Average residential unit prices and consumption ranges for utility natural gas and electricity for U.S. city average and selected areas.Presents a chart depicting the average residential unit prices and consumption ranges for utility natural gas, electricity for city average in the U.S. as of ...
the demand for energy is increasing tremendously. The present energy supply can hardly meet the demand from both industry and households, especially in summer months. More electricity has yet to be produced.
Unit3: Electricity I.重点词汇 1. servant n. 仆人;佣人 Her family has a servant. 她家有一个佣人。 【拓展】 serve v. 服务,待客 He will serve you during the dinner. 他将会在晚餐时间服务你。 service n. 服务 The train service to the capital is very good. 开往首都的火车服务设施非常好...
Electricity is the flow of electrical power or charge. It is a secondary energy source which means that we get it from the conversion (转化) of other sources of energy, l 47 coal, natural gas, oil, nuclear power and other natural sources, which are called primary sources. The energy sour...
Morning and night, Mother Bird is there Until her baby’s old enough to leave the nest. 【拓展】nest做动词用时,意思是“筑巢;巢居”。 Thousands of seabirds are nesting on the cliffs. 成千上万的海鸟在悬崖上筑巢。 I...
Step 1: Set goals for the short-term and the long-term. A short-term goal may be something less 4 , while a long-term goal may cost more. Step 2: Figure out how much of your allowance you...
The Bank of England was nationalised in 1946, alongside civil aviation, the coal industry and the railways in 1947, electricity in 1948, gas in 1949, iron and steel in 1951 and the post office in1969. 20世纪50年代和60年代的保守党政府接受了这一新现状,只做了微小的调整。” ...
(1)if a pan of oil ___,turn off the gas and cover the pan quickly. (2)the company ___last night and it is still on fire. (3)the fire has been ___for half an hour. (4)they ___to keep warm. (5)the old woman was about to ___to cook dinner when someone knocked at...
because the cultivation of energy crops dedicated to the production of biofuels presents some problems, for example the pollution of water and soil from pest control, excessive consumption of water, erosion of soil, increased levels of greenhouse gases, detrimental effects on food prices, and small...
Thepriceofoil,gasandcoalisformedbysupplyanddemand.Untilrecentlythreeforcesinfluencethis.Whichforcesarethese?Thefirstforceisthegrowingimportanceofoilinoureconomy.Weneedoilformostheating,transportation,electricity,anditisaprimaryrawmaterialforchemicals,fertilizerandplastics.Becauseweusesomuchoilthedemandcontinuesto...