English 9 unit10looking back
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1 Complete the sentences using the prompts provided.
1. Vinasat-1 is Viet Nam’s first telecommunication
sa________,
which was launched in 2008.
tellite
2. Experiencing microgravity on a p________
________
arabolic
flight is
part of astronaut training programmes.
3. In 2015 NASA discovered an Earth-like planet which
might be ha________
because it has ‘just the right’
bitable
conditions to support liquid water and possibly
even life.
tach
4. On the ISS astronauts have to at________
themselves
so they don’t oat around.
5. It is cheaper to build an unmanned sp________
than
acecraft
the one that is manned.
6. One of the largest me________
teorites
found on Earth is the
Hoba from southwest Africa, which weighs about
54,000 kg.
