The amount of oil from the earth is ever decreasing, and we will be officially_____oil some day.
举一反三
- 9. The amount of oil capable of _______ the earth is ever decreasing, and we will be officially running out of oil some day
- It seems oil ( ) from this pipe for some time. We'll have to take the machine apart to put it right.
- 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
- Data obtained from the investigations __________ that there is a large amount of oil below the seabed in this area.
- In one day, Sue can change the oil on 20 cars or change the tires on 20 cars. In one day, Fred can change the oil on 20 cars or change the tires on 10 cars. Sue and Fred can gain from trade if Sue changes the ( ) and Fred changes the ( ). A: tires; oil B: oil; oil C: oil; tires D: tires; tires