________ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.
#30263
A
Even if
B
As far as
C
If only
D
So long as
推荐题目
―I’ve already made up my mind.―________, there’s no point discussing it now.
#80149
A
In case
B
In that case
C
On the case
D
As the case may be
I was wondering what to do with my car which won't start ________ a kind man offered to help.
#30256
A
while
B
and
C
so
D
when
I had walked a few steps _______ I realized that I was lost in the thick fog.
#80162
A
unless
B
Before
C
When
D
since
__________ he is old, the old man still insists on studying at a night school.
#33830
A
If
B
Although
C
When
D
Because
Many of them turned a deaf ear to his advice, ________ they knew it to be valuable.
#32570
A
as if
B
now that
C
even though
D
so that