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
27.Natural gas is stored deep________.
28.Natural gas is recognized as the most economical energy source ________.
29.When manufacturing many products,people commonly use natural gas ________.
30.It is estimated that by 2050 that natural gas demand in the United States will increase________.
A.over the past 50 years
B.beneath the earth surface
C.by more than 50 percent
D.for more than four decades
E.as a raw material
F.for home energy needs
【2010全国职称英语考试真题理工类b:概括大意完成句子】相关文章:
最新
2016-03-02
2016-03-02
2016-03-02
2016-03-02
2016-03-02
2016-03-02