一般来说,出题的顺序与在原文的展开顺序是一致的;根据印象,第一个小标题natural gas basics重点介绍了天然气的基本知识,因此缩小查找范围。找到小标题下第三段首句Natural gas consists primarily of methane and other hydrocarbon gases.其中consists of与made up of同义,primarily对应 mainly。
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更多“Natural gas is mainly made up of methane and other hydrocarbon gasses.A.YB.NC.NG”相关的问题 第1题 国家规定的应当在医生指导下使用的治疗性药品广告中,必须注明“按医生处方购买和使用”。() 国家规定的应当在医生指导下使用的治疗性药品广告中,必须注明“按医生处方购买和使用”。() 点击查看...
natural gas n.Abbr.NG A mixture of hydrocarbon gases that occurs with petroleum deposits, principally methane together with varying quantities of ethane, propane, butane, and other gases, and is used as a fuel and in the manufacture of organic compounds. ...
适应性训练(94)Natural gas is a fossil fuel. Like other fossil fuels such as coal and oil, natural gas formsfrom the plants, animals and microorganisms(1)lived millions of years ago.There are several different theories to explain (2)fossil fuels are formed. Asplants, animals and microorganisms...
朋友说她没得到金钱。亦不有您。您gree ? [translate] aDouble page spread 双重页传播 [translate] ais this a computer room? 这计算机室? [translate] aAs a result, natural gas has made up a large 结果,天然气组成一大 [translate] 英语翻译 日语翻译 韩语翻译 德语翻译 法语翻译 俄语翻译 阿拉伯语...
Natural gas - Composition, Properties, Uses: Natural gas is a hydrocarbon mixture consisting primarily of saturated light paraffins such as methane and ethane, both of which are gaseous under atmospheric conditions. The mixture also may contain other hyd
History of use Discovery and early application The first discoveries of natural gas seeps were made inIranbetween 6000 and 2000bce. Many early writers described the natural petroleum seeps in theMiddle East, especially in theBakuregion of what is nowAzerbaijan. The gas seeps, probably first ignite...
Other experts disagree with this idea,believing thatthe gas may be too heavy to rise into the air.The appearance of the firebals always brings great (8) of people along the river,and s a wonderfu attracton to viiting tourist. 相关知识点: ...