_____thecalculationisright,scientistscanneverbesurethattheyhaveincludedallvariablesandmodeledthemaccurately.
A.Even if B.As far as C.If only D.So long as正确答案A
_____thecalculationisright,scientistscanneverbesurethattheyhaveincludedallvariablesandmodeledthemaccurately.
A.Even if B.As far as C.If only D.So long as正确答案A