_______ 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
China is developing fast. That's ________ I think those of my colleagues who deal with China affairs should visit China.
#30407
A
because
B
why
C
when
D
how
They had kept working for several weeks everything was in order.
#31661
A
before
B
after
C
since
D
unless
____ to America, her parents have not heard from her.
#79879
A
Because she went
B
After she went
C
When she went
D
Since she went
Granny read newspaper every day in her sixties _____ she could keep herself informed of the latest news.
#31920
A
so that
B
in case
C
even though
D
as if