高二英语精品教案：Unit 5《The power of nature》Period 3 Grammar—the -ing Form (人教版选修6)
人教版高二英语选修6_Unit_5_The_power_of_nature_全单元教案新部编本
教师学科教案[ 20 – 20 学年度第__学期]任教学科：_____________任教年级：_____________任教老师：_____________xx市实验学校Unit 5 The power of nature1.教材分析本单元以The power of nature 为话题，旨在通过单元教学使学生了解火山爆发、地震、台风、洪水等自然现象，认识到自然的伟大力量，并会用所学词汇描述在经历自然灾害时的感受，思考人类应对自然灾害的态度和方法，提高自我保护意识。
1.1 Warming Up通过对火山爆发示意图的讨论激活学生了解与本单元话题相关的背景知识，而后通过讨论人类应对自然灾害的措施引发学生对本单元话题的思考，激发学生的求知欲，为随后进行的听、说、读、写打下基础。
1.2 Pre-reading通过回答问题测试自己是否适合作火山学家，让学生了解这一陌生职业，为阅读做好准备。
1.3 Reading部分一位火山学家以第一人称的形式讲述了自己的工作及第一次目睹火山爆发时的情景和心情，描写了人与自然的斗争与和谐相处的乐趣，使学生认识到火山是美丽的，但同时极具破坏力，而火山学家的工作可以减少由火山引发的损失。
1.4 Comprehending设计了两种题型：第一题要求学生在阅读后回答相关问题；第二题检测学生对文章细节的理解。
1.5 Learning about Language 分为词汇和语法两部分。
词汇部分着重从词的意义用法和表达方面对学生学习词汇给予指导；语法部分学习ing 形式在句子中作状语表示时间、原因及结果。
1.6 Using Language以语言实践为目的，包括四个部分的内容。
Listening and speaking 三位火山学家讲述了他们各自最惊险的一次经历。
学生在练习听力的同时学会描述害怕和紧张的词汇。
Speaking 是Listening的延续。
要求学生讲述自己类似的经历，同时在运用中巩固单词。
新人教版英语高二上Module 6《Unit 5 The power of nature》word教案
Unit 5 The power of nature Ⅰ. 单元教学目标Ⅱ. 目标语言Ⅲ. 教材分析与教材重组1.教材分析本单元以The power of nature 为话题，旨在通过单元教学使学生了解火山爆发、地震、台风、洪水等自然现象，认识到自然的伟大力量，并会用所学词汇描述在经历自然灾害时的感受，思考人类应对自然灾害的态度和方法，提高自我保护意识。
1.1 Warming Up通过对火山爆发示意图的讨论激活学生了解与本单元话题相关的背景知识，而后通过讨论人类应对自然灾害的措施引发学生对本单元话题的思考，激发学生的求知欲，为随后进行的听、说、读、写打下基础。
1.2 Pre-reading通过回答问题测试自己是否适合作火山学家，让学生了解这一陌生职业，为阅读做好准备。
1.3 Reading部分一位火山学家以第一人称的形式讲述了自己的工作及第一次目睹火山爆发时的情景和心情，描写了人与自然的斗争与和谐相处的乐趣，使学生认识到火山是美丽的，但同时极具破坏力，而火山学家的工作可以减少由火山引发的损失。
1.4 Comprehending设计了两种题型：第一题要求学生在阅读后回答相关问题；第二题检测学生对文章细节的理解。
1.5 Learning about Language 分为词汇和语法两部分。
词汇部分着重从词的意义用法和表达方面对学生学习词汇给予指导；语法部分学习ing 形式在句子中作状语表示时间、原因及结果。
1.6 Using Language以语言实践为目的，包括四个部分的内容。
Listening and speaking 三位火山学家讲述了他们各自最惊险的一次经历。
学生在练习听力的同时学会描述害怕和紧张的词汇。
Speaking 是Listening的延续。
要求学生讲述自己类似的经历，同时在运用中巩固单词。
Reading 介绍了旅游胜地The Lake of Heaven, 培养学生快速获取信息的能力。
高中英语Unit 5 The power of nature知识讲解 话题语言应用——自然灾害与预防利用教案
话题语言应用——自然灾害与预防利用编稿：牛新阁审稿：王春霞语言积累交际用语有关情感交流：1. I became so excited that... 我变得如此地激动以致于......I had never felt so happy as... 以前我从没有这么高兴过......I’m looking forward to ... 我期待着...Don’t that look lovely! 不是很可爱吗？You d id a good job. 做得好。
Perfect! 太完美了！I can’t wait... 我都等不及了......2. What’s happening? /What’s happened? 发生了什么事？What’s the noise? 什么声音？I’m frightened. 我害怕。
I was trembling... 我在打颤......I was never so frightened... 我从没有这么恐惧过......3. I was so anxious... 我那么地不安I felt very nervous... 我感觉很紧张......Oh, my goodness. 哦，天哪！Oh no! 哦，不！有关喜悦、恐惧、焦虑、惊奇的词汇：Joy：excitement（兴奋），happiness（幸福），pleasure（愉快），amazement（惊奇），relief（轻松），enthusiasm（热情），eagerness（渴望），gladness（高兴），delight（快乐）Fear：panic（恐慌），trembling（发抖），sweating（出汗），terror（恐怖），terrified（感到害怕的），frightened（感到害怕的），shocked（感到震惊的）Anxiety：nervous（紧张的），anxious（焦急的），worried（担心的），bothered（不安的），concerned（忧虑的）话题语句（1）1．有关灾难（disasters）的词汇：hurricane 飓风tornado龙卷风typhoon台风cyclone旋风tsunami 海啸 earthquake 地震aftershock 余震flood 洪水landslide滑坡mudslide泥石流snow slide/ avalanche 雪崩drought 干旱thunderstorm 雷暴 lightning 闪电volcano eruption 火山喷发snowstorm/blizzard 暴风雪plane crash 飞机失事famine 饥荒2. 有关火山喷发（volcano eruption）的词语和句子：active volcano 活火山ash cloud 火山灰云crater 火山口crater lake 火山湖lava 熔岩Red hot lava was fountain ing hundreds of metres into the air.红色发烫的岩浆像喷泉一样，朝天上喷射达几百米高。
高中英语高考6 5 Unit 5 The power of nature
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Unit 5 The power of nature
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高频词汇 难点句型
3.burn to the ground全部焚毁 [教材原句] Unfortunately,we cannot move their homes out of the
way,and many houses have been covered with lava or burned to the ground.(Page 34)遗憾的是,我们不可能把他们的家搬离岩浆流经 之路,因此许多房屋被熔岩淹没,或者焚烧殆尽。
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Unit 5 The power of nature
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单句填空 ①I have an appointment with Dr.Smith,but I need to change it. ②Mr.Wang is a careful and experienced engineer,so he is often appointed (appoint) to finish some challenging tasks. ③ Appointed (appoint)as the chairman of China,Mr.Xi was determined to serve the country heart and soul.
