Lesson 49

Teaching procedures:

Step 1 Revision

Ask the students to tell what they did during the winter vacation.

Ask the students the names of as many famous scientists as they know. Collect their names on the Bb. Ask the Ss to explain to the class what each person did. Add phrases next to the scientists’ names.

Step 2 Dialogue

1. Read the introduction to the students.

2. Play the tape for the students to listen.

3. Ask the students the question:

Who are the four famous people in the dialogue? (Lincoln, Marx, Bell, Einstein.)

4. Play the tape for the students to listen and follow.

5. Go through the dialogue briefly and make sure the students understand it. (Step3)

6. Let the students to practice the dialogue in-groups of four.

7. Ask one group to act the scene in front of the class.

Step 3 Language points

1. compare notes-exchange ideas or opinions交換意見(jiàn)看法，對(duì)筆記

The students in class one often compare notes after class.

compare…with… compare…to…

…Can/can’t compare with… compared to/with

2. note:

a ten-yuan note have small notes on sb

send sb a note make a note of sb/ sth

3. I’m doing a word puzzle in the newspaper.

do a word puzzle/ do a puzzle in words 猜字謎

fit the puzzle 對(duì)上了字謎 work out the puzzle 猜出字謎

*puzzle n. 難題，難以解釋的東西，如：

How life began is still a puzzle.

The murder case was a puzzle to the police.

* puzzle vt. 使人迷惑不解

The murder case continued to puzzle the police.

We were all puzzled at his words.

This is a puzzling case.

4. fight for/fight with/fight (against)

5. write books about/on sth.

Step 4 Guessing game

1. Read the instructions aloud. Demonstrate how to play this guessing game with a group of Ss. Write the name of a famous person on a piece of paper. Fold it so that it cannot be seen. Make students to ask you questions. You are only able to answer Yes or No. Then let the students play this game in groups of four.

2. Ex.1 on page73 can be done here.

Step 5 Consolidation

Do <<英語(yǔ)課課練>> L49

Homework:

Preview L50.