ｎnit-5-The-Power-of-Nature-(單元)教學(xué)教案-(人教版選修6)

1、PAGE7PAGE7Unit 5 The Power of Nature （單元）教案 （人教版選修6）Period 1 Warming up and readingTeaching goals：To have the students get a general idea of natural disasters.To help the students develop speaking ability.To improve the students reading abilities.To help the students to know how to summarize a text

2、or a paragraph.Step1 Warming up 1. Ask students to list other natural disasters, such as hurricane,earthquakes, volcano, etc. Show the pictures of these natural disasters.2. Introduction to volcano Volcano is one of these natural disasters. We should also do something to avoid its eruption or reduce

3、 its damage to us. What do you know about volcanoes? How is a volcano formed? How does a volcano erupt?3. Discuss about the measures that we should take to avoid natural disasters. We can find how powerful nature is and how weak humans are compared with a volcano, hurricane, earthquake or other natu

4、ral disasters. But we are not completely powerless. We can take measures to protect ourselves from powerful natural forces. What measures should we take?Step2 Pre-reading If we can predict the eruption of volcanoes, we can reduce its damage to us. So we need volcanologists to study volcanoes. Do you

5、 want to be a volcanologist Why If you are a volcanologist, what kind of danger will you meet （what kind of work should you do）Lets learn something about volcanologists in the text.Step 3 Skimming1. Read through the passage quickly and find out the answers to the questions.What kind of things should

6、 a volcanologist do?What is the volcanologist wearing when getting close to the crater?2. Divide the passage into several parts and find out the main idea of each part.Step 4 ScanningScan the passage . Read the passage carefully and answer the following questions.Why is a volcanologists job importan

7、t?Where is Mount Kilauea?Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption?What caused the writers bedroom to become as bright as day even though it was night?Why did the scientists have to get close to the volcano after it began erupting?Why was it difficult for th

8、e writer to walk towards the edge of the crater?What does the writer find impressive about volcanoes even after studying them for 20 years?Step 5 DiscussionT1 Do you think it is an occupation you would enjoy Discuss your reasons with your classmates.T2 InterviewMake up an interview. Four students as

9、 a group. One student acts as the writer of the passage. The other three students act as the journalists from three different TV stations.Step 6 Homework:Spend some time researching one disaster. You can use books, magazines, newspapers or the Internet. Collect pictures and diagram and look for info

10、rmation about: what causes this kind of disaster actual events that happened in the past in china and/or the rest of the world how people helped the victims what is being done to prevent the disaster happening again or to lessen the damagePeriod 2 Learning about LanguageTeaching goals：To help the st

11、udents to learn how to use words and expressions.To review the V-ing form and learn the perfect V-ing form.Step 1 Discover useful words and expressionsShow the video of an episode of Vesuvius eruption and ask students to fill in the text with proper words.The eruption of Mount Vesuvius in 79AD took

12、people in Pompeii by surprise. It was so quick and so severe that the town was soon covered in _ and _. Many houses in the town were _. It was an _ disaster for many people who could not get away in time. A writer named Pliny, who was there during the _, described how lava was thrown into the air li

13、ke a _. _ many of the townspeople, _ at the _ sight of Vesuvius eruption, stayed too long and failed to escape in time.Find suitable words or expressions from the texts in the unit to fill in the blanks on page35.Step2 GrammarShow a flash to review the differences between V-ing and the past particip

14、le.現(xiàn)在分詞表示主動(dòng)，過(guò)去分詞表示被動(dòng)?，F(xiàn)在分詞表示進(jìn)行中的動(dòng)作，過(guò)去分詞表示動(dòng)作已完成。Show a flash to review the V-ing form as the adverbial.分詞的邏輯主語(yǔ)必須與主句的主語(yǔ)一致.分詞的動(dòng)作不是主句的主語(yǔ)發(fā)出時(shí), 分詞前面必須加上它的邏輯主語(yǔ), 這種分詞短語(yǔ)叫做獨(dú)立主格結(jié)構(gòu).當(dāng)獨(dú)立主格結(jié)構(gòu)的邏輯主語(yǔ)泛指一般人, 如we, you, one 時(shí), 邏輯主語(yǔ)可以省略.Show the following pair of sentences on the screen.I was feeling tired. I went to bed ea

15、rly. Feeling tired, I went to bed early.相當(dāng)于As I felt tired, I went to bed early.I worked hard all day. I went to bed early.Having worked hard all day, I went to bed early.相當(dāng)于After I worked hard all day, I went to bed early.可以看出:分詞的一般式說(shuō)明分詞的動(dòng)作與主句謂語(yǔ)動(dòng)詞的動(dòng)作是同時(shí)發(fā)生的.分詞的完成式說(shuō)明分詞的動(dòng)作發(fā)生在主句謂語(yǔ)動(dòng)詞的動(dòng)作之前.鞏固練習(xí): 現(xiàn)在分詞的完成式

16、和一般式進(jìn)行互換.Studying volcanoes, I am amazed at their beauty as well as their potential to cause great damage.Having studied volcanoes for twenty years, I am still amazed at their beauty as well as their potential to cause great damage.Having stood for several minutes, I saw some of my friends chatting

17、at a table.Arriving there, I saw some of my friends chatting at a table.Writing the letter , he left out something important. Having written the letter, he read it carefully.4. 用分詞的一般式改寫(xiě)句子:As I didnt know how to find the subway, I called a policeman for help.Not knowing how to find the subway, I cal

