回答(55)题 查看材料
A. parts
B. conditions
C. methods
D. clothes
It was found that, compared with female wild elephants, female zoo-born elephants __________ . 查看材料
A. lived longer
B. grew up faster
C. died much earlier
D. enjoyed the same life spans
One of the possible reasons for the zoo-raised elephants‘ problems is that __________ .
A. they do not get proper food
B. they do too much exercise
C. they live in large herds
D. they do not live in family groups
Which of the following about the scientists‘ study is NOT true?
A. They compared zoo-born elephants with wild elephants.
B. They analyzed the records of 800 elephants kept in zoos.
C. The zoo-bom elephants they studied were kept in European zoos.
D. They kept detailed records of all the elephants in their care.