举一反三
- 4．— Did you have anyone ______the trees? —Yes，l had the trees ______． A． to water ;water B． to water; watered C． water ; to be watered D． water; watered
- Underground water supplies about（） A: 80% of Australia’s water B: 48% of Australia’s water C: 18% of Australia’s water D: 80% of Australia’s water
- There is a lot of_____in the bottle. A: water B: waters C: water's D: the 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
- The water used in the ship's sanitation system is generally _____. A: low temperature fresh water B: high temperature fresh water C: water produced by water generator D: seawater
内容
- 0
What are the benefits of solar water heaters? A: It needs larger homes. B: Paying no cost for yearly water energy consumption C: The cost of installation is only a few hundred US dollars. D: It's hard to install.
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About 3% of the world's water is fresh water
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What water is used in the production of injection A: pure water B: purified water C: water for injection D: sterile water for injection
- 3
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
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The volume of the water flow and the change in _____ from one point to another determine the amount of available energy in moving water.( ) A: water flow B: fall C: water speed D: elevation