C. To advertise the Kawarau Bridge Bung.

　　D. To share the knowledge of the Kawarau Bridge Bungv.

　　2. Which of the following statements is NOT true?

　　A. Queenstown is appealing to extreme enthusiasts.

　　B. People can enjoy many adventurous activities in Queenstown.

　　C. Jumping with a friend can reduce fear.

　　D. The Kawarau Bridge Bungy enjoys a high reputation around the world.

　　3. What can we learn from the article?

　　A. One who is 70 years old and 120 kg cannot do Bungy.

　　B. Two friends weighing 125kg and 75kg cannot do Bungy together.

　　C. People shall not wear clothes when they are doing Bungy.

　　D. Students can enjoy half price if they have a valid ID.

　　4. The following factors ensure the safety EXCEPT

　　A. professional crew

　　B. the ' S' Mark for exceptional safety

　　C. training schemes and procedures

　　D. high standard of equipment

　　B

　　As shocking as the idea of baby birds growing up in a cigarette-filled home sounds, a new study suggests that some birds may benefit from putting the stuff from cigarette butts (烟蒂) into their nests. The nicotine(尼古丁) remaining in smoked filters (滤嘴) may serve as a natural insecticide( 杀虫剂) , driving harmful insects away from the nests and the baby birds living within. Tobacco plants produce nicotine because it defends against insects that would otherwise eat the plants.

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