2016年12月大学英语六级考试真题与答案下载(第二套)

　　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.

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

　　9. 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.

　　10. 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.

　　11. 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.

　　12. 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.

　　Questions 13 to 15 are based on the passage you have just heard.

　　13. A. It has decreased.

　　B. It has been exaggerated.

　　C. It has become better understood.

　　D. It has remained basically the same.

　　14. A. It develops more easily in centenarians not actively engaged.

　　B. It is now the second leading cause of death for centenarians.

　　C. It has had no effective cure so far.

　　D. It calls for more intensive research.

　　15. A. They care more about their physical health.

　　B. Their quality of life deteriorates rapidly.

　　C. Their minds fall before their bodies do.

　　D. They cherish their life more than ever.