Найдите в тексте синонимы и антонимы к данным словам.
Синонимы:
consideration – serious thinking
last – final
some – certain
beginning – a starting point
understandable – clear
to unite – to combine
to think (about) – to consider
to need – to require
joyful – cheerful
quiet – patient
manage – to do successfully
associated – connected
to get ready – to prepare
difficult – hard
Антонимы:
to encourage – to discourage
long – short
sciences – arts
social – unsocial