Natural gas give less carbon dioxide than coal.
A: up
B: in
C: down
D: off
A: up
B: in
C: down
D: off
D
举一反三
- Natural gas__1__less carbon dioxide than coal.(give)
- Burning coal, oil and natural gas are ways to reduce carbon dioxide in the atmosphere.
- Natural gas has a higher heating value than coal.
- Natural gas can ______ these clean resources and is cheaper than coal. A: compete B: complement C: compliment D: compare
- 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
内容
- 0
The cost of natural gas is significantly less than that of diesel and gasoline．
- 1
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
- 2
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
- 3
It broke ( ) in less than a week. A: into B: out C: up D: down
- 4
The gas with maximum percentage in the atmosphere is ( ). A: nitrogen B: hydrogen C: oxygen D: carbon dioxide