New York and other U.S. cities have begun using vehicles powered by natural gas
举一反三
- 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 _________
- Using some ________ fuels ,such as natural gas, in vehicles can generally00a000a0reduce harmful pollutants and exhaust emissions.
- Natural gas vehicles have lower emissions compared with conventional cars running on diesel or gasoline．
- Already there are many ( ) fuel vehicles on the market, powered by anything from solar power to natural gas.
- The U.S. is the world’s largest producer of oil and _______. （ ）。 A: Iron B: Gold C: Coal D: Natural gas