The impact of Einstein’s breakthrough in the field of photo electric effect ____ the understanding of the universe was simply tremendous.
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A
in
B
on
C
with
D
about
推荐题目
There were a lot of people standing at the door and the small girl couldn’t get _______.
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A
between
B
through
C
across
D
beyond
The two top students in Mr. Green’s class competed _____ each other for the highest marks.
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A
to
B
for
C
in
D
against
