According to the standard set by the urban water commission, the supply of water per person in an urban area should be about .
A. 120 litres per day
B. 140 litres per day
C. 160 litres per day
D. 135 litres per day
Answer:D
According to the standard set by the urban water commission, the supply of water per person in an urban area should be about .
A. 120 litres per day B. 140 litres per day C. 160 litres per day D. 135 litres per day