2018年12月六级真题(第三套)

Questions 9 to 11 are based on the passage you have just heard.

Directions: In this section, you will hear two 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.
    9.
  • A The unprecedented high temperature in Greenland.
  • B The collapse of ice on the northern tip of Greenland.
  • C The unusual clod spell in the Arctic area in October.
  • D The rapid change of Arctic temperature within a day.
    10.
  • A It has created a totally new climate pattern.
  • B It will pose a serious threat to many species.
  • C It typically appears about once every ten years.
  • D It has puzzled the climate scientists for decades.
    11.
  • A Extinction of Arctic wildlife.
  • B Iceless summers in the Arctic.
  • C Emigration of indigenous people.
  • D Better understanding of ecosystems.