举一反三
- The fresh water produces fresh water _______.
- Water, _____ enough, can change into vapor quickly
- Water of body are from（ ）。 A: the liquids we drink B: evaporation of water from the skin C: the foods we eat D: respiration of water vapor from the lungs E: recycled water in our bodies
- Most of the water vapor in the atmosphere is contained in which layer of the atmosphere A: Troposphere B: Tropopause C: Stratosphere
- The ingredient of atmosphere does NOT include ______. A: carbon dioxide B: dust particles C: water vapor D: sunlight
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Scientists figured out that human bodies are basically made of（） A: hydrogen, carbon, nitrogen, and oxygen atoms B: water vapor, ammonia, carbon dioxide, methane and hydrogen C: biomolecules and water D: evolutionary molecules
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在包装中放入一袋干燥剂以防止冷凝。 A: Put a bag of desiccant in the package to stop condensation. B: Put a bag of desiccant in the package to eliminate condensation. C: Put a bag of desiccant in the package to end condensation. D: Put a bag of desiccant in the package to halt condensation.
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Which of these anthropogenic greenhouse gases is the biggest contributor to net radiative warming? A: Methane B: Nitrous oxide C: Water vapor D: Carbon dioxide
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中国大学MOOC: Rubbish not only does harm to soil, water, and air, but also produces nearly four percent of the worlds greenhouse gases.
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⑧ PECVD 是指什么？ A: Plasma Enhanced Chmical Vapor Deposition B: Plastic Enhanced Chmical Vapor Deposition C: Pan Enhanced Chmical Vapor Deposition D: Plaster Enhanced Chmical Vapor Deposition