1. Why can living things live in such oceans around the Antarctica?
2. What does the whale feed on?
3. What is the difference between the sperm whale and other whales?
Method: Read the text individually, use question—and—answer activity.
Purpose: Improve the students’ reading ability.
Understand the general idea of each paragraph.
Step 5. Listening（book closed）
1. Listen to the tape then do an exercise（wb page 90, part 1）
2. True or false exercise.（on the screen）
Train the Ss’ listening ability and prepare for later exercises.
Step 6. Intensive reading
Read the passage carefully again and answer some detailed questions on the screen.
1. How much does a whale eat at a time?
2. Do all the whales feed on small fish?
3. How deep can a sperm whale dive?
It is also called depth reading or study reading. It means reading for detailed information.
Purpose: Further understand the text （Train further reading ability） to find out some different sentences and details of the text.
Step 7. Preparation for details of the text on the screen
1. ...its heart slows to half its normal speed.
slow-v. to become / make slower.
2. ...using sound wave
Present participle used as adverbial.
3. provide sth. for sb.
provide sb. with sth.
4. at a time: each time
5. grow to a length of...
Purpose: Train the Ss’ ability of understanding and using laguage.
Step 8. Consolidation
1. Find out the topic sentences.
2. Retell the passage according to the topic sentences.
Purpose: I want to know if my students understand the whole text really and if they master what I mean to tell them in this class. What’s more, I want to let them have the ability of introducing and analyzing expression. At the same time, I will write down the topic sentences on the blackboard according to what the students find, so they can retell it easily.
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