高中英语Unit3ComputersSectionⅡWarmingUp

number. Who am I?
telephone
7. It is a machine, which you can use to type your homework, draw pictures, play games, watch movies, listen to music, communicate with your friends, gather information…
Personal Digital Assistant
Robot
Discussion:
What do they have in common? • I think that… • In my opinion…
Giving an • I believe that… opinion: • What’ s your reason?
floppy disc/disk
USB flash disc
MP4 player CD/VCD/DVD MP3 player
Hard disc:
移动硬盘
1 TB 固态硬盘
USB Flash disc
1T 硬盘
Other useful words and expressions
about computer:
E-mail E-pal
1.Help to do homework 2.Play computer games 3.Send e-mails 4.Listen to music 5.See movies 6.Chat 7.Search for information 8.Do shopping 9.Learn computer skills
Complete the sentences.

? Internet
universal machine laptop/ notebook)
PC
Let me show some to you.
The whole class will be divided into 3 groups ,and each group send a student to stand before the platform , who guess what the object is and the rest of the group mates try to describe them (no movements) to let his or her group representative guess what the object is and the group mates who guess the object must use the following expressions:
I think it is…… In my opinion, it is…… I believe it is…… ……
1. I am a machine which is a good helper in doing house work. I wash clothes for people. Who am I?
c) pocket c) site c) sign c) load c) toy c) late c) system
What are the whole names of the followings?
1. PC: Personal computer 2. IT: Information technology 3. DVD: Digital video disc 4. W.W.W: World Wide Web 5. 科学技术：Science and technology 6. 人工智能： Artificial Intelligence 7. 笔记本电脑：Notebook computer

send emails to friends
download music and filon the computer
draw pictures
use a computer
for school work
take part in
chat groups
Who am I ?
TV set
Riddles(谜语):
I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems.
Who am I?
The computer grew rapidly both in 1936 size and in brainpower.
The computer had grown as large 1940s as a room. The first family of computers was 1960s connected to each other. Computers were used in offices 1970s and homes. Computers connect people all over Now the world together.
Reading Comprehension III Match the main ideas and the paragraphs. These changes only became Para 1: possible as my memory improved. Para 2: Since the 1970s many new applications have been found for me. Para 3: Over time I have been changed quite a lot.

1960s
Match the words with their meanings.
1 A monitor is 2 The screen is 3 A keyboard is 4 A mouse is 5 A CD-ROM is 6 A hard disk is
(a) the part of a computer that stores information.
calculator
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?
abacus
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?
solve any mathematical problems.
F
2. People began to realize that the computer got
cleverer and quicker with time passing. T
3. The computer began to serve the human race