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choose the correct answer
1- the more people want to do something.the ......................... it will become
a) more expensive b) cheapest c) more cheap d) cheaper
2-people have always wanted to ,,,,,,,,,,,,,,,, their universe
a)invent b) orbit c)launch d )explore
3- i asked the manager if there was an ,,,,,,,,,,,,,,,,,,,,,,,,, of work contract
a)availability b) available c)vacant d)responsibility
4-the police carried out .................... checks at the airport yesterday
a)weightless b) security c) gravity d) walking
5-astronauts work in ,,,,,,,,,,,,,,,,, conditions
a) gravity b) wireless c) airless d) weightless
6-people can use public ................. to help reduce heavy traffic
a) transport b) communication c ) transparent
7-the moon was the first visited by the soviet .............. luna 2 in 1965
a) space station b) satellite c) spacecraft
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