2017年6月四级真题(第三套)

Questions 22 to 25 are based on the passage you have just heard.

Directions:In this section, you will hear three passages. At the end of each passage, you will hear three or four questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D). Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.

    22.
  • 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.
    23.
  • A They have their weight reduced to the minimum.
  • B They consume 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.
    24.
  • A By staying in hiding places and eating very little.
  • B By seeking food and shelter in people's houses.
  • C By growing thicker hair to stay warm.
  • D By storing enough food beforehand.
    25.
  • A To stay safe.
  • B To save energy.
  • C To keep company.
  • D To protect the young.