课前准备 Warm-up

How healthy are you? Do you have a healthy diet? Do you exercise regularly? Do you drink at least 8 glasses of water a day? Do you get enough sleep every day? Do you live a healthy lifestyle? Health is far more important than wealth and wisdom. How to live a healthy life and a longer life?
Brainstorm your ideas on the following questions.

Have you ever lived in the countryside? How is life in the countryside different from life in the cities?

Do you happen to know any long-lived people? What kind of life are they leading? What do they do? What do they eat?

What do you think are the keys to a long life?

Hint: The discussion must be conducted in the following aspect:

Your own experience and your true feelings

The lifestyle of any famous people or your relatives or someone you know

The way to keep fit and a long life

The way to avoid diseases

本章概览 An Overview

This unit introduces something about health and diseases. Passage one is about the secrets of a longer life. The author listed several places that were famous for the longevity and gave a summary on the similarities and differences of these areas. Passage two talks about how modern technology has been facilitating the disease detectives in the development of modern medicine.

学习目标 Objectives

Through discussion and learning, the students should

1.Acquire key words and expressions in talking about health and diseases

2.Get a general idea of health care and disease detectives

3.Be able to use the words and expressions in discussion

知识结构 Knowledge Structure

Passage One The Secrets of a Very Long Life

The lead-in of this article

The example of Hunza

The example of Caucasus Mountains

The example of Vilcabamba, Ecuador

The differences diets of three inhabitants

The similarities of the three regions

 

Passage Two Disease Detectives

The improvement of modern medicine changed by technology

The work of modern disease detectives

The purposes for studying DNA

Organ transplants