A chimpanzee(大猩猩)in the zoo in Xi'an,Shaanxi Province has given up smoking after 16 years with the help of her keepers(饲养员).The zookeepers,wor- ried about her health,helped 27-year-old“Ai Ai”off tobacco(烟草)by treating her with entertainment(娱乐)and tasty diets.
