阅读理解 I have been using the Internet since I was five years old, when my dad first sat me down in front of our computer and connected me to the World Wide Web. I've always felt like a master of the Internet world. AOL Instant Messaging, MSN, Gmail, Facebook, Myspace - I've got it all under control. I thought there was nothing more to the Internet besides checking my e-mail and wasting my time until I found out about electronic commerce (e-commerce): business on the Internet. Do Amazon.com, Yahoo.com, or monster.com mean anything to you? My friends often said they got cheap textbooks on Amazon.com, or had a good deal on Steve Madden boots that were on sale at SteveMadden.com. Unfortunately for me, I went on with my 'e-commerce-less' Web-surfing, unaware of all the deals I was missing out on. That is, of course, until my sister finally sold the idea to me. 'Why are all these packages arriving in the mail for you, Katy?' I asked her one day. Strange envelopes had been put on our doorstep for weeks now, each one always addressed to my sister; and we all know little sisters should never be getting more mail than their older siblings (兄弟姐妹)! 'Oh, it's the stuff I ordered online!' she answered. I watched as she opened item after item. There was no way our parents were letting her spend that much money - online or off! 'How much did all of this cost?' 'Oh, only about $15 in all!' She said excitedly. 'Everything on eBay is on sale! It's better than going to the mall.' I felt as if my whole life, there had been a giant store in my backyard that I had never known about. That week, I ordered a used Spanish textbook for 10 percent of the publisher's price. A few days later, I bought an iPod protector and a book or two from the wonderful eBay.com. 1. From the first three paragraphs we can conclude that the author _____. A. had no experience using computers B. thought surfing the Internet was a waste of time C. only used the Internet to check e-mails D. had no idea of what e-commerce is 2. The writer didn't find out about e-commerce until _____. A. she stopped Web-surfing B. her friends told her about the online deals they made C. she visited a giant store in her backyard D. her sister explained the packages she got by mail 3.  We can infer from the last paragraph that _____. A. the author has begun to enjoy online shopping B. the author loves the big store in her backyard C. the author feels she is a true master of the Internet D. the author never enjoyed shopping that much 4. Which of the following could be the best title for the article? A. My favorite activity - the Internet B. Ordering goods on the Internet C. A whole new world on the Internet D. Don't waste time on the Internet 5. What can we infer from the fifth paragraph? A. Katy is better at computer than the writer. B. Their parents often offer them a lot of money to shop. C. The writer was angry with her sister for her behavior. D. The things Katy bought on line are much cheaper than in shops.