Softening Claims” Using natural gas instead of coal ______ prevent air pollution”
may;could;might
举一反三
- Organic chemicals mainly come from oil, natural gas, and . A: metal B: air C: water D: coal
- Which of the following titles is a proper one? A: What should we do to prevent air pollution? B: An Exploration into the Measures to Prevent Air Pollution C: How does air pollution happen? D: Computer Retrieval
- In terms of equivalent calorific value, the lowest price among coal, oil, natural gas and renewable energy is ( ). A: oil B: coal C: renewable energy D: natural gas
- 中国大学MOOC: IIHere’s a paragraph that has both factsand opinions.Read and decide whether they are factsor opinions. (10 points, five for each)New York and other U.S. cities have begun using vehicles powered by natural gas[1]. This is a good idea[2], because vehicles that use natural gas do not pollute the air[3]. Pollution is the biggest problem facing cities right now[4]. Furthermore, natural gas is more cost-effective than regular gas[5]. All cities should use only vehicles powered by natural gas[6].1.Facts are _________
- 智慧职教: ___ coal，the most important natural fuels are gas and oil.
内容
- 0
Fossil fuels like coal, oil and natural gas are non-renewable energy sources.
- 1
Burning coal, oil and natural gas are ways to reduce carbon dioxide in the atmosphere.
- 2
__________ is natural gas that is found trapped within shale formations. It has become an increasingly important source of natural gas in the United States since the start of this century. A: Methane B: Shale gas C: Coal gas
- 3
Fossil fuel contains ① coal; ② Petroleum; ③ Natural gas; ④ Combustible ice. A: ①, ②； B: ②, ④； C: ①, ②, ③, ④. D: --
- 4
中国大学MOOC: Fossil fuel contains ① coal; ② Petroleum; ③ Natural gas; ④ Combustible ice.