Unit 3 Computers 一、 重点单词order n.1.订购 2.命令v 命令compare 比较monitor 1. 显示器 2.班长speaker n.1.扬声器 2.演讲家 --speak main unit 主机keyboard 键盘mouse 1.鼠标(pl: mouses) 2.老鼠（ pl: mice）type v.打字 n.类型brain 脑control v&n.控制 --controller n.控制者expensive 昂贵的tiny 极小的depend v.依赖 --dependent adj 依赖的speed 速度operate v.操作 --operation n,操作，手术railway 铁路系统company 公司price 价格total 总额inch 英寸sell(sold,sold) 出售calculate v.计算 ---calculator n.计算器 --calculation n.计算popular adj.流行的 --popularity n.流行I 根据题意和括号内的提示，填写句子所缺的单词。1. We move a _____ (鼠标 ) to control the computer. 2. The _______ (显示器 ) shows words and pictures. 3. We heard the sound from these ______(扬声器 ). 4. When you called me, I was _______(操作 ) a machine. 5. We use _____ (键盘 ) for typing. 6. Listen to a woman making a phone ______ (订货 ) 7. We can ________ (比较 ) things by using the comparative. 8.Computers can _______ (计算 ) at a faster speed. II 根据所给首字母提示，填写句子所缺的单词。9. We can’t be d_______ our parents all the time. 10. Can you teach me how to o______ the machine. 11. Use your b______ , then you’ll have an idea. 12. We can also use typewrites for t______ in information. 13. We saw a cat catching some m______running in the street. 14. K______ are used to type in information. 15. Maybe there are many t______ computers in our house, but we can’t find them easily. 16. MeiMei was the first to reach the top of the mountain because she could run at a very fast s_______. 二、 Reading部分语言点▲★1. compare v 比较compare... with.... 把....和...比较compare.... to.... :把...比作 ... Don’t compare my daughter with others. He compared the little girl to a cat....
