A. Brown bears are important because …
Ответ: 1) they control the number of other animals.
B. Which is NOT a threat to the population of brown bears according to the text?
Ответ: 4) People hunt bears to keep them in zoos.
C. A thick layer of body fat helps a polar bear to …
Ответ: 1) survive in a cold climate.
D. According to the text young polar bears … than adult bears.
Ответ: 2) run more quickly.
E. Polar bears have to hunt a lot of time because …
Ответ: 3) they need to be fat.
Таким образом, ответы на вопросы:
A - 1
B - 4
C - 1
D - 2
E - 3