中国大学MOOC: Lighting uses 20 percent of the world’s electricity.
举一反三
- Lighting uses 20 percent of the world’s electricity. A: 正确 B: 错误
- 中国大学MOOC: The plant provides forty percent of the country’s electricity.
- The plant provides forty percent of the country’s electricity. A: factory B: farm C: station D: dam
- 中国大学MOOC: The U.S. is the world’s greatest power and the world’s greatest debtor.
- 9% of the world's electricity supply is provided by hydroelectric power.