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For most __1__, non-stop Internet connectivity is the fuel of college life. __2__just toys, this instruments are powerful tools for the storage and management of virtually every kind of information. And as more people around the world _3___ this instruments, they are becoming indispensable. So students should use the __4__ of the Internet to do homework , review lecture outlines, take part in class discussions and network online with their friends. But in doing so, students must remember to regulate and ___5__their time.Too much time online can__6__ too little time in real-life studying or exercising or visiting with friends. Students should not let the Internet world on their computer screens take them away from __7__outside.