【单选题】
Parts of my childhood are so _________ to me that they could be memories of yesterday.
①
prim
②
vivid
③
boring
④
tedious
【单选题】
Adult schools have become popular and the enrollment has_________ rapidly.
①
increase
②
increases
③
increased
④
increasing
【单选题】
What do the following examples indicate? Big, huge; enormous, immense; male, masculine .
①
synonyms
②
antonyms
③
hyponyms
④
collocations.
【单选题】
The ____ of AIDS has led to an expansion in research seeking a cure.
①
innovation
②
selection
③
proliferation
④
conviction
【单选题】
In the meantime, the question facing business is whether such research is _____ the costs.
①
worth
②
worth of
③
worthy
④
worthwhile
【单选题】
This is a _____ moment for our research. We should be careful.
①
critical
②
belt
③
conscience
④
copper
【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 often more difficult to find trained men than ____ for scientific research.
①
getting financial support
②
to getting financial support
③
to get financial support
④
in getting financial support
【单选题】
The research results show that the earth goes a little faster ____ it is closer to the sun.
①
when
②
so that
③
than
④
as if