Unit 5 The power of nature教案
ask students to read the passage aloud to the tape and let them pay attention to the pronunciation of each word and the pauses within each sentence.tell them to pick out all the useful expressions or collocations from the passage while reading and copy them to the notebook after class as homework.
collocations：make one's way，a live volcano，be about to do，look down into，out of the way，be covered with，burn to the ground，attach...to...，compare...with...，run out of
step 6 structure analyzing
after reading，ask students to discuss the text structure.
keys for reference：
this passage is a first－person account of a volcanologist's experiences.the volcanologist described his exciting job and wrote down his first sight of an eruption.the first paragraph introduces the topic and the theme of the text.the rest of the text presents the information in chronological order.a feature of an account of a volcanologist's experiences is the abundance of time expressions.the last sentence of the report functions as a conclusion.in addition，each section begins with a topic sentence.
step 7 retelling
ask students to talk about the volcanologist's experiences in their own words.give them some key words and expressions.then let them try to retell the passage.
step 8 homework
1.learn the useful new words and expressions in this part by heart.
2.try to find more pictures showing natural forces and talk about them.
step 9 reflection after teaching
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reading：an exciting job
step ⅰ：lead－in
step ⅱ：fast reading：read the passage an exciting job as quickly as you can and try to get the main idea of the passage.
what is the main idea of the passage?
a.an eruption occurred in hawaii.
b.a volcanologist's job is exciting.
c.a volcanologist's exciting job and his first sight of an eruption.
d.a sight of an eruption is horrible.
step ⅲ：detailed reading
1.read the first and the second paragraphs and finish the following tasks.
①why is a volcanologist's job important?
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②the 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 thinks his job the most important
d.he is excited about danger and feels alive
③ as a result of the volcanologist's job，______.