Learning about Language教学设计(第一课时)

Unit 3 Computers 教学设计

一．教学目标和核心素养

二．教学重难点

Key points Master the following words and phrases:

calculate; universal; simplify; sum; logical; technology; artificial; intelligence; solve; reality; totally; mobile; explore; anyhow; goal; from …on; as a result; so…that; human race

IV. Difficult points 1.Remember the new words. 2.Use the words and phrases in this period correctly.

三．教学过程

IV. Teaching procedure:.

Step 1

Greetings

The teacher greet the whole class. Step 2 Words preview:

Teacher lead the students preview some new words of this unit. Step 3.

Warming up 1.

Warming up by guessing the riddles. (1). 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.

(2). 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.

(3). 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.

(4). I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems.

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

(6). 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.

(7). 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.

( answers: 1. abacus, 2. laptop; 3. PDA; 4. calculator; 5. huge computer; 6. robot; 7. PC ) Teacher describes the things ,ask students try to guess, 2.

Number the order of the abovr things according to the development of computers. (abacus→culculator→huge computer→PC→laptop→PDA→robot )

Step 4

Discussion: Students may be very familiar with the computer ,so let them discuss the following question with their group members. Do you know in what ways computers are used today?

Work out a list and compare it with your partner. ( After the discussion , ask some of the groups to talk about the usage of the computers before all the class in English.) Step 5

Introduction of the Computer jargon Teacher ask the students to share information about the Computer jargon they got before class. 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

Step 6 Homework 1.Memorize the new words learnt in this period. 2. Preview the warming up and pre-reading and try to answer the questions in warming up. 3. Try to find some information about the development of computers.