YDS YARIM CÜMLE / TEST 6 40. Soru

Bu Testin Birincisi Morning

100 %

40.

- Astronauts are subjected to all kinds of
tests ----.

when they stayed in a zero-gravity
environment for a long time

as soon as they started to experience
space sickness in space

as they had been exposed to radiation

after those most physically and mentally fit
had been selected

before they are actually sent up in a
spacecraft