorerssailedroundtheworld,theyusethestarstoshow【M1
Whenearlyexplorerssailedroundtheworld,theyusethestarstoshow【M1
Whenearlyexplorerssailedroundtheworld,theyusethestarstoshow【M1
Inthelate15thcentury,ChristopherColumbus,anItaliannavigator,sailedacr
Thereseemedlittlehopethattheexplorers,______intherainforest,wouldfin
______,explorerscouldneverhavefoundthecave.A、Butforthefissurehadbeen
Theexplorersweretrudgingacrossafrozenwaterwaywhensuddenlytheicebegan
随机试题
他的成功比人们先前预料的要快很多。Hissuccesscamesoonerthanwaspredicted.汉语里“先前预料的”是约定俗成的习惯说法
Pleasekeepadetailed______oftheworkthatyouhavedone.A、paperB、ideaC、ex
一个是上课的时候有块石头砸进来了,你怎么办?
咳声如犬吠,伴有声音嘶哑、呼吸困难多见于A、白喉 B、顿咳 C、百日咳
(2017年真题)对于信托(契约)型股权投资基金的而言,基金份额的转让涉及(
公民的基本权利也称()。A、法律权利 B、民主权利 C、法定权利 D、宪
关于货币的时间价值,下列表述正确的有()。 Ⅰ.现值与终值成正比例关系 Ⅱ
某公司在北京成立分公司,王先生被聘为总经理,随着分公司的发展,王先生决定提拔一名
自动化仪表不锈钢管路安装固定时,不应与( )材料直接接触。A.黄铜 B.木质
预制混凝土板水平运输时,叠放不宜超过()。A.3层 B.4层 C.5层 D
最新回复
(
0
)