第（3）空 Twenty years ago, kids in school had never even heard of the Internet. Now, I'll bet you can't find a (1) ___person in your school who hasn't at least heard of it. In fact, many of us use it on a (2) ___basis and even have access to it from our homes! The Internet is a vast resource for all types of (3) ____. You may enjoy using I to do research for a school project, downloading your (4) _____songs or communicating with friends and family. However, when you email people, you have to be very careful f you've never met the person that you're communicating with (5) ______, you could be on dangerous ground! You should never give away any (6) _____ information to someone you don't know, not even your name! And just like you can't believe the information on every (7) _____out there, you can't always trust the strangers you "meet" on the Internet, either. Just like you could make up things about yourself when chatting with someone online, he or she could do the (10) _____to you!