Unit3Computers

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Unit 3 Computers

Period 2

Warming up and pre-reading

Aims:

1．Ability aims:

To inspire students with strong interest in the computers and improve students’ English ability.

2. Knowledge aims:

1).Learn how to describe different kinds of computers in English.

2). To learn and remember the following words: abacus; calculator; PC; laptop; PDA; robot; development; universal.

personal

application

finance

mobile

explore

anyhow

goal

adj. 私人的；个人的；亲自的

n. 应用

n. 金融；财经

adj. 可移动的；机动的

vt.& vi. 探索；探测；探究

adv. 无论如何；即使如此

n. 目标；目的；球门；得分

signal

type

arise

electronic

appearance

character

reality

vt.& vi. 发信号

n. 信号

n. 类型

vi. 出现；发生

adj. 电子的

n. 外观；外貌；出现

n. 性格；特点

n. 真实；事实；现实

get together

in a way

make up

after all

with the help of

deal with

watch over

聚到一起

在某种程度上

化妆；组成

毕竟；终究

在XXXXXXXXXX的帮助下

处理；涉及

监视

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?

abacus

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.

Do you know who I am?

laptop

PDA

Personal Digital Assistant

I am so small in size that I can fit in your hand. I usually have a small screen usually bigger than a digital phone, however smaller than the smallest laptop, I’m a great way to store telephone numbers, access the internet, make calculations, and so on.

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?

calculator

I am very big. Scientists use me to solve some mathematical problems.

huge computer

Do you know who I am?

robot

I’m a machine that works automatically.

I can do a wide variety of tasks, especially suitable for doing jobs too boring, difficult,

or dangerous for human beings.

Do you know who I am?

PC

Personal Computer

I’m a small, relatively inexpensive computer designed for an individual user. I’m based on the microprocessor technology. At home, people use me to surf the Internet and play games.

Do you know who I am?

PDA

abacus

calculator

huge

computer

PC

laptop

What’s

next?

Can you tell the development of computers?

robot

Do you know in what ways computers

are used today?

Work out a list and compare it with

your partner.

search for XXXXX

see movies

listen to music

read books and magazines

send e-mails to friends

download music

and films

buy things on line

play games on

the computer

look at photographs

on the computer

use a computer

for school work

take part in

chat groups

常见计算机术语

Computer jargon

CPU - Another name for processor,

Data - Information stored on a computer,

Disk - A place to store data,

Email - Electronic mail,

Load - Get data from a disk,

Save - Put data on a disk,

RAM - Memory, the more the better,

USB - A method to plug computer tools into machine,

WWW - World Wide Web, part of the Internet

Homework

1.Finish exercise of this period.

2.Pre-view the text and underline the difficult points.[全文已结束，注意以上仅为全文的文字预览，不包含图片和表格以及排版]

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