选择最佳译文：5.科学是讲求实际的。科学是老老实实的学问，来不得半点虚假，需要付出艰巨的劳动。

选择最佳译文：5.科学是讲求实际的。科学是老老实实的学问，来不得半点虚假，需要付出艰巨的劳动。
A.Science deals with things in a practical way.Science means honest，solid knowledge， allowing not an iota of falsehood.and it involves Herculean efforts and grueling toil.
B.Science stresses reality.Science is honest learning， allows not an iota of falsehood and needs hard work.
C.Science stresses reality.Science is honest knowledge.Free from falsehood， and it needs Herculean efforts and grueling toil.
D.Science stresses practice.Science is honest knowledge.Free from falsehood， and it needs Herculean efforts and grueling toil.
正确答案：Science deals with things in a practical way.Science means honest，solid knowledge， allowing not an iota of falsehood.and it involves Herculean efforts and grueling toil.