According to The Environmental Quality Standards for Surface Water introduced in 2002, water at Grade V is______. ( )
A: unusable
B: the best
C: for industry usage
D: for agriculture and general landscape usage
A: unusable
B: the best
C: for industry usage
D: for agriculture and general landscape usage
举一反三
- According to The Environmental Quality Standards for Surface Water introduced in 2002, the best water quality is at _________. ( ) A: Grade I B: Grade V C: Grade IV D: Grade VI
- What other changes were they trying to make in addition to becoming more economical with power and water usage
- 2.What are the two general levels of usage for language?
- Which one is not the common source of injection water: A: surface water B: ground water C: distilled water D: oil polluted water
- When practicing at the water's edge, one should (). A: surface water B: back to the water to practice C: Practice side to water D: Practice away from the water