______ elephants are different from wild elephants in many aspects, including their tempers.

3. What is the finding of the study? A: Female elephants born in the zoo die much earlier than those in the wild. B: Wild female Asian elephants live longer than their African counterparts. C: Most wild elephants were killed by predators instead of dying of natural causes. D: Baby elephants raised in the zoo are less likely to suffer from natural diseases.

“How many elephants did you see? “______”

中国大学MOOC: There ________ many elephants in Africa.

There ____ many elephants in Africa. A: is B: has C: are

The main attraction of training mature elephants is______. A: early financial returns B: their willingness to obey their trainers C: the avoidance of anxiety in the elephant D: that elephants are difficult to keep

They build fences around thegardens to keep the elephants out.

White elephants refer to something valuable and useful nowadays. A: 正确 B: 错误

You may not believe, but elephants are extremely ____________（聪明的）animals just like dogs.

5. What does the author suggest in the last paragraph? A: Elephants are no longer an endangered species. B: It may not be wise to keep elephants in the zoo. C: Zoos should try to increase the number of elephants. D: Zoos should keep more animals except elephants.