There’s no way of knowing why one man makes an important discovery ___ another man, also intelligent, fails.
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A
since
B
if
C
as
D
while
推荐题目
The opening between the rocks was very narrow, but the boys managed to _______ through.
#13552
A
press
B
squeeze
C
stretch
D
leap
The nine-hour college entrance examination is taken just once a year and is virtually the sole determinant of _______ to all Chinese colleges and universities.
#10740
A
permission
B
concession
C
admission
D
expression
_________ the progress of science and technology, the discomfort of old age will no doubt always be with us.
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A
As for
B
In addition to
C
Except for
D
In spite of
This language training programme ____ teenagers who want to go abroad to study.
#13336
A
accounts for
B
cares for
C
makes up for
D
caters for