Unit 5 The power of nature
选修6
Unit 5 The power of nature
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高频词汇 难点句型
1.appoint vt.任命;委派 [教材原句]I was appointed as a volcanologist working for the Hawaiian Volcano Observatory(HVO)twenty years ago.(Page 34)二十 年前我被任命为火山学家,在夏威夷火山观测站工作。 appoint sb.as/to be...任命某人为…… appoint to do sth.约定做某事 appointment n.约会;委任 make/have an appointment with sb.与某人约会 keep/break one’s appointment守约/违约,失约 appointed adj.约定的;指定的
2022高考人教版英语复习学案-选修⑥Unit-5-The-power-of-nature-含答案
选修⑥| Unit 5The power of nature(一)阅读词汇——明其义、写其形第一组：明其义1．diagram n．图解；图表；示意图2．volcano n. 火山3．ash n. 灰；灰末4．hurricane n. 飓风；风暴5．questionnaire n. 问卷；调查表6．sample n. 样品；样本7．database n. 数据库；资料库8．boot n. 靴子9．typhoon n. 台风10．thunderstorm n. 雷暴11．document n. 文件；证件12．rainbow n. 彩虹第二组：写其形1．wave n. 波浪；波涛v i. 波动；起伏；挥手2．alongside ad v.在旁边；沿着边prep. 在……旁边3．potential n. 潜在性；可能性；潜能adj.可能的；潜在的4．precious adj.贵重的；珍贵的5．shoot v t.射中；射伤6．guarantee v t.保证；担保7．arouse v t.激发；唤醒8．sweat n. 汗v i. 出汗9．tremble v i. 摇晃；摇动；颤抖10．panic v i. & v t.惊慌n. 惊慌；恐慌(二)表达词汇——晓其变、通其用1．equipment n．设备；装备→equip v．配备；装备2．appoint v t.任命；委派→appointment n．任命；约定3．evaluate v t.评估；评价；估计→evaluation n．评估4．absolute adj.绝对的；完全的→absolutely ad v.绝对地；完全地5．suit n．一套外衣；套装v t.适合；使适宜→suitable adj.适当的；相配的6．actual adj.实在的；实际的→actually ad v.实际地7．anxious adj.忧虑的；不安的；渴望的→anxiously ad v.不安地→anxiety n．担心；焦虑；渴望8．appreciation n．欣赏；感激；感谢；鉴赏→appreciate v t.欣赏；感激9．fog n．雾；烟雾→foggy adj.有雾的；模糊的10．uncomfortable adj.不舒服的；不舒适的→comfortable adj.自在的；舒适的→comfort v t.安慰11．diverse adj.多种多样的；不同的→diversity n．多种多样；多样性12．bathe v i.洗澡；游泳→bath n．洗澡；沐浴(三)常用短语——多积累、准运用1．burn to the ground 全部焚毁2．make one's way 前往3．be suitable for 适合；适于4．make up 组成；构成5．get close to 靠近6．glance through 匆匆看一遍7．be home to ... 为……之栖息地8．be about to 即将9．vary from ... to ... 由……到……不等10．give birth to 生产；产生11．have a gift for 有……的天赋12．take notice 留意；注意(四)经典句式——明特点、会仿用1．however引导让步状语从句2．独立主格结构在句中作原因状语悟原句... but this being my first experience, I stayed at the top and watched them.背佳句He stood at the window, the sun shining on his face.3．It is said that ... “据说……”，it为形式主语，that引导主语从句悟原句It is said that this boy, who had a great gift for languages and persuasion ...(2020·江苏高考书面表达)It is reported that the film is well received outside 背佳句China.1.后缀-ment名词小结①equipment设备②advertisement 广告③announcement 通知；通告④achievement 功绩；成就⑤punishment 惩罚⑥treatment 对待；治疗⑦appointment 任命；约定⑧requirement 要求⑨agreement 协议2.“take＋n.”短语面面观①take notice 留意；注意②take effect 生效；起作用③take charge 开始管理；接管④take exercise 锻炼⑤take pains 努力；尽力⑥take photos 拍照⑦take steps 采取措施3.“have a/an＋n.＋for”短语集锦①have a gift for 有……的天赋②have a preference for 偏爱；特别喜爱③have a desire for 想要；渴望④have a nose for 对……敏感⑤have a taste for 对……有兴趣⑥have a fancy for 喜欢；迷恋⑦have a chance for 有……的机会4.“看”不同的短语集合①glance through匆匆看一遍②glance at 匆匆一瞥③look around 环视四周④look through 仔细检查⑤stare at 凝视；盯着看⑥glare at 怒视；瞪眼看⑦spy on 偷窥；监视巩固于训练(上页记熟，本页练通；薄弱的考点，留待课堂重点攻坚)Ⅰ.用所给词的适当形式填空1．We will not be panicked (panic) into making a decision before we have considered all the evidence.2．It's believed that quantities of building materials are potentially (potential) harmful to people's body.3．People from diverse cultures hold different understanding on the play and this diversity of opinions make it hard to reach an agreement at the meeting.(diverse) 4．(2020·天津5月高考)It can go anywhere, and there is something in there for absolutely (absolute) anybody.5．After listening to his advice, he had no more anxieties (anxious)．6．To show our appreciation (appreciate) for all your hard work, we'd like to give you a bonus.7．She was the first woman to be appointed (appoint) to the board, for which she felt very excited and happy.8．A man in the river was shouting and waving (wave) his arms around desperately.9．If you have the interest to visit there, don't forget to take a camera and you are guaranteed to enjoy (enjoy) the sights in their natural state.10．That is the reason why many people often feel uncomfortable (comfort) in the back when sitting before computers for a long time.Ⅱ.介、副词填空1．In the tent, there were many children from the earthquake-stricken area, their ages varying from 10 to 17.2．After admiring the beautiful view, she made her way to the next destination.3．She has a gift for communicating with animals.4．Changbaishan is China's largest nature reserve and is home to a great diversity of rare plants and animals.5．If the bottle of gas catches fire, the whole building may be burned to the ground.6．He just glanced through the headlines because he was too busy to read the whole newspaper.7．He was about to leave when the phone rang.8．The headmaster who had attended the grand ceremony waved to the students and teachers with a smile.9．With the Internet, parents can check a published guide to determine what is suitable for their children to see.10．They equipped themselves with a pair of sharp axes and set off for the forest.Ⅲ.选词填空1．assess/evaluate①The teacher evaluates a student's thesis for content and organization.②He wanted to rent his house so he had it assessed yesterday.2．definitely/absolutely①It's absolutely no business of hers.②And we definitely can achieve them!Ⅳ.写出加蓝部分在语境中的含义1．When I found out, I wanted to give him a boot up the backside. 踢2．The windows fogged immediately. 起雾3．The book documents the post-war Chinese experience. 记录4．①A few tender shoots had started to appear. 幼芽②The film was shot in Prague. 拍摄5．I sweated night and day to get it done on time. 艰苦努力Ⅴ.补全句子1．我正要放弃这道数学题时，一个念头闪过我的脑海。
高中英语-选修六Unit5-The-power-of-nature——大自然的力量
栏目 导引
Unit 5 The power of nature——大自然的力量
解析：选D。考查非谓语动词。句 意为：海地首都发生强烈地震，导 致数万人无家可归，数万人被埋在 废墟中。空白处用现在分词作结果 状语，表示地震发生后自然而然带 来的结果。
栏目 导引
Unit 5 The power of nature——大自然的力量
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Unit 5 The power of nature——大自然的力量
考点串讲讲练互动
单词精研 1appoint vt. 约定；指定(时间、地点等 )，任命；委任
栏目 导引
Unit 5 The power of nature——大自然的力量
(教材P34)I was appointed as a volcanologist working for the Hawaiian Volcano Observatory(HVO)twenty years ago. 我被任命为火山学家去夏威夷火山观 测站工作已经20年了。
栏目 导引
Unit 5 The power of nature——大自然的力量
解析：选C。考查非谓语动词。主语 sisters与动词separated之间为被动关 系，且动作发生在谓语动词held之前, 故选C。
栏目 导引
Unit 5 The power of nature——大自然的力量
