外研版必修三英语M3第三单元教案.doc

Period 1 Introduction
Step 1. Warming up
Look at the picture and answer the following questions.
Q1. Have you ever heard of the tsunami in 2004?
Q2. When and where did it happen?
Q3. What kind of damage did it cause?
Q4. Can you list some of other natural disasters?
Q5. Tsunamis are natural occurrences. Can human
beings stop them?
Suggested answers:
Q1. Yes.
Q2. At the end of 2004, a massive earthquake sent tsunami smashing into Indian Ocean coastline. Many heavily populated areas disasters from it.
Q3. Sri Lanka , Indonesia , Thailand , India, Malaysia and East Africa destroyed by the monster waves, causing millions of deaths.
Q4. Flood, Fire, drought, landslide, earthquake, tornado, hurricane and so on.
Q5. No. Tsunamis are a natural occurrence related to the processes that shape the Earth's surface—earthquakes, volcanoes, and landslides. These processes are driven by the heat escaping from the Earth and gravity, and people cannot control these underlying forces.
Step 2. Vocabulary Learning
Match the words in the box with their definitions.
Flood hurricane lightning thunderstorm tornado
a lot of water in an area which is usually dry
a very strong wind or storm
a lot of rain falling quickly, with loud noises and flashes of light
the flash of light which happens during a thunderstorm
a column of air that turns very quickly.
Suggested answers:
A flood is a lot of water in an area which is usually dry.
A hurricane is a very strong wind and storm.
Lightning is the flash of light which occurs during a thunderstorm.
A thunderstorm is a lot of rain falling quickly, with loud noises and flashes of light.
A tornado is a column of air that turns very quickly.
Step 3 Function
Try to find mon characteristic of the sentences above.
Suggested answers:
Each sentences gives a definition of a word.
The Attributive Clause appears in each sentence.
When we give a definition of a word, the Attributive Clause is usually necessary and hopeful. We