你可能感兴趣的试题
They compared zoo elephants with wild elephants. They kept detailed records of all the elephants in their care. They analyzed the records of the elephants kept in zoos. The zoo-born elephants they studied are kept in European zoos.
They kept detailed records of all the elephants in their care. They compared zoo elephants with wild elephants. They analyzed the records of 800 elephants kept in zoos. The zoo-born elephants they studied were kept in European zoos.
they do not get proper food. they do not live in family groups. they do too much exercise. they live in large herds.
They compared zoo elephants with wild elephants. They kept detailed records of all the elephants in their care. They analyzed the records of the elephants kept in zoos. The zoo-born elephants they studied are kept in European zoos.
it may not be wise to keep elephants in zoos. zoo-born elephants should be looked after more care. zoos should keep more animals except elephants. elephants are no longer an endangered species.
zoo-born elephants should be looked after more carefully. zoos should keep more animals except elephants. it may not be wise to keep elephants in zoos. elephants are no longer an endangered species.
develop poor health. live a long life. give birth to many babies. have difficulty getting food.
live longer. grew up faster. enjoyed the same life spans. died much earlier.
湘公网安备 43130202000226号