4．(2011·绵阳市第二次诊断 )________the youth to the rising sun at 8 or 9 o’clock a．m.，Mao Zedong expressed his great hope for the young men. A．Compared B．To compare C．Compare D．Comparing
高中英语人教版选修6Unit5thepowerofnaturereading教案(系列五)
Unit 5 The power of natureReading教案Teaching goals 教学目标1. Target language 目标语言a. 重点词汇和短语volcano, erupt, compare with, hurricane, adventure, bored, excite, evaluate, unfortunately, burn to the ground, eruption, fountain, absolutely, fantastic, made one’s way, potential, impressiveb. 重点句式P341. Having collected and evaluated the information, I help other scientists to predict where lava from the volcano will flow next and how fast. P342. I was about to go back to sleep when suddenly my bedroom became as bright as day. P343. However, the most important thing about my job is that I help protect ordinary people from one of the most powerful natural forces on earth — the volcano. P342. Ability goals 能力目标Enable the students to learn about the powerful natural force — volcano and the work of an volcanologist.3. Learning ability goals 学能目标Help the students learn how to analyze the way the writer describes his exciting job.Teaching important points 教学重点Read the text and answer the questions in Comprehending Exercise 2.Teaching difficult points 教学难点Retell the writer’s first sight of Mount Kilauea eruption.Teaching methods 教学方法Discussion, reading, speaking and cooperative learning.Teaching aids 教具准备A projector and some slides.Teaching procedures && ways 教学过程与方式Step ⅠWarming UpLead the students to the topic by telling them a story. Then get the students to describe a volcano eruption according to the diagram. After they are familiar with the topic, let them list some other powerful natural forcesand discuss the ways human beings protect themselves from the natural forces.T: Listen to me carefully. I will tell you a story about a strange city. The strange city named Pompeii is a dead city. No one has lived there for nearly two thousand years, yet every year thousands of people travel from distant countries to visit it. It died suddenly in a terrible rain of fire and ash. Tons of hot ash fell on Pompeii, hiding it from sight. For three days the sun didn’t break through the clouds of ash in the sk y. Then the whole city shook and buildings fell down. When everything was calm, Pompeii was buried deep. A city disappeared and people there lost their lives too. Can you guess what had happened to the city?S1: There must have been a terrible earthquake. After the terrible quake, everything was destroyed.T: Yes. It’s one kind of the causes. Any different ideas?S2: Maybe a volcano erupted and a terrible rain of fire and ash fell on the city.T: You got it! Mount Vesuvius, which had slept quietly for centuries, erupted suddenly. It destroyed the city Pompeii. How terrible! Have you ever seen a volcano erupting? Please turn to page 33. Look at the diagram. Describe a volcano erupting using the diagram and the given words.S3: When boiling rock erupts from the volcano, the red hot lava rushes hundreds of metres into the air and a cloud of ash goes straight up into the air. Ash cloud forms. Rocks, fire, ash fall onto the ground. The lava flows slowly down the mountain. It buries everything in its path under the molten rock.S4: Sometimes, volcano erupting can cause some other disasters like earthquakes, fire and ground sea.T: How powerful the nature is! The lava can buries everything in its path. A volcano erupting can damage a city. A flood can carry everything in its path, while a fire will damage everything it meets. It seems that we human beings are powerless in front of these natural forces. What can we do to protect ourselves from powerful natural forces? Please work in groups of four to list some other natural forces and discuss the ways that human beings protect ourselves.A few minutes later.T: Who would like to share your opinion with the class?S5: I’d like to talk about volcano. Sometimes, the volcano gives warnings in the form of many small earthq uakes. And scientists can provide warnings of possible volcano explosions with the help of equipment. So the government can help people who live near the volcano leave their homes before erupting.S6: We are more familiar with fire. In fact, it can be avoided most of the time, if we are careful in our daily life. I know a way of controlling the fire. Firefighters burn the trees which are in the path of the fire, so there is nothing to burn when the fire arrives.S7: Flood always happens in the south of our country. Predication is very important. Scientist keep observing thelevel of the water during the summer. People strengthen the bank and move to higher land.S8: We have learned more about earthquakes. People have learned many ways to protect themselves. For example, earthquake happens, if you are in bed, stay where you are and protect your head with a pillow. If you are outdoors, find a clear spot away from buildings, trees and streetlights.S9: I think the best way is to move to a safer place where fire, earthquake, flood and hurricane will never happen.Step ⅡPre-readingGet the students to answer the six questions on page 33 to find out whether they will enjoy working as a volcanologist. And then get them to talk about the occupation according to the questions.T: I see. Prediction is very important. We can say scientists play an important part in protecting people from natural forces. Would you like to study volcanoes? And do you want to be a volcanologist?Ss: Yes.T: Let’s test whether you are suitable for this job or not. Answer “yes” or “no” to these que stions on page 33.The students answer the questions to see if they are suitable to be a volcanologist.T: Are you suitable for the job? Who can tell us what kind of person can be a volcanologist?S1: First he must be brave enough because he must climb into a live volcano to take the temperature of the boiling rock inside.S2: I think interest is the most important. He should show great interest in studying rocks and volcanoes.S3: He should be interested in travelling to unusual places and like