Galileo will provide two _____; a standard civilian one and an encrypted , wide-band signal called the Public Regulated Service . This second signal is _____ to endure localized jamming and will be used by police and military services in Europe.
The first Galileo satellite is _____ to launch late in 2004. Clocks on board the satellites will be synchronized through 20 ground sensors stations, two command centers and 15 uplink stations.
Receivers on the ground will use time signals from the satellites to precisely calculate their _____. A =search and rescue function will also let distress signals be _____ through the constellation of satellites.
1 A set B represent C offer D indicate
2 A cooperate B install C prevent D protect
3 A off B with C in D up
4 A broadcast B launch C put D use
5 A ability B service C system D channel
6 A open B likely C different D precise
7 A getting B considering C orbiting D improving
8 A to B in C along D beside
9 A operational B complex C advanced D cheap
10 A correctly B ironically C strangely D primarily
11 A channels B signals C directions D functions
12 A brought B taken C designed D protected
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