[简答题]有关汽车燃料 公交车现在都用natural gas

[简答题]有关汽车燃料 oil filter

[简答题]有关汽车燃料 选择standard fuel

[简答题]有关汽车燃料 fuel on Tuesday

[简答题]有关汽车燃料 leave the window closed

[简答题]有关汽车燃料 后备箱尽可能empty

[简答题]有关汽车燃料 尽量选择在smooth roads上行驶

[简答题]有关汽车燃料 3 adults可以转到lane上

[简答题]有关汽车燃料 用small engines, 因为不那么heavy

[简答题]有关汽车燃料 do not need to warm up the engine before starting to drive

[单项选择]所有的高功率赛车引擎都装有随机燃料喷嘴。普通生产线制造的汽车的引擎不装有随机燃料喷嘴。客运汽车都是由普通生产线制造的。由此可见______。
A. 客运汽车不装有随机燃料喷嘴
B. 随机燃料喷嘴只在高功率赛车上才能发现
C. 有的客运汽车同时是高功率的赛车
D. 不装有随机燃料喷嘴的汽车都是普通生产线制造的

[单项选择]采用液化石油气做汽车燃料，______环境效益明显，______经济效益也不错。
A. 哪怕……也……
B. 既然……就……
C. 不仅……而且……
D. 假如……就……

[单项选择]Natural Gas Natural gas is produced from reservoirs deep beneath the earth’s surface. It is a fossil fuel, meaning that it is derived from organic material buried in the earth millions of years ago. The main component of natural gas is methane. The popularity and use of clean natural gas has increased dramatically over the past 50 years as pipeline infrastructure has been installed to deliver it conveniently and economically to millions of residential, commercial and industrial customers worldwide. Today, natural gas service is available in all 50 states, and is the leading energy choice for fueling American homes and industries. More than 65 million American homes use natural gas. In fact, natural gas is the most economical source for home energy needs, costing one-third as much as electricity. In addition to heating homes, much of the gas used in the United States is used as a raw material to manufacture a wide variety of products, from paint, to fibers for clothing, to plastics f

[填空题]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
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