完形填空sugarisimportanttoalllivingthings.Andinar____research,scientistsfoundthatanythingsweetcouldbeusedasafuelbybatteries.AtascientificmeetinginChicago,oneoftheresearcherss_____thenewbatterytothepeopleatth

　　完形填空

　　sugarisimportanttoalllivingthings.Andinar____research,scientistsfoundthatanythingsweetcouldbeusedasafuelbybatteries.AtascientificmeetinginChicago,oneoftheresearcherss_____thenewbatterytothepeopleatthemeeting.Itwasasb_____asapostagestampandcouldsuccessfullyrunacalculator.

　　"Thebatteryisbetterandmuchc_____fortheenvironment.”theresearcherssaidinaspeech."Besides,thesesweetnewbatteriescanoperatethreetofourtimeslongerthanthegeneralbatteriesthhatpeopleu______inmobilephones,MP3players,iPodsandmanyotherThenewbatteryiswonderful.Researcherssaidthatthebatterycouldbeons_____inthreetofiveyears.

　　紧急!