adventure in his life.S4: If you want to be a volcanologist, you should enjoy working outside because a lot of work need to be done outdoors.Step ⅢWhile-readingScanningGet the students to read the passage quickly and accurately. Give them a couple of minutes to look through the whole passage. Tell them to read the text silently and then ask them some detailed questions about the text.T: What do es a volcanologist do? Is the work interesting? Let’s read a passage written by a volcanologist. The volcanologist enjoys his job very much. He described his exciting job. And he wrote down his first sight of an eruption. Now let’s read the text quickly an d find out the answers to these questions Comprehending Exercise 1 on page 35 .Several minutes later.Check the answer..SkimmingIn this part, the students will read the text quickly to get the general idea of the passage. Check the answers with the whole class, then explain some sentences or words that the students may find hard to understand.T: Now please read the text again and try to get the main idea of the passage in groups of four.Three or four minutes later.T: Have you got the general idea of the text?It wasn’t very easy to walk in these clothes, and we slowly made our way to the edge of the crater and looked down into the red, boiling center. Though I was a little afraid, I wanted to climb down into the crater to collect some lava. But this being my first experience, I could only stayed at the top and watched the two scientists. At that time I determined to be a volcanologist forever.DiscussionT: In the writer’s opinion, his job is the greatest one. Do you like this occupation? Why or why not? Discuss in groups of four.S2: I would not like to be a volcanologist. I prefer to work in an office to do some research work. It’s a waste of time and energy to spend so much time traveling.S3: I hope to be a vocanologist. You’ll be proud of yourse lf when people escape before volcano erupting because of your work. Also, I am interested in the rocks and other things that make up the surface of the earth. I want to know the secret of the earth.S4: It is not my ideal occupation. I like traveling to unusual places, studying different cultures, talking with interesting people and collecting interesting things. But I’m not brave enough to climb into a live volcano to take the temperature of the boiling rock inside.S5: I don’t like this job. It’s too dang erous. If the volcano erupts suddenly when you are collecting the lava, maybe you will lose your life.T: Well, if you meet the writer, what kind of questions would you ask him?S6: Aren’t you afraid when you walk towards the volcano? It’s so hot and the v olcano may erupt again.S7: What should you do if you get lost on your way to the volcano?S8: When did you begin to be interested in volcanoes?S9: How will you escape if the volcano erupts suddenly?S10: Are there any living things in volcanoes?S11: Why do people live near the volcanoes since they may lose their homes or even lives?Writing characteristicsT: Good! If you are interested in this occupation, you can get more information on the Internet. Now who can summarize the writing style and techniques of this text?The teacher can ask the students to have a discussion in pairs or groups, and then ask some of them to show their ideas.Sample answers:This passage was written by a volcanologist. He uses the first person to describe his exciting job and his experience and express his true love for his job. The words are vivid and the description is natural, which makes the readers feel as if they were watching the volcano eruption and begin to like the occupation. For example, he uses “like a railway train passing outside my window”, “suddenly my bedroom became as bright as day” and “red hot lava was fountaining hundreds of metres into the sky” to describe the big noise and fantastic sight of volcano eruption. To tell readers that his job is intere sting, the writer uses several “sometimes”, which makes the readers feel the job is extremely interesting and want to be a vocanologist. The writer talks about the volcano objectively. He points out the damages of volcano but he praises its fantastic sight at the same time.T: What can we learn from the text?S: The key word of the text is “exciting”, which is the focus of the passage. By telling the readers his everyday work, the importance of his job, his first sight of volcano eruption and his sincere love for his job, the author proves it’s his chief enjoyment to be a volcanologist. And I appreciate the writer’s attitude towards nature. We should love nature and we can do something to minimize the damage caused by natural forces.Step ⅤHomeworkT: No w it’s time for homework. Today you have two tasks to finish after class. The first task is to finish exercises in Discovering useful words and expressions on page 35. These exercises will help you practice the words and expressions we’ve just learned. The second one is to retell the text. That’s all for today. See you tomorrow.。
高中英语Unit5 The power of nature文章 火山类型人教版选修六
火山类型火山是多种多样的，根据它们的活动情况可以分为死火山、休眠火山和活火山三大类。
死火山，指史前曾发生过喷发，但有史以来一直未活动过的火山。
此类火山已丧失了活动能力。
有的火山仍保持着完整的火山形态，有的那么已遭受风化侵蚀，只剩下残缺不全的火山遗迹、我国某某某某火山群在方圆约50平方公里的X 围内，分布着2个孤立的火山锥，其中狼窝山火山锥高将近120米。
休眠火山，指有史以来曾经喷发过．但长期以来处于相对静止状态的火山。
此类火山都保存有完好的火山形态，仍具有火山活动能力，或尚不能断定其已丧失火山活动能力。
如我国白头山天池，曾于1597年和1792年两度喷发，在此之前还有多次活动。
目前虽然没有喷发活动，但从山坡上一些深不可测的喷气孔中不断喷出高温气体，可见该火山目前正处于休眠状态。
活火山，指现代尚在活动或周期性发生喷发活动的火山。
这类火山正处于活动的旺盛时期。
如爪吐岛上的梅拉皮火山，本世纪以来，平均间隔两二年就要持续喷发一个时期、我国近期火山活动以某某岛大屯火山群的主峰七星山最为有名。
大陆上，仅95年在某某昆仑某某段于田的卡尔达西火山群有过火山喷发记录。
火山喷发形成了一个平顶火山锥，锥顶海拔4900米，锥高145米，锥体底直径642米，锥顶直径175米，火山口深56米。
应该说明的是，这三种类型的火山之间没有严格的界限。
休眠火山可以复苏，死火山也可以“复活〞相互间并不是一成不变的。
过去一直认为意大利的维苏威火山是一个死火山，在火山脚下，人们建筑起许多的城镇，在火山坡上开辟了葡萄园，但在公元79年维苏威火山突然爆发，高温的火山喷发物袭占了毫无防备的庞贝和赫拉古农姆两座古城，两座城市及居民全部毁灭和丧生。
火山喷发时，气体、岩浆、固体等物质向外排出的出口叫做火山口。
一般来说，中心喷发每次只有一个火山口，但绝大多数火山都是多次喷发。
以后的喷发有些是从原来的火山口喷出，但更多的是在其侧喷发，从而形成新的火山口，被称做寄生火山口。
高二英语人教学案：目标导引 UnitThepowerofnature
be about to do 正要干……
请认真掌握be about to do，be to do和be going to do的区别。
make one’s way 费时地行进；前进；慢慢地成功
请记住短语relieve sb.from/of sth。和relieve sb's mind的具体含义及用法.
