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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:1123
题文

Many people have fully realized it's important to keep __________ balance of __________ nature. Otherwise, humans will be punished by it.

A.a; the B.the; the
C.the; / D./; /
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Manypeoplehavefullyrealizedits