Electricity, gas and water were considered to be natural ______.
举一反三
- In the following options, ( ) is considered as the secondary energy. A: Coal B: Gas C: Electricity D: Oil
- 1. Water and electricity were abundant for the lepers before Eleni comes to the island.
- A Popularity and use of natural gas B Natural gas reserves and supply C Natural gas prices D Clean fuel of choice E Disadvantages of natural gas F Natural gas consumption Paragraph 2______
- Organic chemicals mainly come from oil, natural gas, and . A: metal B: air C: water D: coal
- 中国大学MOOC: When you rent a flat,you will need to pay for gas and electricity, water, broadband, and digital TV on top of your _______.