guaranteevt。保证;担保
请注意区别guarantee sth。against sth.和 be guaranteed to do sth.的用法。
protect from 保护;防护
请注意该短语的结构及用法；了解常见短语by the way，by way of，go out of one’s way,mend one’s ways，out of the way，to my way of thinking的含义及用法。
be amazed at 对……大感惊讶
请注意be amazed at/by,be amazed to find， be amazed that,be amazed to see/hear/find的固定搭配。
情感态度价值观
火山、海啸、台风、地震等自然灾难是人类无法阻止的,我们从本单元的知识中认识到大自然的活动规律,懂得尊重自然规律，保护地球环境。同时认识到人类只要科学地设置预警系统，完全能够把损失降到最低程度。
学习策略
一、熟悉与自然灾难有关的词汇和短语。
二、通过网络了解火山是怎样形成,火山在全球的分布，火山造成的危害,火山发生后形成的景象。
unit_5《The_Power_of_Nature》课件(新人教版选修6)
Scanning
Read the passage and answer:
1.What shows that the author like his job in para 1 and the last para?
I have the greatest job in the world
Danger excites me and makes me feel alive
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.
Para 4 The writer describes his first closer
look at a volcano eruption. The writer describes his first sight of Para 3 a volcano eruption. The writer describes his job and its Para 1 importance.
The main idea of the passage What the writer’s job is and the importance of his job. (Paras. 1-2) The writer’s experience of (Paras. 3-4) watching the volcano eruption.
Unit 5
高二英语选修六_Unit5_Grammar名师教学设计
Unit5 Grammar名师教学设计Book6 Unit5: The Power of Nature Section 3语法课框架单1/ 112/ 11Section 3语法课教学设计3/ 114/ 11DEL C3 深度加工知识Step 3Application（运用）1．Change the following sentences into the －ing form. Put the verbs intothe correct forms.(1)When Rose woke up in the middle of the night，she saw her roomwas as bright as day.(2)After we had stopped the car，we found ourselves trapped in thickfog and couldn't see clearly ahead.(3)Because I had spent all night reading the documents，I was verytired the next day.(4)As the child had never seen a rainbow before，he was very excited.Suggested answers：(1)Waking up in the middle of the night，Rose saw her room was asbright as day.(2)Having stopped the car，we found ourselves trapped in thick fog andcouldn't see clearly ahead.(3)Having spent all night reading the documents，I was very tired thenext day.(4)Having never seen a rainbow before，the child was very excited.2．Do Exercise 4 in Discovering useful structures on Page 37.First ask students to do the exercises individually and then let themdiscuss and check their answers with their partners，and finally give themthe correct answers and deal with any problems they might meet.1.在具体语境中运用ing形式作状语1.学生是否能在具体语境中掌握ing形式的用法5/ 11Exercises请用括号里所给动词的适当形式填空:1. _____ (live) in a southern city of China, I have never seen such a wonderful snow view.2. _____ (not grow) up yet, you’re not allowed to enter the bars.3. _____ (encourage) by the director, the actors performed wonderfully in the play.4. _____ (Know) all this, they made me pay for the damage.5. The students are sitting in the reading-room, _____ (read) all kinds of books. Key:1. Living2. Not having grown3. Encouraged4. Knowing5. reading二、单项选择1．The great hall was crowded with many people, _____ many children _____on their parents’ laps.A. including; seatedB. including; seatingC. included; satD. included; sitting2. _____ for a long time, most of the crops in this area died from lacking water.A. Being no rainB. There was no rainC. To be no rainD. There being no rain3．His letter, _____ to the wrong number, reached me late.4．A. having been addressed B. to have addressed5．C. to have been addressed D. being addressed4．"You can't catch me" Janet shouted, ______away. (NMET2005全国卷3)A. runB. runningC. to runD. ran5．More and more people are signing up for Yoga classes nowadays, ______ advantage of the healthy and relaxation benefits. (NMET2005上海卷)6/ 11A. takingB. takenC. having takenD. having been taken6．______ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home. (NMET2004北京卷)A. To waitB. Have waitedC. Having waitedD. To have waited答案1.A。
Unit5The power of nature(附详细解析)新人教版选修6
选修6 Unit 5 The power of nature基础操练Ⅰ. 单词拼写1. The story (使兴奋)the little boy very much.2. On hot days we often go (洗澡) in the river.3. I can’t (评价) his ability without seeing his work.4. I got into a (惊慌) when I found the door was locked.5. They studied the German market to find the (可能性) there for investment.6. It was a cold, wet day and the children were b .7. It’s many years since Mount Vesuvius e .8. He drew f animals with two heads and large wings.9. I’m a to get home to open my presents.10. They had to c tomorrow’s football match because of the bad weather. Ⅱ. 用括号内所给单词的适当形式填空1. (compare) with other methods, this one is relatively more effective.2. I could easily imagine her (regard) him as a man of fine quality.3. His habit is (listen) to some news in the morning.4. (not receive) her letter for a long time, I phoned her to see what was wrong.5. (accept) as a member of the company, he took over the job of the former secretary.Ⅲ. 翻译句子1. 你的训练将使得你能够胜任将来的工作。
人教版高二英语选修6课件：Unit5 The Power of Nature (共47张PPT)
Ash cloud
Crater
the lava flows slowly down the mountain.
Boiling rock erupts from the crater;
Lava
Boiling rock
volcano
2.Where is most possible for a volcano to erupt?
Part two (Para 3- Para 4) 4. What does the writer mean by using “lucky”
in the sentence “I of was enough to have •It was his first sight anlucky eruption. a much closer look it.”? •It was the first time forat him to watch the crater. 5. Why did the scientists have to get close to
Part one (Para 1- Para 2)
It can warn people when the volcano is goingis toaerupt and save many lives. 1) Why volcanologist’s job important?
