摘要：III.选词填空.请从方框内选择适当的词语完成这封信. Writing, talking,sitting ,playing, swimming , flying,sunny, studying,drawing, having Dear Bob, My name is Rich .I’m fourteen years old .I’m(1) in a middle school .My school is nice and clean. There are 30 students in my class .It’s(2) today . My classmates and I are(3) a good time on the beach .It’s a nice place .The water is blue and clear . Many birds are(4) over the sea .Many people are (5) . Some boys are(6) football . Some people are (7) on the beach . A girl is(8) pictures on a chair .Another girl is (9) photos .I’m (10) to you ! What are you doing ? I hope you can write to me soon . Best wishes! Rich 1 2 3 4 5 6 7 8 9 10 IV. We are all busy talking about and using the Internet, but how many of us know the history of the Internet? Many people are surprised when they find that the Internet was set up in the 1960s. At that time ,computers were large and expensive. Computer networks didn't work well. If one computer in the networks broke down, then the whole network stopped. So a new network system had to be set up. It should be good enough to be used by many different computers. If part of the network was not working, informationcould be sent through another part. In this way computer network system would keep on working all the time. At first,the Internet was only used by the goverment,but,in the early 1970s, university,hospitals and banks were allowed ( ) to use it too. Howerver,computers were still expensive and the Internet was difficult to become cheaper and easier to use. Scientists had also developed software that made "Surfing"the Internet more convenient. Today it is easy to get-on-line and it is said that millions of people use the internet every day. Sending e-mail is more and more popular among students. The Internet has now become one of the most important parts of people's life.

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