【Daily Topic】【HVAC Version 20160920】
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Participation reward: 2 Wealth. Reward for the correct answer: 9 Wealth. The harm caused by dust to the human body has nothing to do with ( ). A. Particle size B. The amount of dust that enters the body C. The nature of the dust D. The speed at which the dust moves. Correct answer: D
The harm of dust to the human body has nothing to do with (D). A, particle size; B, the amount of dust that enters the body; C, the nature of the dust; D, the speed at which the dust moves