1、Unit 5 The Power of Nature 人教新课标选修六人教新课标选修六Remember what happened on Dec 26,2004?tsunami Do you know any other natural disasters?Please work with your partners and make a list of natural disasters.Warming up earthquakefloodsdroughtthunder/lightningtornado/cyclonehurricane /typhoonvolcano-eruption Wh
2、at do you know about volcano?Do you know how a volcano erupts?volcano-eruptionBoiling rock erupts from the crater;the lava flows slowly down the mountain.Magma chamberLavaCraterAsh cloud/volcanic ashMore about the volcanoMore about the volcano1.How is a volcano formed?The rocks under the earth becom
3、e hotter and hotter and erupt from the mountain.Near the oceans.2.Where is most possible for a volcano to erupt?An extinct volcanoHaleakala Crater,the largest dormant volcano in the worldMaui,HawaiiAn active volcano3.What types of volcanoes do you know?dormant volcanoactive volcano(=one that may eru
4、pt at any time)dormant volcano(=one that is not active at the moment)extinct volcano(=one that is no longer active at all)What qualities are needed for a volcanologist?Are you suitable for being a volcanologist?Answer“yes”or“no”to the following questions.Pre-reading Yes No 1 Do you like working outs
5、ide as well as inside?2 Do you enjoy travelling to unusual places?3 Do you enjoy taking risks?4 Do you dislike doing the same thing every day?5 Do you like adventure in your life?6 Are you interested in studying rocks and other things that make up the surface of the earth?I would like/wouldnt like t
6、o be a volcanologist because.An Exciting JobReading1.What is the writer?2.When did he first see an eruption?How did it look like?3.What was he wearing when getting close to the crater?And what was the result?Skim the text and answer the following questions:1.What is the writer?2.When did he first se
7、e an eruption?How did it look like?He is a volcanologist working for the Hawaiian Volcano Observatory.He mainly collects information about Mount Kilauea.It was in the second week after he arrived in Hawaii.It was very bright although it was night.Red lava fountained hundreds of meters into the air a
8、nd it was a fantastic sight.3.What was he wearing when getting close to the crater?And what was the result?He was wearing white protective suits that covered his whole body,helmets,big boots and special gloves,just like a spaceman.As a result,it made him difficult to walk.What kind of things should
9、a volcanologist do?Collect and evaluate information about volcanoes.2.What is the volcanologist wearing when getting close to the crater?White protective suits that covered his whole body,helmets,big boots,special gloves.He looks just like a spaceman.Part 1(Para 1-2)Part 2(Para 3-4)Part 3(Para 5)The
10、 writers job and its importance The writers experience of watching the volcano eruptionThe reasons for the writers enthusiasm about his jobThe main idea of the passage:Part one (Para 1-Para 2)Part one (Para 1-Para 2)1)Why is a volcanologists job important?2)Where is Mount Kilauea?3)The writer doesnt
11、 mind the occasional danger of his job because _ _.It can warn people when the volcano is going to erupt and save many lives.In Hawaii.danger excites him and make him feel alivePart two (Para 3-Para 4)Part two (Para 3-Para 4)1.Why is the lava that flows on Mount Kilauea more dangerous than the actua
12、l eruption?2.What made the author realize that an eruption occurred?a.I heard a strange sound.b.my bedroom became as bright as day.c.my bed began shaking.d.I ran out of the house into the back garden.1234Part two (Para 3-Para 4)Part two (Para 3-Para 4)3.What does the writer mean by using“lucky”in th
