Vocab-builder 让学生会自我小结与评估.形成性评价 Get the students to line up the 丰富了终结性评价的不足.增强学生 ——青夏教育精英家教网—

摘要： Vocab-builder 让学生会自我小结与评估.形成性评价 Get the students to line up the 丰富了终结性评价的不足.增强学生 words they know in U2. 学习的信心.发散性的课外作业.培

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We are all busy talking about and using the Internet (互联网), but how many of us know the h____1___ of the Internet?

　　Many people are surprised when they find that the I___2_ was set up in the 1960s. At that time, computers were large and e__3___ . Computer networks (网络) didn't work well. If one computer in the network broke down, then the whole network stopped. So a new network system had to be set up. It should be good e__4___ to be used by many different computers. If part of the network was not working, information could be sent through a__5_ part. In this way computer network system would keep on w___6___ all the time.

　　At f_7_ the Internet was only used by the government, but, in the early 1970s, universities, hospitals and banks were allowed to use it too. H_8__, computers were still very expensive and the Internet was d__9__ to use. By the start of the 1990s, c__10_ became cheaper and easier to use. Scientists had also developed software that made 'surfing' (浏览) the Internet more convenient.

Today it is easy to get on-line (上网) and it is said that m__11__ of people use the Internet everyday. Sending e-mail is more and more p__12__ among students.

The Internet has now become one of the most important parts of people's life.

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Work hard, ________ you will make great program.

A．and

B．but

C．or

D．for

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Trip 1 Three days in the countryside

There are many beautiful gardens. Take your camera and enjoy the wonderful sights. It is also a good place for fishing and horse riding.

Time：May 20～May 22 Tel：63986423

Trip 2 Five days by the sea