9. The amount of oil capable of _______ the earth is ever decreasing, and we will be officially running out of oil some day
举一反三
- The amount of oil from the earth is ever decreasing, and we will be officially_____oil some day.
- 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
- Petrol is refined from the ________ oil we take out of the ground.
- The world is running out of oil, and energy experts believe that there could be serious (short) ____in ten years' times.
- In some designs the cylinder oil is timed so that the oil injects only on the ().