举一反三
- Energy conversion, which means the transformation of different energy forms, constitute the basic process of our energy usage.
- new energy vehicle ______
- The energy conversion can take place _______.
- Energy conversion efficiency (η) is the ratio between （ ）and （ ）.
- After they are produced from acetyl-CoA in the liver, ketone bodies are mainly used for which one of the following processes A: Excretion as waste products B: Energy generation in the live C: Conversion to fatty acids for storage of energy D: Generation of energy in the tissues E: Generation of energy in red blood cells
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______ is an energy form found in nature that has not been subjected to any human engineered conversion process. It is energy contained in raw fuels, and other forms of energy received as input to a system.( ) A: Premium energy B: Primary energy C: Principal energy D: Preliminary energy
- 1
The two Whip speakers are to analyze the motion from different perspectives and offer new arguments. _____
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______ is an energy form found in nature that has not been subjected to any human engineered conversion process. It is energy contained in raw fuels, and other forms of energy received as input to a system.
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Our energy needs will have to be fulfilled from ( ) A: depletable energy sources B: renewable energy sources C: the existing energy D: recycling energy
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Apparent metabolizable energy（AME）is the remaining energy after subtracting（ ）from the gross energy. A: Fecal energy B: Urine energy C: Metabolizable fecal energy D: Gas energy E: Endogenous urine energy