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has the highest energy content of all known conventional fuels (by weight). It has almost 3 times more energy content by mass than .
选项：

A:Oxygen, fossil fuels
B:Hydrogen, oil
C:Oxygen, gasoline
D:Hydrogen, gasoline

发布时间：2024-05-14 16:59:10

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相关试题

1.______ has the highest energy content of all known conventional fuels (by weight). It has almost 3 times more energy content by mass than ______.选项： A:Hydrogen, gasoline B:Hydrogen, oil C:Oxygen, fossil fuels D:Oxygen, gasoline
2.______ has the highest energy content of all known conventional fuels (by weight). It has almost 3 times more energy content by mass than ______.
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4.Fill in the Blank: Of the three fossil fuels, ______ has the highest CO2 emissions content per unit of energy. A: Oil B: Gas C: Solar D: Coal
5.Fill in the Blank: Of the three fossil fuels, ______ has the highest CO2 emissions content per unit of energy. 选项： A、Oil B、Gas C、Solar D、Coal
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7. Most energy is produced by the burning of fossil fuels, like coal, oil and gas, which release _____. 选项： A: carbon dioxide, a greenhouse gas B: oxygen that no one is able to get by without C: methane gas D: sulfur dioxide
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13.In the Big Bang, which two elements were formed?选项： A:Hydrogen and oxygen; B:carbon and oxygen; C:Nitrogen and hydrogen; D:Hydrogen and helium
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______ has the highest energy content of all known conventional fuels (by weight). It has almost 3 times more energy content by mass than ______.选项： A:Oxygen, fossil fuels B:Hydrogen, oil C:Oxygen, gasoline D:Hydrogen, gasoline

has the highest energy content of all known conventional fuels (by weight). It has almost 3 times more energy content by mass than .
选项：

A:Oxygen, fossil fuels
B:Hydrogen, oil
C:Oxygen, gasoline
D:Hydrogen, gasoline