water and electricity supply
举一反三
- Electricity, gas and water were considered to be natural ______.
- 9% of the world's electricity supply is provided by hydroelectric power.
- 1. Water and electricity were abundant for the lepers before Eleni comes to the island.
- The phrase “power cuts" in the second paragraph means ( ) A: the failure to give orders B: the stop of the supply of electricity C: the increase in the use of electricity D: the cut in the number of visitors
- In order to raise the efficiency of the water supply, measures should be taken to ____________.