四六级作文预测及范文：能源危机思维导图

Oneofthemainproblemstheworldisfacingtodayistheenergycrisis.Withthedevelopmentofindustryandagriculture,theworldhasconsumedagreatamountofenergy.Butallthisenergyhasgoneforever.Therefore,energysuppliesarebecomingshort,inotherwords,allformsofenergywillbeexhaustedinfuture.

However,energyisofgreatimportancetous.Wecanhardlyimaginehowwecouldliveinaworldwithoutenergy.Wewouldn'tbeabletodriveourcarsandlistentoourfavouritemusic.Moreover,thenightwouldbecomedarkallthetime.Inshort,oncewelosealltheenergyresources,wewillnotbeabletoexistintheworld.

Therefore,conservingourenergyisanimportanttask.Wemusttakeactivemeasurestoprotectourenergyresources.Ontheonehand,weshoulduseourenergyreasonably;ontheotherhand,weshouldinstructourpeoplenottowasteenergysothatwewillbeabletosendagoodgift—energy,toournextgeneration.

·潜在的能源危机

·能源的重要性

·节约能源势在必行

本文是一篇说明文。文中三段体现了“三段式”作文的模式,每段的第一句均为主题句。全文句子结构简单,是一篇四级作文。

Butallthisenergyhasgoneforever.消耗的能量不会返回

exhaustv.用尽

conservev.保存