every fiber of your being - psychologically, you'll be in constant battle. Physically, you'll be tired and hungry almost all the time. And all of those things make these types of adventures the extreme test of will. You can climb mountains, deserts, rivers and lakes.

1. What is the common point of the well-known challenging mountains?

A. They appeal to people who are eager to overcome nature.

B. They are beautiful enough to attract visitors.

C. They are suitable for those who are experienced.

D. They draw the attention of people who are well-prepared.

2. What can be regarded as an endurance challenge?

A. A relaxing walk around a park. B. A short trip to the countryside.

C. A bike ride across the United States. D. A pleasant return to nature.

3. What is the purpose of the passage?

A. To appeal to more people to take adventures.

B. To introduce four types of outdoor adventures.

C. To compare four types of outdoor adventures.

D. To present the difficulties of four types of outdoor adventures

　　　　　　　　　　　　　　　　B

　　A Taiwanese schoolboy, 12, fell right into a valuable, centuries-old painting on a visit to a Leonard da Vinci-themed show in Taipei. When he put out his hand to hold himself, he tore a hole "the size of a fist" in a $1.5 million artwork, "Flowers", by 17th-century Italian Baroque artist Paolo Porpora.

"The boy was probably too concentrated on listening to what the guide was saying, and therefore stumbled," said Sun Chi-hsuan, one of the exhibition's organizers. But Sun said the cost of repairs to the damaged painting would be covered by insurance, meaning the boy and his family won't be asked to pay up. "I'm actually thinking of asking the boy back to be a volunteer in the exhibition for one day," Sun said, "as a punishment."

The painting is undergoing restoration by experts in Taipei. "We will begin the restoration work by mending the part that was torn on the back," said Leo Tsai, a fine