Unit 8 Computers and Security
---Listen and Talk
1.To train the students’ ability to listen through listening practice.
2.To cultivate the students’ ability to talk about computer viruses.
3.To let students learn something should be done to protect against computer
3rd period：Dialogue samples(30min)
4th period：Communicative tasks(20min)
1.Lead-in: Listen to the passage at least 3times and try to fill the missing words in
2.Discussion: Several pictures and ad videos are presented to encourage students
to talk about computer.
3.Dialogue samples: Two dialogues
Dialogue 1 Talking about computer security
Dialogue 2 Talking about computer viruses
4. Communicative tasks: Two situations are designed to help students practice oral English.
Task 1 Talking about computers and security
Task 2 Talking about computers and security
IV. Teaching Procedures
Step1:Teach students the words on P 193.
Step2: Ask the students to listen to the passage at least 3 times and try to fill the missing words in the blanks.
1.Allow sb to do sth: enable sb to do sth
2.Type in: 键入
4.at one’s fingertips:近在手边，随时可用，方便
Step3: Ask students to fill the blanks and translate them.
Step 1. Show students some pictures about computer. Then ask students to form partners or groups to discuss these questions.
1)Talk about what you use a computer for.