Passage ThreeQuestions 22 to 25 are based on the passage you have just heard.[音频]
A. They have to look for food and shelter underground.
B. They take little notice of the changes in temperature.
C. They resort to different means to survive the bitter cold.
D. They have difficulty adapting to the changed environment.
Question 23[音频]
A. They have their weight reduced to minimum.
B. They consume the energy stored before the long sleep.
C. They can maintain their heart beat at the normal rate.
D. They can keep their body temperature warm and stable.
Question 24[音频]
A. By staying in hiding places and eating very little.
By seeking food and shelter in people’s houses.
C. By growing thicker hair to stay warm.
D. By storing enough food beforehand.
Question 25[音频]
A. To stay safe.
B. To save energy.
C. To keep company.
D. To protect the young.