18、led a policeman for help.可以看出: 分詞的否定式是在分詞短語(yǔ)前面加上not, never等否定詞. 5. 小結(jié)-ing 形式的用法ing 形式作狀語(yǔ)用法例句時(shí)間Seeing those pictures, she remembered her childhood. (= When she saw those pictures.) 條件Standing at the foot of a high mountain，you will find yourself very small. (= If you stand at the foot of a high mounta

19、in, .) 讓步Knowing where I live, he never comes to see me .(= Though he knows where I live, .) 伴隨They stood there for half an hour watching the stars in the sky. (=They stood there for half an hour and watched the stars in the sky.)原因Being tired , I stopped to take a rest. (= Because I was tired, ) 結(jié)果

20、She was so angry that she threw the toy on the ground, breaking it into pieces.(= She was so angry that she threw the toy on the ground and broke it into pieces.)Ving 形式的完成式作狀語(yǔ)用法分詞的完成式說(shuō)明分詞的動(dòng)作發(fā)生在主句謂語(yǔ)動(dòng)詞的動(dòng)作之前.例句Having brushed his teeth，Mr. Brown came downstairs for breakfast.6. Find in the text the sen

21、tences with v-ing forms or the perfect ing form. 7. 完成36頁(yè)與37頁(yè)的關(guān)于分詞的一般式和完成式的練習(xí).Homework:1. 完成workbook中對(duì)應(yīng)的練習(xí).2完成分詞專(zhuān)項(xiàng)練習(xí)。Period 3 Using language 中的Listening and SpeakingTeaching goals：To help the students improve listening skills.To learn how to express fear, surprise and anxiety.To learn to describe a

22、natural disaster according to experience or imagination.Step 1 lead-inAccording to the following situation, make up a dialogue and act out the dialogue. Four students as a group.Situation: Your group go to a volcano to collect a sample of boiling lava, take measurement in the crater and fly over a v

23、olcano to make a map of the direction of the lava. You will meet a lot of difficulties and have to overcome them.這個(gè)任務(wù)也可在課前布置讓學(xué)生去準(zhǔn)備好, 這樣課堂上就直接讓兩組同學(xué)來(lái)表演. 通過(guò)這樣的導(dǎo)入, 學(xué)生對(duì)聽(tīng)力材料會(huì)有似曾相識(shí)的感覺(jué), 而且會(huì)饒有興趣地去聽(tīng)材料里面的內(nèi)容, 去弄清楚材料里的火山學(xué)家到底碰到什么樣的困難, 怎樣去克服困難的.Step 2 ListeningFirst Listening. Look at the three pictures of volcano

24、logists at work. Then listen to them talking about their most frightening experience. Write their names under the pictures.Second Listening Listen to the tape again. Answer the questions about each persons experience.How long has he/she been a volcanologist?In what country was the volcano he/she tal

25、ks about?Why did he/she forget to be frightened?3. Third ListeningAsk students to work in groups of three, each taking the role of one of the volcanologists and telling the story to others in the group. Fourth ListeningListen to the tape once more. Write the name of the person beside the things they

26、 said.This exercise also tells us the ways to express fear and anxiety.Ask individual students to read the sentences aloud to the class. Ask them to try to recall who said each one. Play the tape for students to identify the expressions and record the name of the speaker. It may be necessary to play

27、 the tape more than once. Check answers by playing the tape and stopping when one of the expression is heard.Ask students to retell each persons frightening experience.Step 3 SpeakingThink of a powerful natural force (such as an earthquake, flood, typhoon, storm) that you have experienced. You can u

28、se your imagination if you have not experienced any of these things. First you should tell your partner about your experience and how you felt. And then ask some students to tell the whole class his/her experience and how he/she felt.Homework:Finish the Listening Practice and Listening Task in the w

29、orkbook.Make up a dialogue with your partner. What should we do to prevent the disaster happening again or lessen its damage?Period 4 Using language 中的Reading and WritingTeaching goals:Learn about Tianchi, its location, views, legend, etc.Help the students to enjoy the beauty of nature.Improve the a

30、bility of writing by writing scenic spots in your hometown or you have visited.Step 1 Lead-inAsk students to describe the tourist attractions they have visited or they know.Show the pictures of some scenic spots and students can enjoy their beauty.Show some pictures of Changbaishan and introduce Cha

31、ngbaishan to students.Show some pictures of Tianchi and introduce Tianchi to students. Ask students to guess how Tianchi was formed. They can have a discussion about this question.Step 2 Fast Reading1. Read the text quickly and find out the main idea of each paragraph.Paragraph 1: The introduction o

32、f ChangBaiShan.Paragraph 2: The introduction of TianChi.Paragraph 3: A story about TianChiParagraph 4: Drop a coin into TianChi to guarantee your love.2. Reading the article and tell the statements are true or false.1) Changbaishan is the second largest nature reserve in China.2) The peak of Changba

33、ishan can reach as high as 2,000 meters.3) You can see a lot of black bears, leopards or cranes in Changbaishan.4) Tianchi is a lake in the crater of an extinct volcano.5) The ancestors of the Manchu people were believed to be good at language and persuasion. Step 3 Careful ReadingRead the first paragraph and answer the following questions.Where is ChangBaiShan?How important is ChangBaiShan?How high is ChangBa