高一年級英語作文:Please protect our environm

    時間:2022-02-01 10:43:56 高一年級英語作文 我要投稿

    高一年級英語作文:Please protect our environment

      Computers started to become popular with big companies in the 1960s.

    高一年級英語作文:Please protect our environment

      Computer

      You’ve probably known about computers your whole life. But computers have not really been around for very long. Computers started to become popular with big companies in the 1960s. Computers didn’t become widespread in homes and schools until the 1980s.

      HOW DO PEOPLE USE COMPUTERS?

      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.

      Scientists use computers to solve research problems. Engineers use computers to make cars, trucks, and airplanes. Architects use computers to design houses and other buildings. The police use computers to track down criminals. The military uses computers to make and read coded messages.

    国产一级a爱做免费播放_91揄拍久久久久无码免费_欧美视频在线播放精品a_亚洲成色在线综合网站免费

      亚洲精品在线看 | 一本一本大道香蕉久在线精品 | 色悠久久网国产精品99 | 在线亚洲乱码视频 | 婷婷六月激情综合一区 | 伊人久久大香线焦综合5g |