Unit 4 Section A 课件— 2021-2022学年高二英语浙江版中职教材第三册

Unit 4 The Internet Section A Let’s learn The greatest inventions in the 20th century Do you know…? Which invention do you think is the greatest? 如果没有声音,请双击喇叭. Let’s guess Do you know…? It’s one of the greatest inventions in the 20th century. It was invented in the 1960s. We can do a lot of things on it. We can read news, watch movies, listen to music on it. We can do shopping without leaving home. It’s ___________________. the Internet Let’s guess Do you know…? It’s one of the greatest inventions in the 20th century. It was invented in the 1940s. It was very large and expensive at first. Now it’s small and cheap. We can play games, deal with documents, etc. It’s ___________________. the computer How much do you know about the computer? Let’s learn Do you know…? monitor /5mDnItE/ 显示器 Computer hardware mainframe /5meInfreIm/ 主机 Click the picture to listen to the pronunciation. Let’s learn Do you know…? keyboard 键盘 Computer hardware mouse /maus/ 鼠标 /5ki:bɔ:d/ Click the picture to listen to the pronunciation. Let’s learn Do you know…? hard disk 硬盘 Computer hardware USB flash disk U盘 Click the picture to listen to the pronunciation. Let’s match Lead-in monitor mouse USB flash disk mainframe hard disk keyboard (1) (2) (3) (4) (5) (6) Let’s play Remove the cover A B C D E F mainframe keyboard mouse monitor USB flash disk hard disk Let’s play Guessing game I’m the most important, the heart of the computer. I’m small but have a long tail, you can click on me. You can type words on me. I can store a lot of information. I’m small and can be put into a computer to give it more memory. I’m ___________________. I’m ___________________. I’m ___________________. I’m ___________________. I’m ___________________. the mainframe the mouse the keyboard the hard disk the USB flash disk Do you know any software of our computer? Let’s learn Do you know…? Computer Software Microsoft Windows Microsoft Office Who is Father of Microsoft? Let’s