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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1454

When something is on fire, people throw sand on it to put out the fire. The main use of the sand is to _________.

A.protect the thing on fire
B.add weigh to the thing on fire
C.keep the air away from the thing on fire
D.lower the temperature of the thing on fire
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Whensomethingisonfire,peopleth