2) Where is Mount Kilauea? In Hawaii. 3) The writer doesn't mind the occasional danger danger of his job because ___________ excites him and make him feel alive ________________________________.
高中英语Unit 5 The Power of Nature 教案
Unit 5 The Power of Nature第一节：单项填空（共15小题；每小题1分，满分15分）1. Meakandake volcano in Hokkaido, Japan, _______ on Tuesday afternoon, March 21, 2006.A. roseB. formedC. eruptedD. attended2. Sometimes I just want to experience some movie-like _______ where I beat the bad guys, saving the world.A. journeyB. adventureC. dreamD. stage3. A huge fire put the neighborhood in ruins, with its buildings _______ and many lives lost.A. burned to groundB. burned to a groundC. burned to the groundD. burned to all ground4. — Scientists say now no facts can prove cell phone usage results in cancers. —It’s also true some of them believe the _______ connection between them exists.A. actualB. closeC. exactD. potential5. We’re very _______ with the standard of the children’s work.A. impressedB. pleasingC. paredD. honored6. The _______ of life is truly amazing, but all living forms do share certain similarities.A. existenceB. diversityC. movementD. strength7. — Is this bird species _______ in China?— Yes, it cannot be found in any other countries.A. familiarB. well-knownC. uniqueD. valuable8. They’ve had to _______ tomorrow’s football match because of the bad weather.A. cancelB. arrangeC. viewD. discuss9. All suggestions will be considered, but we don’t _______ that every suggestion is reasonable.A. believeB. argueC. hopeD. guarantee10. Financial assistance programs and requirements often vary _______ school _______ school.A. with; toB. from; toC. by; andD. in; and11. — Last night, I saw the teens movie Cheetah Girls.—_______? It’s said it just went public in America this August 25.A. What’s upB. ReallyC. Are you felling wellD. Yes12. The visiting Minister expressed his satisfaction with the talks, _______ that he had enjoyed his stay here.A. having addedB. to addC. addingD. added13. _______ with his boss, he decided to quit and find another job.A. To talkB. TalkingC. TalkedD. Having talked14. —Next week, I’ll travel to New Zealand with my parents.—It’s _______.A. absoluteB. fantasticC. helpfulD. adventurous15. The robber rushed out of the bank, _______ into his car and started it hurriedly,_______ to run away as soon as possible.A. got; hopedB. getting; and hopedC. got; hopingD. getting; hoped第二节：完形填空（共20小题；每小题１.5分，满分30分）Each November for eight years I would ask my neighbor if I could borrow his 16-foot ladder to clean the leaves from my gutters (屋檐雨水槽). Each November Barry would put on his 16 and acpany me behind his house, 17 he kept the ladder undera crawl space.The two of us 18 bend down, make our way through old cobwebs(蛛网) , turna tricycle（三轮脚踏车）or two, and 19 the ladder out. “Going to your parents’home for Thanksgiving this year?” he’d ask. “The 20 as last year,” I’d answer. Barry would grasp one end of the ladder, and I’d grasp 21 .“Let me help you get this thing over,” Barry would say as I’d jump over the thin wire fence 22 our yards. The ladder wasn’t 23 . We just enjoyed playing out our parts.“I really should buy 24 .”“Why 25 ?” Barry would reply. “You can use mine anytime.”“I’ll get it back to you in a few hours.”“ 26 . If I’ m not home, just leave it on the other side of the 27 . With a quick wave Barry would then return to his house.Each 28 ...Last winter a “29 ” sign appeared on Barry’ s front lawn. It was difficultto accept that his panion really was leaving London 30 Manchester.Even when the moving van stood before Barry’ s house I still didn’t 31 asI should have. I should have embraced him. I 32 shook his hand and said good-bye. As he drove away I 33 , but I didn’t.That evening, as I 34 my son’s tricycle in, I found, leaning against the side of my garage,35 .16. A. uniform B. hatC. gloveD. plain coat17. A. so as that B. whereC. whichD. so that18. A. would B. couldC. were used toD. must19. A. drag B. lead C. follow D. force20. A. Seem B. Such C. Same D. Spend21. A. other end B. otherC. anotherD. the other22. A. extending B. separatingC. breakingD. connecting23. A. light B. long C. heavy D. short24. A. some B. it C. that D. one25. A. bother B. not C. don’t D. worry26. A. No hurry B. Of courseC. Sounds interestingD. You mustn’t27. A. lawn B. fence C. garden D. house28. A. times B. winterC. NovemberD. Thanksgiving29. A. Keep off B. For sale C. Keep out D. On sale30. A. to B. from C. for D. in31. A. regret B. regard C. remember D. respond32. A. continuously B. sorrowfullyC. simplyD. happily33. A. should have waved B. should have criedC. should have runD. should have laughed34. A. was leading B. was pullingC. was drivingD. was repairing35. A. the ladder B. my carC. Barry’s carD. the sign第三节：阅读理解（共15小题；每小题2分，满分30分）AOn December 26, 2003, the worst earthquake in more than a decade destroyed Bam, a historic city in Iran. At least 25,000 people died in the earthquake—nearly a third of the city’s population. And thousands more were left homeless, hungry, and extremely sad.Bam was a city of mud-brick houses, old monuments(纪念碑) and an ancient castle. But nearly everything was ruined in the disaster. One reason the earthquake caused such damage was that Bam’s buildings were made mostly from baked mud. These buildings collapsed(消失) in heaps of dust and sand. Bam was best known for its 2,000-year-old castle built out of mud, straw(稻草), and the trunks of palm trees. The castle was so big that it was once the city of Bam itself. Public dwellings lined its ground level; a marketplace and two mosques also fit fortably inside.Bam once blossomed as a trading post on the Silk Road. In the 16th and 17th centuries, treasures from the Far East were carried along the road into the capital cities of Europe. Fifty years ago, teams of architects began restoring the historic treasures of the city. Ever since, thousands of visitors have e to admire them.In the face of this tragedy, food and other supplies from around the world landed in the provincial capital of Kerman on Sunday. With such support, spiritual leader Ayatollah Ali Khamenei announced and promised, “We will rebuild Bam stronger thanbefore.”36. This passage is most likely taken from a .A. newspaperB. history textbookC. book reviewD. magazine on trade37. Bam was most famous for .A. beautiful treesB. frequent earthquakesC. an old mud and straw castleD. treasures from the Far East38. The use of baked mud for buildings explains .A. why the earthquake occurredB. why Bam collected so many treasuresC. why Bam developed into a trading postD. why the earthquake caused such damage39. Which of the following is CORRECT about the earthquake in Bam?A. About 50,000 people survived the earthquake.B. Not many countries sent food and supplies to Bam.C. The 2003 earthquake was the first one in its history.D. The city of Bam would be deserted after the earthquake.BDo you remember as a child ever being fascinated by magnets(磁铁)? They were fun to play with, but you couldn’t help wondering how they work.Fortunetellers enjoyed using it at first, but finally people realized it would show us directions