In terms of equivalent calorific value, the lowest price among coal, oil, natural gas and renewable energy is ( ).
A: oil
B: coal
C: renewable energy
D: natural gas
A: oil
B: coal
C: renewable energy
D: natural gas
B
举一反三
- Coal, oil and natural gas are __________ and __________. A: clean ... recyclable B: renewable resource ... unconventional energy C: non-renewable resource ... conventional energy
- Fossil fuels like coal, oil and natural gas are non-renewable energy sources.
- When conventional heating cannot be avoided, the energy carrier will define carbon emissions. What is the order of coal, oil, and natural gas? A: oil < gas
- Which of the following is clean source of energy () A: Coal B: Oil C: Solar D: Natural<br/>gas
- Quantity of energy contained in the atmosphere is ______. A: smaller than that in coal alone B: smaller than that either in oil or in gas that we have on Earth C: greater than that in coal, oil and gas on Earth combined D: greater than that in coal, oil and gas on Earth, respectively
内容
- 0
Burning coal, oil and natural gas are ways to reduce carbon dioxide in the atmosphere.
- 1
Rich in coal, abundant in oil and gas, while coal is the most important basic energy and raw material in China.
- 2
下列属于一次能源的是？ A: coal B: natural gas C: wind energy D: solar energy
- 3
The U.S. is the world’s largest producer of oil and _______. （ ）。 A: Iron B: Gold C: Coal D: Natural gas
- 4
Organic chemicals mainly come from oil, natural gas, and . A: metal B: air C: water D: coal