学习目标：1. 帮助学生更多地了解海洋（海底）生物。
2. 培养学生热爱和保护海洋生物的意识。
3. 掌握本单元教学目的和要求中的词汇用法。
4. 学会在写作中表达责备、抱怨及要求赔偿。
学习重点：复习动词-ing形式并学习其被动式。
课前预习
I. Read the passage and find out the following phrases from the passage.
1. 整理住处______________________ 2. 及时（做）某事；来得及---______________________
3. 大声喊叫 ______________________ 4. 在---前面______________________
5. 一刻不停地______________________ 6. 朝海湾方向驶去______________________
7. 给某人带路______________________ 8. 一群______________________
9. 最精彩的事______________________ 10. 瞄准；对准______________________
11. 放开，松手______________________ 12. 翻身；转身；翻转______________________
13. 在此期间，与此同时______________________ 14. 饱餐一顿______________________
15. 靠近某人______________________ 16. 被稳稳地托住______________________
17. 帮助（某人）摆脱困境或危难______________________
II. Read the text and choose the best answer.
1. What’s the main idea of this passage ?
A. About a big fish which helped the fishermen.
B. About great whales which helped the whalers out.
C. About the whalers who were surviving on the sea.
D. About the whale station where the whalers could catch the whales.
