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
When early explorers sailed round the world, they use the stars to show【M1】________ them their position.Now drivers can use sate
When early explorers sailed round the world, they use the stars to show【M1】________ them their position.Now drivers can use sate
admin
2021-03-09
34
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.
【M8】
选项
答案
去掉by
解析
转载请注明原文地址:https://kaotiyun.com/show/Z9AK777K
本试题收录于:
C类竞赛(非英语专业本科)题库大学生英语竞赛(NECCS)分类
0
C类竞赛(非英语专业本科)
大学生英语竞赛(NECCS)
相关试题推荐
Roadpolitenessisnotonlygoodmanners,butgoodsensetoo.Ittakesthemostcool-headedandgood-temperedofdriversto【C1】_
Roadpolitenessisnotonlygoodmanners,butgoodsensetoo.Ittakesthemostcool-headedandgood-temperedofdriversto【C1】_
Roadpolitenessisnotonlygoodmanners,butgoodsensetoo.Ittakesthemostcool-headedandgood-temperedofdriversto【C1】_
Roadpolitenessisnotonlygoodmanners,butgoodsensetoo.Ittakesthemostcool-headedandgood-temperedofdriversto【C1】_
Roadpolitenessisnotonlygoodmanners,butgoodsensetoo.Ittakesthemostcool-headedandgood-temperedofdriversto【C1】_
Whenearlyexplorerssailedroundtheworld,theyusethestarstoshow【M1】________themtheirposition.Nowdriverscanusesate
随机试题
A.心力衰竭B.中毒性脑病C.中毒性肠麻痹D.酸中毒E.DIC肺炎患儿呼吸困难忽然加重,心率增快,肝脏迅速增大
投标文件对招标文件的响应有细微偏差,包括()。
根据我国的有关规定,有()情形的,经批准可以进行邀请招标。
灌浆压力大于()MPa的固结灌浆,灌浆孔应分段进行灌浆。
某厂采用GB/T2828.1验收系列连续批元件,需要对该元件的A、B类质量特性进行抽样检验。双方规定,选用一次抽样,每批N=275件。A、B类的检验水平均为Ⅲ。先从正常检验Ⅲ开始,并按转移规则随时进行严格度调整。根据确定的抽样方案,按分层随机抽样法抽样并检
根据2002年欧盟各国CDP值比例图,西班牙的排名为()。德、法、英三国GDP总量占欧盟GDP总量的()。
根据下表回答问题
Superiorcustomerservicecanbeanessentialsourceofstrengthascompaniesemergefromtherecession,butmanagersneedtoun
A、 B、 C、 B(A)一般同意对方意见的时候使用,不能回答特殊疑问句。(B)该题询问工作时间,回答说自从公司成立后就在这里工作,所以正确。(C)如果只看到howlong回答,可能会选这项,但是询问的是时间,所以错误
Treesareusefultomaninthreeveryimportantways:theyprovidehimwithwoodandotherproducts;theygivehimshade;theyh
最新回复
(
0
)