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E9-B1-UNIT 10
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The concert was [ out of this world/ over the moon] . It was an awesome experience.
out of the world
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Okay!
A [galaxy / colony / spacecraft] will be started where people will live on Mars.
COLONY
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Okay!
Do you know the reason[ when/ which/ why]humans are interested in Mars and other planets in thesolar system?
why
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A { GALAXY/ SOLAR SYSTEM } is an enormous system of stars in outer space.
Galaxy
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I passed all my exams - I’m [ over the moon/ once in a blue moon]!!
over the moon
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On January 28, 1986 the space shuttle Challenger was launched with a (1) [ crew/ mission] of seven on board
crew
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To walk on the moon,the astronauts had to carry a suitcase [ which/ it/ where]contained oxygen .
which
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He’s so brilliant and he can do anything - [once in a blue moon/ the sky’s the limit ] .
the sky’s the limit
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Yuri Gagarin became the first person to eat and drink in [weightless/ microgravity/ specific gravity]
microgravity
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Aircraft flying in[ oval/ parabolic/ straight] arcs create microgravity for tests and simulations that last 20-25seconds.
parabolic
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At night the ISS can easily be seen from the Earth, as it flies at the[ attitude/ altitude/ height] of 320 kilometres above us.
altitude
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Okay!
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