A: surface water
B: ground water
C: distilled water
D: oil polluted water
举一反三
- What water is used in the production of injection A: pure water B: purified water C: water for injection D: sterile water for injection
- Which one is not the major facility of water injection station: A: high-pressure pump system for improving injection pressure B: Christmas Tree C: flowmeter for measuring water rate D: the surface network for flowing in and out
- 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
- According to the distribution of oil, gas and water, the water at the edge of containing edge is called (). A: External water B: Bottom water C: Edge water D: Edge bottom water
- A spring is an area on the surface of the Earth where the water table intersects the surface and water flows out of the ground, while a well is human-made hole that is dug or drilled deep enough to intersect the water table.
内容
- 0
Painting in oil is harder than（） A: water colours B: in water colours C: paint in water colours D: painting in water colours
- 1
Water treatment process for unpolluted surface water contains: influent, coagulation, ______ , ______ , disinfection, water supply network. (only one word for each blank)
- 2
which water is more expensive? A: bottled water B: tap water
- 3
Which of the following conditions indicates the dilution of diesel engine lube oil by fuel oil?（） A: Water discharging from the water outlet of the lube oil purifier B: Fuel oil discharging from the water outlet of the lube oil purifier C: Lube oil discharging from the water outlet of the lube oil purifier D: A change in the lube oil viscosity
- 4
The best irrigation water is river water, pond water and lake water A: 正确 B: 错误