课件18张PPT。MODULE3The Violence of NatureListening and vocabularyWhat can be produced in a volcano eruption?lava n. 熔岩; 岩浆ash n. 灰Read the passage and find these words. ash erupt lava tidal wave volcanolavaeruptvolcanotidal waveashWhen a volcano erupts, three of the outcomes are ash, lava and tidal waves.Explain the connections between the words in activity 1. Before you listen to a conversation, answer these questions.1. Ash and lava poured down the mountain, setting fire to hundreds of houses.
Does this mean that (a) a fire started or (b) a fire ended?2. Hundreds of houses caught fire when the lava reached them.
Does this mean that the fire started because of
(a) a person or (b) a natural event? 3. We managed to get half the population to another island. Does this mean it was (a) an easy thing to do or (b) a difficult thing to do?4. We put all the fires out.
Does this mean the fires
(a) are still burning or
(b) have finished?3. Is a volcanic eruption taking place
now?No, it isn’t.4. How many people have already left
the island?About 6,000.6. When will people be able to return to their homes?5. How many people were killed by the
eruption?None.They don’t know.Finish the exercise at activity3, page 25
Answers:
1 a 2 b 3 b 4 b
VOCABULARY 知识拓展:
1. set fire to sth. = set sth. on fire
放火烧, 使着火
eg. Ash and lava poured down the mountain,setting fire to hundreds of houses .
eg. Who set fire to the house ?
= Who set the house on fire?
2. on fire 着火(状态)
catch fire着火(动作)
make a fire 生火
put out the fire 灭火
play with the fire 玩火
3. There is the /no possibility of doing sth.
有、没有---的可能性
There is a /the /no possibility that ---
eg. There is no possibility of my working in that part.
Exercise
1.Ash and lava poured down the mountain, setting fire to hundreds of hourses.
Dose this mean that (a) a fire started (b)a fire ended.
2.Hundreds of houses caught fire when the lava reached them.
Dose this mean that the fire because of (a) a person (b) a natural event
3. We managed to get half the population to another island.
Dose this mean that it was (a)an easy thing to do. (b) a difficult thing to do.
4. We put all the fires out.
Dose this mean that (a) are still burning
(b) have finished
Homework回忆并写出Montserrat岛特点的所有词语,如a beautiful small island, …