人教版高中英语必修二:Unit 3 Computers Warming up and pre-reading课件(共22张PPT)

文档属性

名称 人教版高中英语必修二:Unit 3 Computers Warming up and pre-reading课件(共22张PPT)
格式 zip
文件大小 1.4MB
资源类型 教案
版本资源 人教版(新课程标准)
科目 英语
更新时间 2015-12-22 10:07:49

图片预览

文档简介

课件22张PPT。Unit 3 ComputersPeriod 2
Warming up and pre-readingAims: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
goaladj. 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Words previewsignal
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 Words previewget 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……的帮助下
处理;涉及
监视Expressions previewI 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?abacusRiddles (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?laptopPDA
Personal Digital AssistantI 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?calculatorI am very big. Scientists use me to solve some mathematical problems. huge computerDo you know who I am?robotI’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 ComputerI’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?PDAabacuscalculatorhuge
computerPClaptopWhat’s
next?Can you tell the development of computers?robotDo you know in what ways computers
are used today?
Work out a list and compare it with
your partner.search for …see movieslisten to musicread books and magazinessend e-mails to friendsdownload music
and filmsbuy things on lineplay games on
the computerlook at photographs
on the computeruse a computer
for school worktake 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 Homework1.Finish exercise of this period.
2.Pre-view the text and underline the difficult points.