13、e sentence“I was lucky enough to have a much closer look at it.”?4.Why did the scientists have to get close to the volcano after it began erupting?To get some lava for later study.It was his first sight of an eruption.It was the first time for him to watch the crater.Part three (Para 5)Part three (P
14、ara 5)What attracts the writer after he has studied volcanoes for more than twenty years?The author is impressed by the beauty of the eruption and also by its potential to cause great damage.1.Why is a volcanologists job important?Volcanologists study volcanoes so that they can warn people when the
15、volcano is going to erupt and so save many lives.2.Where is Mount Kilauea?Mount Kilauea is in Hawaii.Scan the text and answer the following questions:4.What caused the writers bedroom to become as bright as day even though it was night?The light that was caused by the red-hot rocks and gases that er
16、upted from the volcano.3.Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption?The lava flows down the mountain and can cover up or burn villages in its path.The rocks that erupt from the volcano usually dont damage anything because no one lives near the crater.5.Why di
17、d the scientists have to get close to the volcano after it began erupting?The scientists needed to get samples of the lava so they could study them.6.Why was it difficult for the writer to walk towards the edge of the crater?The author was wearing special protective clothing that made it difficult t
18、o walk.7.What does the writer find impressive about volcanoes even after studying them for many years?The writer finds their beauty and also their potential to cause great destruction.Having learned a little more about the work of a volcanologist,do you think it is a occupation you would enjoy?Give
19、your reasons.No.I probably wouldnt enjoy this job because I would have to live in other countries and also I dont like being in dangerous.Also,Im not very good at science.Yes,Id like to do a job like this because I would enjoy working outside and I think I would enjoy the adventure.It would be excit
20、ing to meet people from different countries and I would feel good about helping people avoid danger.Suggested answers to Exercise 2 on page 35Essential skillsDegree and/or Doctors degree in geologyInterest in Earth science which includes:knowledge of volcanoesknowledge how magma(hot,liquid rock)erup
21、ts and how it behavesresearch skillsskill in analysing and interpreting research results and other informationpractical skills for performing experiments and operating scientific equipmentDesirable skillsComputer skillsForeign languagesPractical skills such as:the ability to read maps.problem-solvin
22、g skills.planning and organizational munication skills.writing skills,for writing reports and for publications.1.volcanopl.volcanoes-logy:“学学/论论”volcanology-ist“学家学家”volcanologist 活火山活火山死火山死火山休眠火休眠火山山火山学火山学scientistpianist 火山学家火山学家biologyoceanology an active volcano an extinct volcano a dormant volc
23、ano2.eruptIts many years since Mount Vesuvius last erupted.2)（搏斗，暴力事件，噪音等）突然发生，爆发（搏斗，暴力事件，噪音等）突然发生，爆发 Violence has erupted on the streets.erupt into laughter/shouting/crying突然大笑突然大笑/叫喊叫喊/大哭大哭He erupted into laughter without any reason.1)1)（火山）爆发，喷发（火山）爆发，喷发3.alongside 1)prep.with “和和”;beside“在在.旁边旁边
