Scientists are trying to find more ______ ways to make full use of solar energy
A、disrespectful
B、casual
C、efficient
D、punctual
A、disrespectful
B、casual
C、efficient
D、punctual
Scientists say it may be ten years______this medicine was put to use.
A.since
B.before
C.after
D.when
Up to now scientists have not found how to ______ patients of that disease.
A.cure
B.treat
C.deal with
D.get rid of
Scientists first______the idea of the atomic bomb in the 1930s.
A.competed
B.conceived
C.consumed
D.concealed
Scientists imagine such a change in weather on human population would be ______.
A.terrified
B.surprised
C.horrible
D.frightened
A.chronic
B.cautious
C.classic
D.comic
What's the attitude scientists toward atomic bomb? ______.
A.Pleased
B.Worried
C.Disapproved
D.Not mentioned
A.within
B.scientists have
C.out what
D.is
Many of the scientists and engineers are judged ______how great their achievements are.
A.in spite of
B.in ways of
C.in favor of
D.in terms of
Those scientists were conducting an experiment and expected a good______.
A.effect
B.result
C.consequence
D.affect
A.scares
B.frightens
C.threatens
D.fears