A serious study of physics is impossible________some knowledge of mathematics.(2013·大纲全国，31)
#25263
A
against
B
before
C
beyond
D
without
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______ giving up, he went on with his research,got his PhD and married the girl.
#28974
A
Without
B
Except
C
Instead of
D
But for
I feel sure that qualification, ability and experience, you are well suited to the position we have in mind.
#27365
A
in need of
B
in spite of
C
by means of
D
in terms of
Sending Sandra a letter was ________，because her husband might intercept (截取) it.
#26425
A
out of question
B
out of the question
C
in question
D
of question
Pleasant music is often played_____classes to make students refreshed and relaxed for a while.
#28721
A
between
B
among
C
over
D
after