________ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.
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A
Even if
B
As far as
C
If only
D
So long as
推荐题目
Read this story, _______ you will realize that not everything can be bought with money.
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A
or
B
and
C
but
D
so
This is a difficult and stressful job, but one _____ you can really help people.
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A
that
B
where
C
which
D
of which
Tom, I know you are independent and needn’t any money but I think that you might just as well bring some just______.
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A
in case
B
in the end
C
in order
D
once again
The concert _______ many foreign students were invited was a feast for the eyes.
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A
for which
B
to which
C
in which
D
on which
_____ you keep on working hard, I don’t mind whether you get good marks in your class.
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A
As long as
B
As soon as
C
As well as
D
as far as