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单选

Everything we eat and drink contains some salt; we can meet the body‘ s need for it from natu- ral sources without turning __________the salt bottle.

  • A.up
  • B.To
  • C.on 
  • D.over
试题出自试卷《2015年成人高考学士学位英语最后冲刺试题(1)》
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