A research team at the United States Pentagon first developed the concept of linking computers together in the 1960s．They wanted to have a system（A）________ would enable universities，research departments and the military to share resources with（B）________ other．（C）Computers at this time were，as large as refrigerators and could not transported easily．Another problem was that they were often complicated and not compatible with each other．The research team had to overcome these difficulties to（D）create a network that could share computing power．Gradually，more and more scholars came online．（E）Years later，businessmen began using the Internet，too．The number of people using it is increasing all the time and it is becoming more widely available（F）across the world．In fact，somewhere in every continent in the world，it is possible to use the Interact．There is a wide range of services available on the Internet．This means that（G）有很多不同的交流方式．The most popular way is undoubtedly electronic mail-more commonly called ‘e-mail’．The second most popular is browsing on the World Wide Wed（www）．Briefly，the www is a very big series of connected pages containing various forms of multimedia．The third most popular way is real time text based communication between users such as IRC--Internet Relay Chat．

1．在划线处A和B的空白处填入一个适当的词语：_________；_________

2．将划线处C改写为：Compters at this time were _________ _________ large as refigeralots

3．写出划线处D和F的同义词或近义词：_________；_________

4．将划线处E改写为：_________ _________ years

5．将划线处G译成英语：_____________________________________________

Complete the sentences with the given words in their suitable forms（用括号中所给单词的适当形式完成下列句子。每空格限填一词）
【小题1】2012 is a leap year. That’s why there are _____ days in February. (twenty-ninth)
【小题2】It is clear that your schoolbag is much heavier than _______. (I)
【小题3】Thousands of_______were lost in the terrible earthquake happened in Japan. (life) 
【小题4】We are very ______to our teachers for their great help. (thank)
【小题5】Your smile is the best way to show people your_______. (kind)
【小题6】Wu Liangyong is one of the_____to get China’s Top Science Award this year. (win)
【小题7】He needs a secretary who can also_________his life for him. (organization)
【小题8】With the development of China, Chinese has become an international language and is______used all over the world. (wide).

I have been using the Internet since I was five years old, when my dad first sat me down in front of a computer and connected me 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 it besides checking my e-mail and wasting my time, until I was introduced to electronic commerce(e-commerce): business on the Internet.
Some online business are run from one- room home offices. Others have hundreds of employee(雇员)spread across five different continent. Have you ever heard of Amazon. com, Yahoo. com?
My friends often said they got cheap textbooks off Amazon.com, or had a good deal(交易)on Steve Madden boots that were on sale at SteveMaden.com. Unfortunately for me, I continued my “e-commerceless” Web-surfing, unaware(不知道)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 elders!
“Oh, it’s the things I ordered online!” she answered. I watched speechlessly as she opened them. There was no way our parents were letting her spend that much money- online or off!
“How much did all of this coat?”
“Oh, only about $15in all!” She said excitedly. “Everything on eBay is on sale! It’s way better than going to the mall.”
I felt as if my entire life, there had been a store right in my backyard that I had never walked into! That week, I ordered a used Spanish textbook for my summer course online for 10 percent of the publishing price. A few days later, I bought an iPod protector and a book or two via the wonderful eBay.com.
【小题1】From the first two paragraph we can conclude that the author