题目内容
() 5. They took moon rocks back to Earth for study.
A. farther B. step by step C. further D. far away
5.C
5.C (句意:他们把月球岩石带回地球做进一步研究。farther意 为“更远”，侧重于距离;further.意为“更深”，侧重于程度.)
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题目内容
() 5. They took moon rocks back to Earth for study.
A. farther B. step by step C. further D. far away
5.C (句意:他们把月球岩石带回地球做进一步研究。farther意 为“更远”，侧重于距离;further.意为“更深”，侧重于程度.)