People use computers in many ways. Stores use computers to keep track of products and check you out at the cash register. Banks use computers to send money all over the world.

　　Computers help teachers keep track of lessons and grades. They help students do research and learn. Computers let you hook up to networks (many computers hooked together). They let you hook up to a worldwide network called the Internet.

中學(xué)生寫作指導(dǎo)、寫作素材、優(yōu)秀作文以及有獎活動

盡在“作文網(wǎng)”微信公眾號