Allan, James，Brown, Della and Edward 正在查找网站来帮助他们解决问题。阅读第46至50题中的各人情况说明和A至F六家网站的介绍，并从所给的（A、 B、 C、 D、 E、 F）中选出符合各人情况的最佳选项,并在答题卡上将该项标号涂黑。选项中有一项是多余选项。
Allan: The weather report said that a hurricane would hit the city. Tom wants to find information on how to protect his family from being destroyed during the hurricane.
James: Before learning about a butterfly, James was asked by his biology teacher to learn more about a butterfly in the process of doing research and then write a letter to humankind.
Brown: Thousands of animals around the world face extinction. Many more are threatened each year. Brown focuses on the situation of endangered animals and tried to understand how all living things are connected.
Della: Modern technology makes fishing easier. Yet overfishing has caused a lot of problems. China has taken some measures to solve the problem. Della wants to gain a deeper understanding of the effects of overfishing on some threatened species and tried to find out effective solutions.
Edward: Great leaders changed our lives. Edward, who studies politics, wants to find out detailed information about some famous political leaders of foreign countries.

A．http://www.net.org/marine/csb/ This site is devoted to saving the Chilean sea bass, or Patagonian toothfish, from extinction. It suggests actions people can take to protect the fish, and it offers the flash movie “Please Don’t Eat Me!”

B．http://www.uky.edu/Agriculture/Entomology/ythfacts/entyouth/ This site, created by the University of Kentucky Entomology(昆虫学) Department, provides photographs and facts about various insects we live with. You will find what you want to know about insects here.

C．http://www.mountvernon,org/learn /index.cfm/ This is the definitive(最完整可靠的) site for thoroughly researched historical data on President George Washington. The educational resources include biographical information, a feature(专题节目) on George Washington and slavery, electronic trading cards, and an online quiz.

D．http://www,artlex.com/

Here you will find definitions of more than 3,200 terms used in discussing visual culture, along with thousands of supporting images, pronunciation notes, great quotations, and cross-references.
E. http://www.fema.gov/kids/
This visually appealing government site teaches kids how to be prepared for disasters and prevent disaster damage. The site also tells teachers and parents what to do to help children after a disaster. It is appropriate for all ages.
F. http://www.nwf.org/
Find information on wildlife protection programs and wild animals through the articles, photos, quizzes, and games at this site. Learn how you can help protect wildlife which has close relationship to human beings.