1.

The recommended volume for a public lecture hall is ___________

A. 1.5-2.5 m3 per person
B. 2.5-3.5 m3 per person
C. 3.5-4.5 m3 per person
D. 5.5-6.5 m3 per person
Answer» D. 5.5-6.5 m3 per person


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