We talk about and use the Internet every day,but do you know the history of the Internet?Internet was set up in the 1960s.At that time,computers were large and expensive.Computer networks didn't work.If there is something wrong with one computer in the network,the whole network stopped.So it is necessary to set up a network system (系统).The network system should be so good that many different computers can use it.If part of the network was not working,

We talk about and use the Internet every day,but do you know the history of the Internet?
Internet was set up in the 1960s.At that time,computers were large and expensive.Computer networks didn't work.If there is something wrong with one computer in the network,the whole network stopped.So it is necessary to set up a network system (系统).The network system should be so good that many different computers can use it.If part of the network was not working,information could be sent through another part.At first,only the government used the Internet,but in the early 1970s,universities,hospitals and banks used it,too.However,computers were still very expensive.By the start of the 1990s,computers became cheaper and easier to use.Scientists had developed software (软件) and made it easy to surf the Internet.Today it is easy to get on-line.
( )6.According to the passage,we know that____________.
A.the Internet has a very long history B.the Internet can work without computer
C.the Internet has a history of about forty years D.the Internet is a kind of computer
( )7.Universities,hospitals and banks have used the Internet for about_______.
A.forty years B.thirty years C.twenty years D.fifty years
( )8.It is very easy to get online because_____________.
A.scientists developed software (软件) B.computers became cheaper and easier to use
C．the network system is good enough D.all above
( )9.At first,only the ________ used the Internet.
A.government B.hospitals C.banks and schools D.universities
( )10.The best title of the passage is “___________”
A.The history of computers B.The history of the Internet
C.The history of software D.People like surfing the Internet