大学英语六级题库/听力 Section B

Section B
 Questions 9 to 12 are based on the passage you have just heard.

1.[单选题]______
  • A.They migrate to the Arctic Circle during the summer.
  • B.They originate from Devon Island in the Arctic area.
  • C.They travel as far as 400 kilometers in search of food.
  • D.They have the ability to survive in extreme weathers.
2.[单选题]______
  • A.They can be used to deliver messages in times of emergency.
  • B.They deliver pollutants from the ocean to their nesting sites.
  • C.They carry plant seeds and spread them to faraway places.
  • D.They are on the verge of extinction because of pollution.
3.[单选题]______
  • A.The threats humans pose to Arctic seabirds.
  • B.The diminishing colonies for Arctic seabirds.
  • C.The harm Arctic seabirds may cause to humans.
  • D.The effects of the changing climate on Arctic seabirds.
4.[单选题]______
  • A.They were carried by the wind.
  • B.They had become more poisonous.
  • C.They were less than on the continent.
  • D.They poisoned some of the fulmars.
参考答案: C,B,C,A