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.

Work hard, ________ you will make great program.

根据表格信息，选择正确答案。（10分）

1.If you and your friends want to enjoy the sunshine at the seaside, you can call  .

A、67538293            B、63875629            C、64639818

2.Sam can stay in the countryside for        days.

A、three                B、four                 C、five

3.You can go      in the countryside.

A、bike riding         B、swimming            C、fishing

4.You should wear a       if you enjoy the sunshine.

A、sweather           B、hat                C、shirt

5.The hotel is next to the      .

A、park                 B、zoo                  C、sea

--- What ________ useful book !

---Yes, it is. But I found___________ difficult for me to read.

—Mary, could you tell me if your mother ________ our school sports meeting tomorrow?　　

—I think she will come to school if she _________ free.　　

 A. will take part in; will be                        B. takes part in; is             

   C. will take part in; is                             D. takes part in; will be