阅读理解：Only 50 years ago, computers were bigger than people
进入查看：2022-2023学年英语周报九年级第6期答案及试题（初三第六期）
Only 50 years ago, computers were bigger than people. Nowadays, people can carry their laptops with them everywhere they go. Soon, we may be able to step inside a computer world thanks to the magic of virtual reality（虚拟现实）.
If something is virtual, then it is created by computer technology and appears as if it were real. Virtual reality is a computer system with a special headset（耳机）. When you put on the headset, you look at two tiny television screens. They are so close to your eyes that your mind will see the image as one picture, and you will believe that you have entered a different world. In many systems, you also wear a special data glove. With this glove you can reach out and touch things in the artificial world.
The first VR games, already sold around the world, enable you to drive a sports car, fly a plane, or fight an enemy. In the future, it may be difficult to tell the virtual world of the games from the real world outside. However, VR is not just for entertainment. One day, cheerful children will be able to learn geography by observing exciting foreign countries without having to leave their classroom. They will be excited to learn history by visiting the pyramids of Egypt, or by hand-feeding friendly dinosaurs. In addition, business will be able to use VR for many tasks. Cars designed using computers can be tested as virtual machines first, before they are produced in metal. Architects（建筑师） will be able to make virtual buildings, which they can walk around and check ahead of schedule. VR can help us in hundreds ways.
