3.
阅读理解
A computer can do more than one thing at a
time. A modern computer uses windows. It has more than one window open at a time.
You can do a different thing on each window.
In the future, computers will get smaller and
work faster. There are already computers that you can hold in your hand. Mobile
phones have computers in them and you can use them to send e-mails on the
internet. Keyboards will disappear from computers. In the future, you will be
able to talk to a computer. It will understand your voice and do what you tell
it to do.
Computer will get cheaper and will be used
more widely than they are used today.