【英语时差8,16】喉管胶布治疗疣（上）（在线收听）

Have you ever used duct tape to tape a duct? Do you even know what a duct is? Maybe not. But you definitely know what duct tape is, and you’ve probably used it to fix everything from glasses to flashlights. Now, thanks to one study, we can officially add to the already long list of things to do with duct tape: curing warts. That’s right, duct tape might be used to cure warts. The study tested duct tape against cryotherapy, which uses liquid nitrogen to freeze warts. Of a test group of fifty-one wart patients, roughly half received cryotherapy, the other half duct tape. The duct tape patients wore pieces of tape over their warts for six days and then removed it for twelve hours.