When something is on fire, people throw sand (沙子) on it to put out the fire. The main use of the san

题目简介

When something is on fire, people throw sand (沙子) on it to put out the fire. The main use of the san

题目详情

When something is on fire, people throw sand (沙子) on it to put out the fire.
The main use of the sand is to _____.
[     ]
A. protect the thing on fire
B. add weight to the thing on fire
C. keep the air away from the thing on fire
D. lower the temperature of the thing on fire
题型:单选题难度:中档来源:模拟题

答案

C

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