24、”Its a pleasure to work alongside such men.The boat pulled up alongside the dock（码头）（码头）.2)adv.在旁边在旁边;沿着沿着;靠拢着靠拢着;并排地并排地The police car drew up alongside.拓展：拓展：alongside of 在在旁边，与旁边，与并排，并排，与与相比相比alongside with 与与一起，一起，除除.以外以外4.equipment 【u】n.配备配备,装备装备The complete equipment of the new hospital will ta
25、ke a year.把这个新医院的设备配齐要化一年时间。把这个新医院的设备配齐要化一年时间。设备，设备，器材器材This is a usual piece of equipment for the kitchen.medical/office equipment equip v.装备装备,使有准备使能够做某事使有准备使能够做某事Equip ourselves with knowledgeEquip the army with modern weapons5.bore I am _ with the same old routine day after day.The book is _.I a
26、m sorry I spoke for so long.I hope I didnt _ you.My father is always _ us with his stories about the war.boredboringboreboringbore sb.to death 使某人厌烦得要命使某人厌烦得要命6.appoint vt.任命任命,指派指派 appoint sb.as/to beThey appointed him(to be)manager.约定约定,指定指定;安排安排Our visitors arrived at the appointed time.拓展：拓展：app
27、oint sb.to do sth.appoint a time/place/for sth./to do sth.The time appointed for the meeting is 10:30.appointment n.(尤指正式的尤指正式的)约会约会 +withhave an appointment with sb.与某人约会与某人约会I have an appointment with them in the evening.7.evaluate 评估，评评估，评价价没见过他的工作，我无法评估他的能力。没见过他的工作，我无法评估他的能力。I cannot _ without s
28、eeing his work.evaluate water quality,evaluate method,evaluate factorevaluation n.评估，评价，评估报告评估，评价，评估报告They made an intensive evaluation of the health care program.evaluate his ability8.burn to the ground 完全完全(楼房等楼房等)烧毁烧毁 He has no place to live in because his house has been burnt to the ground.与与bur
29、n搭配的常用词组有：搭配的常用词组有：burn away烧掉烧掉 Half of the candle had burnt away.burn down 渐渐烧完渐渐烧完 The room grew colder as the fire burnt down.burn sth.down 把把烧得精光烧得精光 Dont forget to turn off the gas-you might burn the house down.burn up 烧得更旺烧得更旺 He put more wood on the fire to make it burn up.burn sth.up 把把烧掉烧掉
30、 He has burnt up all the garden rubbish.burn off 烧掉某物，消耗烧掉某物，消耗 burn to death 烧死烧死 burn out 烧光烧光 burn oneself out 耗尽某人精力耗尽某人精力9.wave v.1）指固定的物体上下摆动或摇动）指固定的物体上下摆动或摇动2）（指人）挥手、招手、摆手）（指人）挥手、招手、摆手3）（使某物）呈弧形）（使某物）呈弧形a flag waving in the breeze,a field of waving corn;He waved(to us)when he saw us.She has h
31、er hair waved.n.波浪，波浪，The storm whipped up(掀起了掀起了)huge waves.拓展：拓展：wave band（无线电波）波段（无线电波）波段 wave length（光波、声波等的）波长（光波、声波等的）波长 in waves 一批一批，一阵一阵一批一批，一阵一阵wave sth.aside 不理会某事不理会某事10.However,the eruption itself is really exciting to watch and I shall never forget my first sight of one.然而火山喷发本身的确是很壮观的
32、，我永然而火山喷发本身的确是很壮观的，我永远也忘不了我第一次看见火山喷发时的情远也忘不了我第一次看见火山喷发时的情景。景。在在“主语主语+be+形容词形容词+不定式不定式”句型中，有句型中，有时主语是不定时结构的逻辑主语，这时应时主语是不定时结构的逻辑主语，这时应用主动形式表示被动含义。适合于此结构用主动形式表示被动含义。适合于此结构的形容词比较多，最常用的有的形容词比较多，最常用的有amusing,dangerous,difficult,easy,important,nice,pleasant 等。等。当上述形容词在句子做宾语补足语，当上述形容词在句子做宾语补足语，后接不定式，不定式也用主动
33、形式表后接不定式，不定式也用主动形式表被动意义被动意义That question is difficult to answer.Chicken legs are nice to eat.I found him easy to get along with.They dont think the game interesting to play.sight,scene,scenery,view sight:表示表示“风景，名胜风景，名胜”时用复数形式，时用复数形式，人文景观；还有人文景观；还有“视力视力”意思。意思。scene：指一眼可以浏览的风景，不限于自指一眼可以浏览的风景，不限于自然风景。
34、然风景。scenery：集合名词，至该地区的：集合名词，至该地区的“整个风整个风景景”，是有多个，是有多个scene构成的景色。构成的景色。view:常指在远处或高处，一人的角度看到常指在远处或高处，一人的角度看到的的scenery一部分。一部分。Birds have better sight than dogs.We have a fine view of the lake from our hotel window.Guilin is world-famous for its scenery.There are many beautiful scenes in the park.12.Ha
35、ving experienced quite a few earthquakes in Hawaii already,I didnt take much notice.由于我已经在夏威夷经历过好几次地震，由于我已经在夏威夷经历过好几次地震，所以我并没过多注意。所以我并没过多注意。Having分词短语在句中作状语，表示分词短语在句中作状语，表示动作发生在主句动作动作发生在主句动作take notice之前。之前。Having cleaned the classroom,the students went to the playground to watch the football match.
