中国大学MOOC: Much of the new gas is coming from what were once called “unconventional” sources, such as the shale gas.
non-traditional
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举一反三
- Much of the new gas is coming from what were once called “unconventional” sources, such as the shale gas. A: irregular B: unusual C: indifferent D: non-traditional
- The role and position of unconventional oil and gas resources in global oil and gas production are becoming more and more important. Which of the following are unconventional oil and gas resources? A: Tight rock oil and gas B: Mud shale oil and gas C: Coalbed methane D: Oil shale E: Oil sands F: Natural gas hydrate
- __________ is natural gas that is found trapped within shale formations. It has become an increasingly important source of natural gas in the United States since the start of this century. A: Methane B: Shale gas C: Coal gas
- 中国大学MOOC: When you buy gas, you should tell the attendant whether you want unleaded, regular or premium gas.
- 中国大学MOOC: Laboratory-based efforts are attempting to make new forms of energy while mopping up carbon dioxide, an unwanted greenhouse gas, from the atmosphere.
内容
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The gas mask can ______ you against poison gas.
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Electricity, gas and water were considered to be natural ______.
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Coal, oil and natural gas are __________ and __________. A: clean ... recyclable B: renewable resource ... unconventional energy C: non-renewable resource ... conventional energy
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How far is the gas station from here?
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中国大学MOOC: CO2 酸性气体,遇水生成碳酸,腐蚀管壁;影响天然气热值。Acid gas, contact with water to form carbonic acid, corrosion tube wall; Affects the calorific value of natural gas.