評論
打印
Now listen to the following recording and answer questions 22 to 25
22
A.In the Antarctic.
B.In southern Canada.
C.In northern Russia.
D.In northern Asia.
23
A.They are huge and weigh up to 72kg.
B.Their thick, white fur is a natural cover.
C.They can swim a few hundred meters.
D.Their favorite food is fish in the ocean.
24
A.Warmer weather.
B.Massive killing.
C.Genetic evolution.
D.Environmental pollution.
25
A.Polar bears will be able to catch more fish.
B.Polar bears will have fewer things to eat.
C.There will be more seals in the area.
D.The winter will become shorter.
