【正文】
with a puter? There are many ways, including keyboard, mouse pointer, and touch screen. I often use a keyboard. When I press right keys, I can see and hear whatever I want. Information world is at my fingertip. I wish that true speech inputoutput system would be invented one day. As teachers, puters have a lot of virtues: They are positive, they have good memories and never lose any information stored in them. They have much knowledge in every field. They can let out all kinds of sounds, and can also improve the efficiency of our study