AfricanElephantKilledbyPoachersAnAnimalExperimentactivistsfightforanimalrightsWhatdoyouknowaboutanimalexperiments?1.Whichanimalismostwidelyusedinexperiments?a.Dogb.Ratc.Mouse2.AccordingtoBritishlaw,newdrugsmustbetestedonhowmanydifferentspeciesoflivemammals?a.None,iftherearesuitablealternatives(替...

时间:2024-11-20 09:45栏目:中学教育