on the earth. The first magnet pass was discovered by the Chinese around 200B.C. The first magnets were made of iron. The magnets of today are made from alloy. These contain metals such as nickel, iron, copper, cobalt(钴) and aluminum(铝).Materials such as iron, steel and nickel are attracted to the poles of the magnet. One pole is the north seeking pole, the other is the South Pole. Opposite poles attract, and like poles repel. Magnetism is the push and pull force you feel or see when using a magnet. This force can even work over a distance without ing in contact with an object. The most interesting of all might be the earth’s magnetic field; it is as if there was a huge bar magnet through the center of the earth. This is the reason why a pass needle points north.Magnets are a very important part of our life. Many items that we use everyday would not exist without them. Items such as radios, television, speakers, toys, and quite a variety of games are made with magnets. They are all around us and used in so many different ways. Magnets e in a variety of different shapes and sizes. It is interesting to think that something that may have fascinated you as a child could be even more exciting as you learn more about them.40. What were the magnets used to do at first?A. They were used to tell one’s fortune.B. They were used to show the directions.C. They were used to play.D. They were used to find new metals.41. Which of the following isn’t mentioned in this passage?A. The uses of magnets.B. The shapes and sizes of magnets.C. The prices of magnets.D. The reason why magnets attract materials.42. In which of the following situation may you use the magnet to help you?A. You can not find you pencils in the dark.B. You want to know the direction on a plane.C. You want to listen to a radio in the desert.D. You seem to have lost your way on the sea.CRegister your accountPlease, pay attention to difference of free registration and paid premium(额外费用) account. With free registration at Oxyshare you get access to easy uploading(上传) with your favorite FTP client, your files will remain online for 30 days if there was no request to download(下载), you may upload files at unlimited speed, also you may deliver your data to one email-address. Unlimited disk space and endless amount of file downloads are at your service, too.In contrast to free registration, premium account increases your rights greatly. Your files remain online three times more—90 days if there was no request to download. Speed of downloading increases in a few times. option allows you to deliver files to 100 addresses.Prices for premium account vary from $1.99 up to $189.99 according to how long you want the files to be remained. You will be able to choose wishful time-plan during the registration process. Now you are one step away from pleting your registration process. Please, choose the type of account and push the appropriate button below the table.Features Standard account Premium accountUpload speed Up to 200 kb/s UnlimitedFile size Up to 700 Mb Up to 700 MbFTP support Yes Yesdelivery 1 address 100 addressesDownload speed Up to 70 kb/s UnlimitedFile life time 30 days * 90 days *Number of One UnlimitedconnectionsDownload waiting 5-30 sec 0 secPlease Select: FREE PREMIUM43. What extra advantage you will get if you pay a small fee for the service?A. You can upload a file no matter how big it is.B. Your file will remain at least 90 days.C. Your file will remain one month.D. Your friends will see your files for free.44. For a premium account user, the more money you will pay, .A. the longer your files will remain onlineB. the bigger file you can uploadC. the more money you can earnD. the longer you can use the file-hosting service.45. The same feature offered by both the standard account and premium account is .A. upload speedB. file sizeC. file life timeD. number of connectionsDThe house was quiet at 5 am and Tim’s mother was asleep. Only the sound of big freezer broke the quiet. He’d dreamt of the cave the night before. The purring(轻微颤动声) of the freezer had been the sea.Tim pulled on a sweater and put some apples into his schoolbag. It was too early for breakfast, He’d eat after he’d been through the cave, sitting on the rocks and staring at the sea.He wished he had a proper pack. His schoolbag would have to do. What else? Sandwiches—but his mother might wake up if he started pulling out bread for sandwiches, she’d want to know why he had to leave so early. He settled for some biscuits, and left a note stuck to the table: Gone to Michael’s. Back tonight. TimThe sky was high and soft and light outside, though the sun still wasn’t up. Even the highway up the hill was quiet as he made his way down the street. The wind from the sea was fresh and sweet.The sandhills still breathed heat from yesterday’s sun, though the top of the sand was cool. He ran down to the beach impatiently, but there was no one, just dry sand dancing in the early wind and seabirds marching up and down watching the waves.The light changed suddenly. The first rays of sunlight stretched across the sea. The sun was pushing its way over the edge of the world.Over the first rocks, along to the point. Tim glanced back. The beach was still empty. The sun sailed higher in the sky.He could see the cave now, even darker in the morning light. The sand turned silver then dark gold as the water flowed away from it. He had to force himself to go closer. Why was it so much more mysterious now? But it would be silly to go back now after so much trouble. He needn’t go in all the way ...46. What did Tim do at the beginning of the story?A. He left the house quietly.B. He had breakfast at home.C. He left a note on the freezer.D. He put a sweater in his schoolbag.47. “He settled for some biscuits” (in Paragraph 3) means that Tim .A. had to leave the biscuits on the tableB. liked biscuits better than sandwichesC. had to take biscuits instead of sandwichesD. could only find some biscuits in the kitchen48. What made it possible for Tim to see the entry to the cave?A. The height of the first rocks.B. The ups and downs of the waves.C. The change in the position of the sun.D. The vast stretch of the sunlit beach.49. Which of the following statements is TRUE according to the story?A. The sea looked like a piece of gold.B. Seabirds flew away when Tim arrivedC. Tim was the only person on the beach.D. The sky got dark as Tim reached the cave.50. In the story, Tim’s mood(心情) changed from .A. loneliness to crazinessB. anxiousness to excitementC. helplessness to happinessD. eagerness to nervousness第四节阅读表达（阅读短文，回答以下五个问题，每小题3分，满分15分）Winning two world-class athletic tournaments in three days, Liu Xiang firmly established his status as China’s latest sporting sensation (轰动的人物). Liu won the men’s 110-meter hurdles at the Yokohama (横滨) track and field meet in Japan on Monday.Liu Xiang wins again. The 22-year-old clocked 13.08 to beat Maurice Wignall of Jamaica and Sergey Demidyuk of Ukraine. This wasn’t even his best time. He had equaled the world record of 12.91 seconds to win gold in the Athens Olympics. His time was three hundredths of a