_______ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.
#79673
A
Even if
B
As far as
C
If only
D
So long as
推荐题目
Constant practice has erased my accent to a point _____ people think I’m a native speaker.
#31087
A
that
B
which
C
in which
D
at which
Scientists say it will be five or six years __________ it is possible to test this medicine on humans.
#30743
A
after
B
before
C
since
D
when
Unlike watching TV, reading is a highly active process (过程) _______ it requires attention as well as memory and imagination.
#80167
A
until
B
but
C
unless
D
for
—When did your cousin begin to show his interest in medicine?—It was a Saturday ___ she noticed her uncle experimenting on a frog in his lab.
#34174
A
that
B
what
C
when
D
which
We expect her to do the housework as well _________ after the children.
#31614
A
as look
B
as looking
C
and look
D
Looking