"I guess we'd better go，" Luther said to his daughter, his only child. They hugged again and fought back the tears. Blair smiled and said, "The year will fly by. I'll be home next Christmas."

　　Nora, her mother, bit her lip and nodded and kissed her once more."Please be careful，" she said because she couldn't stop saying it.

　　"I'll be fine."

　　They released her and watched helplessly as she joined a long line and inched away, away from them, away from home and security and everything she'd ever known. They turned and got into endless sadness.

语篇解读：本文是一篇记叙文。文章叙述了刚刚大学毕业就去秘鲁的偏远山区做志愿者的Blair和父母在机场告别时的情景以及他们内心的感受。

　　9．What's the reason for Blair's decision to help others?

　　A．Her college's requirement.

　　B．Her friend's behavior.

　　C．Her successful career.

　　D．Her parents' support.

　　解析：选B　细节理解题。根据第一段中的"A friend from college was in Africa as a volunteer for Peace Work, which had inspired Blair to devote the next two years to helping others."可知，Blair大学时的一个朋友在非洲做志愿者的行为激励了Blair决定去帮助别人。故选B。

　　10．What were the family waiting for?

　　A．The flight to Miami.

　　B．The flight to Lima.

　　C．The bus to the mountains.

　　D．The bus to another century.

　　解析：选A　细节理解题。根据第二段第一句"The flight would take her to Miami, then to Lima, then by bus for three days into the mountains, into another century."和文章关于机场送行的描述可知，这一家人正在机场等飞往Miami的航班。故选A。

　　11．Which words can best describe Luther and Nora's feelings?

　　A．Pleased and appreciative.

B．Indifferent and cold.