A: polar bears
B: leopards
C: elephants
D: lions
举一反三
- African safari is about animals in their natural habitat, and lots of animals are easily seen but__.
- Lions are ______ animals – they live in groups.
- The writer says that primates show little hostility ______. A: towards soldiers and other human beings B: except towards animals such as lions, leopards, tigers or wild cats C: unless their own particular area is invaded D: towards other groups of the same species of monkey or ape
- Due to global warming, thefor polar bears is shrinking, causing the number of polar bears to keep decreasing. A: habit B: habitat C: apparatus D: habitant
- Which of the following is NOT the reason why animals worldwide are in danger? A: People poison them. B: There is habitat loss. C: There are natural disasters. D: There is hunting.
内容
- 0
Animals cannot talk about the things except those about food, danger, enemy, etc. because the communicative signals of animals do not have the property of displacement.
- 1
As is told about bears in the passage, we know that (). A: it is easy for bears to find enough food if they can climb trees. B: a bear can long remember where it has found food. C: all except polar bears are able to climb trees to catch their prey. D: all except polar bears and adult brown bears feed on small animals.
- 2
Features of African safari are as follows EXCEPT ______.
- 3
(9) Zoos are sometimes seen asnecessary but not poor alternatives to a natural environment. Discuss some of the argumentsfor and/or against keeping animals in zoos.
- 4
It is important to study polar bears to assess the health of the ecosystem on the Arctic, because（） A: they are on the edge of extinction. B: they are on the top of the ecosystem. C: the food chain on the Arctic depends on them. D: there are no other big animals on the Arctic.