Ⅱ.用适当的冠词填空(不填处用“/”表示) 1. Internet is biggest source of information in world. 2. World Wide Web is computer network that allows computer users to access information from millions of websites via Internet. 3.Berners-Lee built his first computer while he was at university using old television! 4.He designed first “web browser”，which allowed computer users to access documents from other computers. 5.Talking on mobile phone is expensive，so a lot of people send text messages.

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