utilities build a centralized system of large power plants. utilities participate in rooftop-solar electricity industry. utilities make money by charging customers for taking power off the grid. a certain percentage of the utilities’ energy come from renewable sources.

RenewableEnergySourcesTodaypetroleum石油providesarou

Petroleum. Coal. Natural gas. Water.

TheScienceoftheFutureUntilrecentlythescienceofthef

biological power sources would be put into use soon. oil, gas and coal could be repeatedly used in the future. dependence on non-renewable power sources would be reduced soon. the Chernobyl disaster would happen in two years.

第三篇RenewableEnergySources Todaypetroleum石油provide

renewable recyclable damaging scarce

Nuclearenergyhasalwaysbeencontroversial.Butsinceth

根据短文内容从下框的A.~F选项中选出能概括每一段主题的最佳选项选项中有一项为多余项A.Whydop

第三篇TheScienceoftheFuture Untilrecentlythescienceo

biological power sources would be put into use soon． oil，gas and coal could be repeatedly used in the future． dependence on non—renewable power sources would be reduced soon the Chernobyl disaster would happen in two years．

Using renewable energy sources is a simple idea, but ________ we find it hard to put into practicE.

包含此试题的试卷

你可能感兴趣的试题

热门试题

热门题库