1、Unit5 The power of naturePre-reading Reading & Post-reading教案Goals: 1.To learn about the power of nature.2.To develop some basic reading skills.3.To arouse Ss interest in learning about all kinds of disaster s in the world.Teaching procedures:Step 1 Warming upPurpose: To arouse Ss interest in learni
2、ng about the power of nature .Ask the students to get on the line and prepare something for the power of nature ahead of time and share the information you have found.Warming up by reading aloud the text AN EXCITING JOBWe promote reading aloud to students and by students in order to result in a sens
3、e of English and a desire to become a fluent English speaker .So Read aloud and circle all the examples of “-ing form ” in the text.Step 2 Pre-readingPurpose: To have the students learn about some natural disasters .To get the students learn about the reason why the volcanoes erupt and how it happen
4、s.Discuss the questions with a partner.1. Have you ever experienced a typhoon, a snowstorm or a hailstorm (冰雹)？Tell your partner what it was like.2. Look at the picture below. What do you think has happened to the house?3. Read the information beside the picture. How do you think you would feel duri
5、ng the cyclone and after it was over?DARWIN DESTROYED IN ONE NIGHTAt 1 am on 25 December 1974 a fierce(猛烈的)cyclone(旋风)hit Darwin, a city in the far north of Australia. Winds of up to 170 kilometers swept through the city, tearing roofs from houses, pulling up trees and turning over cars. Seven hours
6、 later, the cyclone moved away from Darwin and all was peaceful again. The damage to Darwin was huge and almost the whole city had to be rebuilt.Step 3 Reading1.Skimming and canning.Purpose: To get a brief understanding of the text and to get the students to have some details in the text.1. Read the
7、 text quickly and try to get some details from the text. Work in pairs and try to ask and answer questions from the text. Questions can be like these.(1). Why is a volcanologists job important?(2). Where is Mount Kilauea?(3). Why is the lava that flows on Mount Kilauea more dangerous than the actual
8、 eruption?(4). What caused the writers bedroom to become as bright as day even though it was night?(5). Why did the scientists have to get close to the volcano after it began erupting?(6). Why was it difficult for the writer to walk towards the edge of the crater?(7). What does the writer find impre
9、ssive about volcanoes even after studying them for many years?Suggested answers:(1). Volcanologists study volcanoes so that they can warn people when the volcano is going to erupt and so save many lives.(2). Mount Kilauea is in Hawaii.(3). The lava flows down the mountain and can cover up or burn vi
10、llages in its path .The rocks that erupt from the volcano usually dont damage anything because no one lives near the crater.(4). The light was caused by the red-hot rocks and gas that erupted from the volcano.(5). The scientists needed get samples of the lava so they could study them.(6). The author
11、 was wearing special protective clothing that made it difficult to walk.(7). The author is impressed by the beauty of the eruption and also by its potential to cause great destruction.2 Listen to the tape and deal with the language points in groups Purpose: To train Ss listening abilityTo train Ss l
12、anguage capacity1.consider思考，主要用于：consider+名词/-ing形式：He is considering studying abroad. 他正在考虑出国留学。consider + wh-: We considered how we should help them.我们仔细考虑应该如何帮助他们。consider + 副词：Consider carefully before you decide.要慎重考虑后再作决定。2.risk风险、危险。例如：He was taking a risk by overtaking on a bend.他在转变处超车是在冒险
13、。The house is a fire risk.这房子有起火的危险。3.burn to the ground指楼房等被烧毁。例如：He has no place to live in because his house has been burnt to the ground.他无处栖身因为他的房子被烧掉了。短语联想burn away烧掉: The wood had burnt away to nothing.木头已烧成灰烬。burn down(建筑物)烧毁： The cinema burnt down last year.电影院去年被烧毁了。The school was burnt do
14、wn by vandals.学校被人纵火烧毁了。burn off烧掉：He was badly injured in the accident, and all his hair was burnt off.他在事故中严重受伤，头发也被烧掉了。burn out烧坏：The engine bad burnt out. 引擎给烧坏了。burn up烧毁、烧得更亮/旺：The rocket burnt up when it reentered the earths atmosphere.火箭重入地球大气层时烧毁。He put more wood on the fire to make it burn
15、 up. 他往火上加木材想让它烧得更旺。4.make ones way(向某地)走（去）。例如：She hesitated ,but made her way forward.她犹豫了一下，但向前走去。She hastily left the room ,and made her way to her bed.她快速离开房间，朝她床边走去。短语比较make ones way 还表示“有出息”。例如：If you want to make your way in the world ,you must learn to work hard while you are still young.你若
16、想要有出息，趁年轻的时候要学会发奋。make way(for)让路、让位：All the traffic has to make way for a fire engine.所有的车辆都得给救火车让道。I shall make way for a younger man.我将把（职）位让给更年轻的人。5.enthusiastic(about)感兴趣的、热心的。例如：She seemed enthusiastic about the idea.她好像对这个主意很感兴趣。We got an enthusiastic response from our customers.我们得到了顾客们的热情反应
17、。effort可用作不可数名词，表示“力气”，例如：It took a lot effort to lift the boxes.抬起那些箱子要花很大的力气。effort也可用作可数名词，表示“费劲的事”、“尝试”，例如：It was an effort to get up this morning.今天早晨起床很费劲。Despite all our efforts ,we failed.尽管我们尽了力，我们还是失败了。Make an effort to do sth.努力做某事。例如：He made an effort to arrive on time.他尽量准时到达。7.diversit
18、y的意思是“变化多样”，“多样性”相当于variety,例如：The plants of Asia show great diversity of form.亚洲的植物形态多种多样。There must be a wide diversity of opinions.（对此）准是众说纷纭。联想记忆 variety(质量、种类或特征的)变化：You need a lot of variety in your diet.你的膳食要多样化。种类、品种：different varieties of bananas不同品种的香蕉a variety of 各种：These T-shirts are ava
19、ilable in a wide variety of colors.这些T恤有各种各样的颜色供挑选。Step 4 Post-readingPurpose: To have a deep understanding of the text.Answer the following questions according to the text.(1). In what province is Changbaishan?(2). What is a nature reserve? Why is Changbaishan a famous nature reserve?(3). What is t
20、he most popular tourist attraction in the reserve?(4). What does Tianchi mean? How was Tianchi formed?(5). What is the connection between the Manchu people and Tianchi?Step 5 Reflective thinking Think of a powerful natural force (such as an earthquake, flood, typhoon, storm) that you have experienced . You can use your imagination if you have not experienced any of these things. Tell your partner about your experience and how you felt. Step 6 Homework 1. Make some sentences with the new words and expressions. 2.Try to write a short composition about a natural disaster. 6
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