单项选择题
A user reports that their cell phone battery is dead and cannot hold a charge. Which of the following should be done when disposing of the old battery？（）
A.Recycle the battery. B.Store the battery. C.Place battery in a sealed plastic bag. D.Disassemble the battery.
单项选择题 Whichofthefollowingistherecommendeddisposalmethodforusedcomputers？（）
单项选择题 Whichofthefollowingcanconserveenergyinaserverroom？（）
单项选择题 AcorporationplanstoreplaceolderofficePCswithenergyefficientpersonalcomputersintheir24hourhelpdeskdepartment.WhichofthefollowingwouldbetheBESTchoice？（）
