C．have established their own website

　　D．have opened their online stores

　　解析：选D　细节理解题。根据第三段第二、三句"And what was their reaction? They've opened online stores to go hand in hand with their conventional businesses."可知，实体店老板开了网店。故答案选D。

　　5．According to Paragraph 5, the greatest benefit of online shopping is ________.

　　A．to save time　　　　　B．to follow the fashion

　　C．to release pressure D．to protect environment

　　解析：选A　细节理解题。根据第五段第二句"And as 'Time is money'， this practice is lifesaving for people who work two jobs."可知，网上购物很节省时间。故答案选A。

　　6．What would be the best title for the passage?

　　A．A New Way of Shopping

　　B．The Internet Revolution

　　C．What Is the Reaction to Online Shopping?

　　D．Is Online Shopping the Future of E­commerce?

　　解析：选D　标题归纳题。纵观全文可知，本文主要介绍了因特网给人们的生活带来的巨大影响。网上购物所呈现出的诸多优势，它将成为未来电子商务的载体。D项概括了文章主旨，适合做标题。故答案选D。

　　C

　　Our name is what other people know us by and something that distinguishes us from everyone else. The use of last names became much more popular in 1066. The origin of your last name largely depended on the ethnic (种族的) background of your ancestors. For example, traditional Jews are required by religious law to name one of their babies after a dead relative, and the Chinese usually have three names: a family name, a generation name and an individual name.

　　English, Welsh, Scottish and Irish last names are typically grouped into four categories: professions, localities, nicknames (绰号) and first names.

　　Many people acquired their last names due to their trade or profession. These names are easy to understand: Farmer, Baker and so on. Some people were named after where they were from, or after geological characteristics of the land. Marsh and Sydney are examples of this type. Also people were often named after nicknames; these are some of the most interesting last names. For example, Gotobed came from someone who was lazy.

Last names based on first names were very common in the history of Britain and