second slower than when he won the inaugural (开幕的) Grand Prix event in Shanghai on Saturday.In Shanghai, he won in 13.05 seconds. His e-from-behind-victory beat out American Allen Johnson. Johnson finished third at last month’s World Champ ionships in Helsinki, one spot behind Liu. “It feels great to win in front of so many of my own people,” Liu said after the Shanghai race. The race, the last event at China’s firstmajor athletic meet, wasn’t without controversy.American Dominique Arnold was sent off for a false start. He pointed at China’s Shi Dongpeng next to him and shouted, “He moved!” at the race officials before leaving the track. According to the television replay, Shi moved a little, but didn’t cross the start line. Unfortunately for Arnold, the movement was enough to push him to cross the line ahead of the gun.Liu said his result had been solid in the whole season and he tried to keep himself in good shape. “I think I can run it in 12 seconds sooner or later, but I don’t want to p ut pressure on myself. I just try not to get injured, ” he said, “I will be almost mature next year so I think I will have better results then.” “I really want to be in my best form in 2008,” added Liu, looking forward to the Olympic Games in Beijing.51. Why did Liu Xiang establish his status as China’s sporting sensation?52. According to the passage, what was Liu Xiang’s best time?53. What does paragraph 4 tell us?54. What does the underlined “e-from-behind- victory” in paragraph 3 mean?55. 改写第三段的划线句子，使其含有定语从句。
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Period 3Grammar—the －ing Form整体设计教学内容分析This teaching period mainly deals with the grammar：the －ing form. In the English language，the －ing form of a verb may be a present participle or a gerund. The form is identical and the difference is in the function，or the job it does in the sentence. The present participle is most commonly used：(1)After verbs of movement/position in the pattern.(2)After verbs of perception in the pattern. The gerund always has the same function as a noun(although it looks like a verb)．In this period we will focus on only part of the usages of the present participle，that is，the present participle used as the adverbial.三维目标设计Knowledge and skills1．To get the students to know the different forms and usages of the present participle.2．To enable the students to use the present participle as the adverbial correctly and properly.Process and methods1．To ask the students to pick out the sentences with the －ing form from the reading passage and translate them into Chinese2．To ask the students to discover the form and usages of the －ing form by comparing a lot of example sentences.3．To ask the students to do the exercises in Discovering useful structures on Page 37 for students to master the －ing form.4．To ask the students to summarize the －ing form.5．To ask the students to do the exercises in Using Structures on Page 71 and some other additional exercises for consolidationEmotion，attitude and value1．To get the students to become interested in grammar learning.2．To develop the students' ability of comparing and summarizing.教学重、难点1．To get the students to master the structure and usages of the －ing form.2．To enable the students to learn how to use the －ing form correctly.教学过程1Revision1．Check the homework exercises.2．Dictate some new words and expressions.3．Translate the following sentences into English：(1)凯特早上看到了火山爆发，她兴奋得整夜不能入睡。
(2)得知可怕的台风的消息后，我打电话给爸爸看一切是否安好。
Suggested answers：(1)Having seen a volcano erupting in the morning，Kate felt excited and couldn't fall asleep at night.(2)Having got the news about the terrible typhoon，I called my father to see if everything was OK.2Warming upAsk the students to go back to Page 33 and study the following three sentences in Pre－reading and translate them into Chinese paying special attention to their verb forms：(1)Do you think you would enjoy studying volcanoes as a job?(2)Do you like working outside as well as inside?(3)Are you interested in studying rocks and other things that make up the surface of the earth?Tell the students that the above three sentences are with the －ing form and discuss it with them. Then ask the students to think over the question “What is the －ing form？”Suggested answers：(1)你认为你会乐意把研究火山作为工作吗？(2)你喜欢室内工作同时也喜欢室外工作吗？(3)你对研究岩石及其他一些组成地球表面的物质感兴趣吗？3Grammar learningAsk the students to study the following sentences and try to summarize the structures and the meanings of the －ing form.1．the －ing form as the adverbial(1)Because_I_was_feeling_tired，I went to bed early.因为感到累了，所以我早早地上床睡觉了。
(＝_Feeling_tired，I went to bed early.)(2)While_I_was_walking along the street，I met Mary.在街上走的时候，我遇到了玛丽。
(＝Waking along the street，I met Mary.)(3)If_you_turn to the left，you will find the school.向左转，你就会找到那个学校。
(＝Turning_to the left，you will find the school.)(4)Though_he_knows where I live，he never comes to see me.虽然他知道我的住处，但是他从来不来看我。
(＝Knowing where I live，he never comes to see me.)(5)I stood there，and_waited for her.我站在那儿等她。
(＝I stood there，waiting for her.)2．having done(1)After_I_had_finished my work，I went home.工作做完之后我就回家了。
(＝Having_finished my work，I went home.)(2)Because_the_book_had_been_written in haste，it has some faults.这本书因为仓促完成，所以有些缺憾。
(＝Having_been_written in haste，the book has some faults.)4Summing upTry to help the students draw the following conclusions.1．The －ing form can be used as the adverbial in a sentence to give information about time，reasons or results.2．We use the structure “having＋past participles”(the perfect －ing form)to refer to an action that took place before the time expressed by the verb in the main clause.5Grammar practiceAsk students to do the following exercises.1．Change the following sentences into the －ing form.Put the verbs into the correct forms.(1)When Rose woke up in the middle of the night，she saw her room was as bright as day.(2)After we had stopped the car，we found ourselves trapped in thick fog and couldn't see clearly ahead.(3)Because I had spent all night reading the documents，I was very tired the next day.(4)As the child had never seen a rainbow before，he was very excited.Suggested answers：(1)Waking up in the middle of the night，Rose saw her room was as bright as day.(2)Having stopped the car，we found ourselves trapped in thick fog and couldn't see clearly ahead.(3)Having spent all night reading the documents，I was very tired the next day.(4)Having never seen a rainbow before，the child was very excited.2．Do Exercise 4 in Discovering useful structures on Page 37.First ask students to do the exercises individually and then let them discuss and check their answers with their partners，and finally give them the correct answers and deal with any problems they might meet.6Getting more about the grammarAsk students to go back to Page 34 and read through the reading passage An Exciting Job to pick out the sentences with the －ing form and then translate them into Chinese.Suggested answers：(1)Sometimes working_outdoors，sometimes in an office，sometimes using_scientific_equipment and sometimes meeting_local_people_and_tourists，I am never bored.有时在室外工作，有时在办公室，有时工作中要用科学仪器，有时要会见当地百姓和旅游人士，我从来不感到工作烦人。