新课引入：

 Step1, Presentation

1.      Look at the pictures and discuss: what can you think of when you see the pictures? → murder, murderer, detective, criminal, crime, suspect, victim, police

2.      Read the new words after the teacher and practice them.

3.      People usually think a clever detective is very important in a case. Do you think so? Do you know these detectives?

4.      Discussion: what qualities should a detective have?

亮标：

Show the students the learning aims

自学指导

Step 2   Presentation

Write the new words on the blackboard and practice reading them.

评讲与拓展

Step3 Comic strip

1.      Here is a detective in our comic strip, too. Listen to the tape and answer the questions.

2.      Listen again and repeat. Then practice it by the students themselves. ( Recite it or act it out.)

3.      Practice the useful expressions. (dress, look for, go missing)

Step3, Welcome to the unit

1.      A murder happened last Saturday. The detective wrote a report. Let’s read it and try to be a detective.

2.      Go through Part A on page 95 together and practice the new words.

3.      Do some exercises according to the report.

4.      Go through Part B in pairs.

5.      Practice the useful expressions. (report, happen, suspect, note, height)

课堂小结：

Ask some students to recite the dialogue

课堂训练：