He is famous _____the field of biology, but he is more known _____an environmentalist..
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A
for, for
B
in, for
C
in, as
D
in, as
推荐题目
Hollande is a modest and calm person, while Sarkozy, _________，is known to be loud and aggressive(好斗的).
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A
by design
B
by contrast
C
by nature
D
by chance
Many famous hospitals are competing _____ an excellent doctor, who came from the USA last week.
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A
to
B
in
C
for
D
with
Ladies and gentlemen, I have the great privilege____ introducing our speaker for tonight.
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A
in
B
of
C
about
D
on