高中英语SEFC Book 2A Unit 12 教案

Allow the Ss a few moments to carry out the task. Check the answers.

3. The second listening

A.  Listening and explanation

Play the tape again.Let the Ss listen the second time. While listening, I explain the language points.  Make sure the Ss understand it.

a.    the other day = a few days ago

b    They don't get enough air:

With a bowl, only a small surface area of the water is in contact with the air. So the water does not receive enough oxygen.

c    30 cm by 30 cm by 50 cm.

      We describe two-dimensional and three-dimensional measurements using the word by. So the length of the tank is 50 cm, and the width and height both 30 cm.

e       underwater plants:

      These plants oxygenate the water and keep it clean.

d    For one thing = one reason (for putting plants in the tank)

Step 5 .  Practice and deep understanding

a. Following

Let the Ss  listen and follow the dialogue,then I ask a few pairs to act the scene in front of the class.

b. Question

Why should Kate get a large tank to keep the fish in?

(With a bowl, only a small surface area of the water is in contact with the air. So the water does not receive enough oxygen.)

c. Moral lessons

Keeping fish or birds or keeping any other animal can bring us happiness and enjoyment. It can cultivate our healthy hobby. So we must love these animals. They are our good friends. We are living on the eart