Unit 3 Computers

WORD STUDY

Match the words with their meanings!

calculate

simple-minded

technological revolution

artificial

intelligence

mathematical

analytical

A made or produced by man; not realB of mathsC unable to understand difficult thingsD power of learning, understanding and reasoning; mental abilityE of the study of something by examining its parts and their relationshipF complete change in scientific fieldG work something out by using numbers

G

C

F

A

D

B

E

Make a survey 1) Ask at least six classmates the following two questions and take notes: How often do Ss. use computers? What do they use computers to do?2) Make a short report in this way:On an average, they use computers ______ times a week. They mainly use computers to/ in __________.

 

• An abacus

• A huge computer

• A calculator

• A PC

• A notebook computer

Sth. in common differences

size

use

speed

invention

help work with numbers

Reading comprehension

Fast reading: ---Get the main idea. ---Find out “Who/What am I”.

• *The main idea of the Reading:

• It tells us the ________ and __________of computers.

history development

•*I am _____________.a computer

Careful reading---Finish the timeline on Page19

Timeline1642: ___________________________________________: The Analytical Machine was made by Charles Babbage.1936: __________________________________

1960s: ______________________________________

_____: The first family of computers was connected to each other.1970s: ______________________________________

Now: _______________________________________

The computer began as a calculating machine.1822

Alan Turing wrote a book to describe how computers could be made.Computers had new transistors and became smaller.

1960s

Computers were brought into people’s homes.

Computers connect people all over the world together.

      Activity: An interview

• Suppose you are a reporter. Now you are interviewing Mr./Miss Computer.

• Work with your group members to think out some interesting questions.

• Sample questions:*What is your newest function( 功能） ?*Can you say something about your future plan?*What do you like to eat?*What are your hobbies?

• Work with your partners to practise this interview. One acts as Mr./Miss Computer, and the other the reporters.

• Sentence focus:

• 1.I follow instructions from cards with holes. 我执行穿孔卡的命令。

• 2. My real father was Alan Turing, who in 1936 wrote a book to describe how computers could be made to work, and built a “universal machine” to solve any mathematical problem.

• 3.As the years have gone by, I have been made smaller and smaller.

• as 此处引导时间状语从句，意为“随着…” ;

• 4. I was always so lonely standing there by myself, …

standing there by myself 是 v.ing 形式做伴随状语• 5. …they gave me a family connected by a network.

connected by a network 是过去分词短语做定语，修饰 family, 相当于定从： which was connected by a network.

• 6. At about the same time we learned to talk to humans using BASIC.

using BASIC 是 v.ing 形式做方式状语，表示“通过用…” ; 相当于“ by using …” 。