名海底探险者。故选D项。

　　2．When Ballard worked at Woods Hole Oceanographic Institution, he________.

　　A．explored mountains with other scientists

　　B．thought of ideas to predict underwater volcanoes

　　C．found some unknown sea animals alone

　　D．developed unmanned vehicles to change interests

　　解析：选B　细节理解题。根据第三段中的"There he studied underwater mountains of the Atlantic Ocean.He came up with ways to predict volcanoes under the oceans."可知，巴拉德在伍兹霍尔海洋研究所工作时，提出了预测海底火山的方法。故选B项。

　　3．What can be a suitable title for the passage?

　　A．The Unknown Ocean World

　　B．A Hardworking Student

　　C．The Life of an Undersea Explorer

　　D．An Underwater Exploration

　　解析：选C　标题归纳题。根据文章的时间线索可知，本文是一篇人物传记，主要介绍了海底探险家罗伯特·巴拉德的人生经历。故选C项。

　　4．Which of the following is TRUE about Ballard according to the passage?

　　A．Ballard set up an organization to teach students science.

　　B．Ballard has explored more than half of the world's oceans.

　　C．Ballard disappointed his parents at his undersea adventures.

　　D．Ballard was greatly influenced by Twenty Thousand Leagues Under the Sea.

　　解析：选D　推理判断题。根据第二段中的"At the age of 10, he read Twenty Thousand Leagues Under the Sea, a book which describes the undersea adventures of Captain Nemo.Ballard decided he wanted to be like Captain Nemo when he grew up."可知，巴拉德受《海底两万里》这本书的影响很大。故选D项。

　　Ⅱ.阅读七选五

　　Invaluable lessons you learn from volunteering

　　We are not unfamiliar with volunteering. __1__ However, that's not to say you can't take away a lesson or two along the way. These lessons could not only shed light on the principles of doing good, the community in need, but also on yourself.

Everyone has a story