Book 6 Unit 5 The Power of Nature.学案doc
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1 Unit 5 The Power of Nature
An Exciting Job
Learners' sheet
课前预习
一、单词识记：
1. ___________ n. 图解; 图表; 示意图 2. ___________ n. 火山
3. __________ vi. 爆发；喷出 4. __________vt. 评价；估价
5. __________ vt. 泉水般地涌出(或喷出) n. 喷泉 6.__________ n. 飓风；风暴
7. __________adv. 在旁边 pre. 在......旁边
8. __________n. 设备 9. __________ vt. 任命
10. __________n. 波浪；波涛 vi. 波动；起伏；挥手
11. __________ adj. 绝对的；完全的
12. __________n. 一套外衣；套装 vt. 适合；使适宜
13. __________adj. 潜在的
二、重点短语（掌握）
1. ________ 把……与……比较
2.____________ 把…烧成焦土；夷为平地
3. ___________ 前往；去
三、Background：
How Volcanoes Are Made
Most volcanoes are made where tectonic plates （构造板块）come together. These
plates move over each other, which causes magma（岩浆）to rise to the surface
through weak places in the crust (地壳).
Typhoon: a tropical storm in the region of the Indian or western Pacific oceans
Hurricane: a storm with a violent wind
Snowstorm：heavy fall of snow
Landslide：the sliding down of a mass of earth or rock from a mountain
Volcano：a mountain or hill having a crater through which lava, hot vapour, and gas are
erupted from the earth's crust
Tsunami：a long high sea wave caused by an earthquake
Earthquake：a sudden violent shaking of the ground, typically causing great destruction,
as a result of movements within the earth's crust or volcanic action
Flood：an overflowing of a large amount of water beyond its normal confines 2 Sandstorm：a strong wind carrying clouds of sand with it, especially in a desert
An extinct volcano : (of a volcano) not having erupted in recorded history (死火山)
An active volcano: (of a volcano) that is erupting or has erupted in historical times （活火山）
A dormant volcano: (of a volcano) temporarily inactive （休眠火山）
课内探究
一、Discussion
Do you know any other natural disasters showing the power of nature?
Please work with your partners and make a list of natural disasters.
____________________________________________________________
____________________________________________________________
二、 Name the natural disasters according to the pictures below.
_______________ _______________ _______________
______________ _______________________ _____________
3
______________ ______________________
三、Learn more about volcano
2. What types of volcanoes do you know?
_______________ _______________ _______________
四、Can you imagine climbing into a live volcano in order to take the
temperature of the boiling rock inside?
Have you ever imagined doing such dangerous work as part of your job?
Reading: An Exciting Job
Task 1 Skimming
Match the main ideas and the paragraphs
Para. 1 The work we did after the eruption
Para. 2 My job is to collect information to help predict the volcano
Para. 3 I have the greatest job of great importance 4 Para. 4 I am still amazed at the volcano
Para. 5 The damage caused by the eruption and my first witness of
the eruption
Task 2 Scanning
1. Scan the whole text and decide the following sentences True or False
1). The author sometimes feels bored because his job is tiring and
dangerous.
2). It was on the second day after the author arrived in Hawaii that he
first witnessed the eruption of the volcano.
3). No one lives near the top of Mount Kilauea so the eruption of the
volcano doesn’t cause much damage. The general
description of my job I travel to ________ places and work with people
from all over the world.
My job is _______ dangerous.
My job is to collect information for a(n) _______
about Mount Kilauea to help predict where lava
from the volcano will flow next and how fast.
Our work has __________ many lives because
people in the path of the lava can be warned to
leave their houses. 5 2. Scan the text again and fill in the blank according the text.
Task 3 Careful reading
1. Read the text carefully and then answer the following sentences
1). Why is a volcanologist’s job important ?
________________________________________________________________________________________________________________________________________________
2). What made the author realize that an eruption occurred ?
⑴ my bed_________________________________________
⑵ a strange_________________________________________
⑶ My bedroom____________________________________
④ an absolutely_____________________________________
⑸ red hot lava________________________________________ The damage of the
volcanic eruption The lava that flows ________ the mountain causes
great damage because it buries everything in its
