2. Unit 6 Animal Intelligence What is intelligence?intelligence Ranking Main idea Some animals seem capable of thinking when it is their own interests to do so. Structure of the text Structure Functions of subheadings Functions Transitional devices

3. Language points: 1. extensive, extensively 2. Surround surrounding be surrounded by 3. Explore v. e.g. Te engineers have already explored the possibility of building a bridge across the rive. Both adults and children find it exciting to explore space. (travel over a region, area,etc.) for the purpose of discovery)

4. 4. Serve v. serve our country dinner the served ( is ready) Four waiters served lunch to us. serve coffee, tea 5. Encounter met unexpectedly 6. be Lack of be short of lack of money is what we need to solve badly. 7. Convince sb. of sth.

5. Convince s. that Be convinced We finally convinced the police of our innocence. Convincing v. 8. Only to do sth. He had only tried inviting her out, only to meet with a rather cool response. 9. Relieve v.taking part-time job would relieve you of the financial burden. Drugs can relieve much of the pain.

6. 10. Undertake : a task, a role, responsibility, work mission, project 11. Be in sb. interest(s): for or to sb. advantage it would be in your interest to undertake this task although it is difficult. I abandon the plan for a new chemical plant because it is no in the public interest. the interest (s) of sb.: for the sake of sth. In the interest(s) of safety, please do not smoke.