TheInternethasbeenaroundformanyyears，butitwastheinventionoftheWorldWideWebthatmadeitreally（41）___topeople．Together，theInternetandtheWorldWideWebhavechangedtheworld．TheInternet（42）___bytheUSgovernm

　　The Internet has been around for many years，but it was the invention of the World Wide Web that made it really （41）___ to people．Together，the Internet and the World Wide Web have changed the world．

　　The Internet（42）___ by the US government in the 1960s，for the army to use．In the 1970s，scientists and businesspeople also wanted to use the Internet to send and （43）___messages．For some years，people could only send very simple texts．They could not send photos （44）___ documents by the Internet．

　　That changed in 1991，when a British scientist named Tim Berners-Lee invented the World Wide Wed．The World Wide Wed allows people to send various types of files，

　　（45）___ texts，photos and videos by the internet，so（46）___ people started to use it in the 1990s．

　　Today，the Web has hundreds of millions of users．It has changed the way people live，work and play．Through the Internet，email allows us to communicate nearly instantly with people （47）___ miles away．People and businesses use e-commerce and online shopping to buy and sell things across the world．The Web also makes people's lives（48）___because now many things can be done from home，twenty-four hours a day．The Web can help you do research for your homework，（49）___ you do not need to go to the library．You can use Internet banking，（50）___going to the bank．And，of course，people just"surf the Web"when they want to relax．

　　Technology changes quickly，and it is hard to imagine what the future of the Internet and the Web will be．But it seems impossible to imagine life without them．

　　41．A．useB．usefulC．uselessD．used42．A．inventB．inventedC．was invented D．invents43．A．borrowB．lentC．receiveD．set44．A．orB．andC．butD．of45．A．for exampleB．because of