解析：选C　细节理解题。由第六段中的"their efforts to protect their rain forests, their independence, and their culture"和第七段的"the Kuna Indians have fought to keep their traditional way of life"可知，库纳印第安人一直致力于保护他们的传统文化。

　　2．Why does the author's family visit the sahila?

　　A．To ask for his help.

　　B．To show respect for him.

　　C．To invite him to travel with them.

　　D．To get permission to enter his village.

　　解析：选D　细节理解题。由倒数第二段的"It is an important part of Kuna culture for a visitor to receive an invitation and pay a fee to the sahila before entering his village."可知，作者拜访sahila是为了得到进村的许可。

　　3．The main purpose of this text is to introduce ________.

　　A．the meaning of traveling

　　B．the benefits of homeschooling

　　C．the history of the San Blas Islands

　　D．the native people living on the San Blas Islands

　　解析：选D　写作意图题。作者在驶向圣布拉斯群岛的路途中偶遇了三个库纳印第安渔夫，从而进一步介绍了生活在该群岛上的库纳印第安人。

　　B

　　That woman carried a new blanket over her arm. Wordlessly, she gave it to me.

　　"Is it finished？" I asked.

　　She shook her head. "No. It is ready，" she replied. I handed her the money and took the blanket.

　　"It is beautiful, so skillfully woven (编织)，" I said to my mother. "But what did she mean when she said it was not finished? How can it be ready if it is not finished？"

　　"I will tell you later，" my mother said, "but first I will take you to the Navajo village."

　　We went down to the village. A group of young men were making sand pictures. We walked through the whole village, watching the different things the people were doing.

　　It was not until that evening that my mother finally explained the Navajo woman's words.

"Did you notice anything about the things the people were making？"