题目内容
_____ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.
A. Even if B. As far as C. If only D. So long as
A
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题目内容
_____ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.
A. Even if B. As far as C. If only D. So long as
A
20
|