【单选题】
Some universities offer free, non-credit MOOCs __________ to anyone in the world.
①
useful
②
available
③
easy
④
careful
【单选题】
Some universities offer free, non-credit MOOCs __________to anyone in the world.
①
useful
②
available
③
easy
④
hard
【单选题】
They are living with their parents for the moment because their own house __________.
①
is being rebuilt
②
has been rebuilt
③
is rebuilt
④
has rebuilt
【单选题】
Global warming threatens the _______ of the whole human race.
①
summit
②
superiority
③
survival
④
status
【单选题】
It is dangerous to ______ outdated(过时的) ideas and theories.
①
cling to
②
strive for
③
run through
④
resort to
【单选题】
Eeveryone is working harder and living a happier life now, _________ ?
①
arent they
②
arent we
③
isnt it
④
isnt one
【单选题】
The research findings indicate that human ( ) develops rapidly in childhood.
①
intellect
②
intelligence
③
thoughts
④
gifts
【多选题】
She expressed her opinions_____________ change their ideas.
①
so that
②
so as to
③
in order to
④
in order that
【单选题】
To their credit the Department of Energy _____these ideas and funded a detailed study.
①
took over
②
took on
③
took up
④
took to