课件19张PPT。The Power of NatureUnit 51.How is a volcano formed?The rocks under the earth becomes hotter and hotter and erupted from the mountain. gasliquidsolidLava(熔岩)vapour水蒸气,
carbon dioxide, nitrogen(氮), sulphur(硫磺), etc.bits of rock and volcanic ash, etc.2.What will be produced after the eruption of volcano?Unit 5
An Exciting JobDoes the writer like his job?
2. Where is Mount Kilauea? Skimming 3. What is the volcanologist wearing when getting close to the crater?1. Does the writer like his job?
2. Where is Mount Kilauea?Yes.It is in Hawaii. Skimming 3. What is the volcanologist wearing when getting close to the crater?He is wearing white protective suits that covered his whole body, helmets, big boots and special gloves, just like a spaceman.1.What shows that the author like his job in para 1 and the last para?I have the greatest
job in the worldDanger excites me and
makes me feel aliveI am just as enthusiastic about my jobs …Read the passage and answer:ScanningI am still amazed at their beauty …3.What did the scientists do after the eruption?Dropped
as close as
possible to the craterSlowly made
our way to the
edge of the craterLooked
down into
the red, boiling centreClimbed down
into the crater to collect some lavaAnswer these questions using complete sentences on page 35Comprehending1. Why is a volcanologist’s job important?
3. Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption?
Volcanologists study volcanoes so that they can warn people when the volcano is going to erupt and so save many lives.The lava flows down the mountain and can cover up or burn villages in its path. The rocks that erupt from the volcano usually don’t damage anything because no one lives near the crater.5. Why did the scientists have to get close to the volcano after it began erupting?
6. Why was it difficult for writer to walk towards the edge of the crater?
The scientists needed to get samples of the lava so they could study them.The author was wearing special protective clothing that made it difficult to walk.
7. What does the writer find impressive about volcanoes even after studying them for 20 years?The author is amazed at the beauty of the eruption and its potential to cause great destruction.1 The writer doesn’t mind the occasional danger of his job because ______.
A He travels to unusual places and meets interesting people from all over the world
B He likes the different ways of working
C He is excited about dangers and feels alive
D He thinks his job the most important Choose the best answer:C2 What does the writer mean by using ‘lucky’ in the sentence ‘I was lucky enough to have a much closer look at it’?
A He felt much safer on the top while the other two scientists climbed down into the crater
B It was his first sight of an eruption
C It was the first time for him to watch the crater
D Both B and C DThe writer describes his job and its importance.The writer describes his first sight of a volcano eruption.The writer describes his first closer look at a volcano eruption.The writer states again his love for his work and volcanoes.Para 2Para 5Para 4Para 3Para 1(Paras. 1-2)(Paras. 3-4)(Para 5)What the writer’s job is and the importance of his job.The writer’s experience of watching the volcano eruption.The reasons why the writer is enthusiastic about his job.Homework 1. Finish the exercises in Discovering useful words and expressions on page 35-36.
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