2019年6月六级真题(第一套)

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 The relation between hair and skin.
  • B The growing interest in skin studies.
  • C The color of human skin.
  • D The need of skin protection.
    23.
  • A The necessity to save energy.
  • B Adaptation to the hot environment.
  • C The need to breathe with ease.
  • D Dramatic climate changes on earth.
    24.
  • A Leaves and grass.
  • B Man-made shelter.
  • C Their skin coloring.
  • D Hair on their skin.
    25.
  • A Their genetic makeup began to change.
  • B Their communities began to grow steadily.
  • C Their children began to mix with each other.
  • D Their pace of evolution began to quicken.