Most people have map apps on their phones that can show their locations and guide them to where they want to go. But how do these app systems know your _______ at any time or place? They find you by using satellite navigation (satnav) systems (卫星导航系统).
A satnav system uses groups of satellites to find the users locations. This location information is then sent to a _______, such as a smart phone.
The first satnav system is the Global Positioning System (GPS) (全球定位系统), which belongs to the United States. The system is the world’s _______ satnav system. But China’s satellites are important _______ improving the satnav system. Beidou, has overtake(超过)GPS in size, Japan’s Nikkei Asian Review reported.
China_______ Beidou’s first navigation satellite into space in 2000. China also became the _______ country to build a satnav system after the United States and Russia, People’s Daily reported. Over 30 _______ in Africa and the Middle East are _______ Beidou system right now.
With its world-leading technology, Beidou is leading Chinese people to a better life_______ playing important __________ in different areas, according to Xinhua News.
For example, over 6.2 million vehicles in China are using Beidou for navigation, according to a report on the Beidou system’s construction(建造)and development.
At the newly-built Beijing Daxing International Airport, Beidou has been used to keep track of(追踪)loading and unloading vehicles ________ and outdoors. When the ________ opens, each baggage cart has Beidou navigation equipment to help passengers get their luggage ____________
For a satnav system, the ________ of satellites is important for improving the system’s positioning accuracy(定位精度). The more satellites, the________ accurate the positioning is. The satellite navigation system is useful in many ways.
1.A.locations B.systems C.technology D.numbers
2.A.place B.receiver C.citizen D.country
3.A.famous B.careful C.important D.leading
4.A.with B.of C.to D.for
5.A.supported B.provided C.sent D.held
6.A.first B.second C.third D.fourth
7.A.roads B.cities C.countries D.provinces
8.A.using B.selling C.making D.showing
9.A.in B.on C.to D.by
10.A.games B.places C.roles D.parts
11.A.inside B.indoors C.outside D.outlooks
12.A.supermarket B.airport C.school D.shop
13.A.faster B.slower C.bigger D.smaller
14.A.time B.place C.quality D.number
15.A.one B.every C.more D.less
— Nobody will become a hero without the help of others.
— That’s true. ________.
A.Practice makes perfect B.Nothing is difficult if you put your heart into it
C.Where there is a will, there is a way D.One tree can’t make a forest
— Thanks for listening to my problems and giving me your advice.
—________.
A.With pleasure B.Yes, please. C.That’s right. D.It is my pleasure.
I often laugh when I see my grandma learning pop songs. But she says,“One is never________old to learn.’’
A.too B.so C.very D.quite
—Could you tell me _______? I’d like to take part in it.
—On July 5th.
A.when would the fashion show be held
B.when the fashion show will be held
C.where the fashion show would be held
D.where the fashion show will be held
________the students in our school are not from Jiangdu.
A.Two hundred B.Two hundreds C.Two hundred of D.Hundreds of