人教版高中英语必修二unit3 Period 1 Warming up listening PPT课件(共29张PPT).ppt

I am very old now. I was born in China. Many people used me for calculating in the past, but now I am a bit lonely because they don’t like me now. Do you know who I am? I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems. Do you know who I am? words and expression Mathematical Calculator (n.) IT PC In my opinion Homework 1.预习unit3的reading部分(写在预习本上) 2.书P56的EX1和P57的EX2(上) 3.阅读导与测p18 4.复习第一二单元. * * A toy? A handbag? Riddles(谜语): abacus Riddles(谜语): calculator Riddles(谜语): I can be used for calculating. Besides, I can also be used for watching DVD, sending e-mail and communicating through the Internet. However, I am not a PC, because I’m small enough for you to take me with you. notebook computer Do you know who I am? Riddles(谜语): A huge computer A PC Palmtop How much do you know about a computer??? Give the English name of the following pictures of the computer components (组件) What is it in English?? Main board(主板) What is it in English?? CPU (central processing Unit) 中央处理器 What is it in English?? hard disc What is it in English?? Keyboard (键盘) What is it in English?? monitor screen What is it in English?? mouse 鼠标 DVD ROM monitor screen mouse keyboard hard disk DVD-ROM (1) the part of the computer that looks like a television. (2) the part of the monitor that you look at. (3) something you use to click on things (files, etc.) (4) the part of the computer that you type on. (5) the part of a computer that stores information. (6) The part of computer that we can put a CD in. Work out the names 1.Besides computer, what else can we get information from? 2.Which is more useful, a TV or a radio? why? 3.What can we do with a computer? Computer and Internet type my homework draw pictures play games communicate with my friends. gather information for my lessons listen to music watch movies …… Listen to the tape and answer the following questions. 1.What kinds of IT are menti