36、take notice of sb or sth 注意到注意到（常用于（常用于否定句）否定句）Take no notice of what others say about your way of life.13.absolute adj.完全的完全的;真实的真实的 absolutely adv.完全地完全地;绝对地绝对地e.g.Its an _ fact.-Do you let your kids walk alone at night?-_not.You are _ right.Its _ impossible.I have _ trust in you.There is no _ sta
37、ndard for beauty.absoluteAbsolutelyabsolutelyabsolutelyabsoluteabsolute 拓展拓展:absolute zero 绝对零度绝对零度absolute majorityabsolute trustabsolute proof 确凿证据确凿证据absolutely adv.完全地，无条件地完全地，无条件地,完全完全对对absolutely right 十分对，对极了，当十分对，对极了，当然（口语，作为对一问题的回答或评然（口语，作为对一问题的回答或评语）语）-Do you let your kids walk alone at ni
38、ght?-Absolutely not.14.make ones way 向某地走去向某地走去,有出息有出息她犹豫了一下她犹豫了一下,但向前走去但向前走去.She hesitated,but _.她快速离开房间她快速离开房间,朝她床边走去朝她床边走去.She hastily left the room,and _ _.你若想要有出息你若想要有出息,趁年轻的时候要学会发奋趁年轻的时候要学会发奋.If you want to _,you must learn to work hard while you are still young.made her way forward made her w
39、ay to her bedmake your way in the world所有的车辆都得给救火车让路所有的车辆都得给救火车让路.All the traffic has to _ _.我将把职务让给更年轻的人我将把职务让给更年轻的人.I shall _.make way for a fire truckmake way for younger peopleMake way for 为为让路让路 拓展拓展:feel one way 摸索前进摸索前进push ones way 挤过挤过find ones way 找到路，设法到达找到路，设法到达go ones way 走自己的路，我行我素走自己的
40、路，我行我素fight ones way 奋勇前进奋勇前进wind ones/its way 蜿蜒前进蜿蜒前进lose ones way 迷路迷路Stuggle ones way挣扎着前进挣扎着前进15.Today,I am just as enthusiastic about my job as the day I first started.如今，我和当初从事这项工作时一样满怀如今，我和当初从事这项工作时一样满怀热情。热情。在句中，在句中，the day 作复合连词用，引导时间作复合连词用，引导时间状语从句状语从句I first started 名词短语名词短语each time,ever
41、y time,the moment（一（一就）和就）和the day 等都可以用作复合等都可以用作复合名词，引导时间状语从句，使用时注意短名词，引导时间状语从句，使用时注意短语前面不可以有介词，后面不用语前面不可以有介词，后面不用when.I will give him your message the minute he arrives.He bought a computer the day he got his salary.16.potential n.U.可能性可能性;潜力潜力,潜能潜能 (+for)She has acting potential,but she needs tra
42、ining.He is a young player with great potential.It was his high school teacher that discovered his potential and kept encouraging him.adj.潜在的，可能的潜在的，可能的 A number of potential buyers expressed interest in the company.Education develops potential abilities.Discovering useful Discovering useful words a
43、nd words and expressionsexpressions 1 Replace the underlined parts with a word or phrase of similar meaning from the text.Rewrite the sentence if necessary.1.We received the written set of questions from the company as they were eager to find out our opinion on their products.the questionnaire2.The
44、car drew up next to the side of our car and the driver waved to us.3.The scientists were studying carefully to see how successful the experiment is.alongsideThe scientists were evaluating the experiment4.I moved carefully over the fallen rocks and returned to the car.5.I think the boy is likely to a
45、chieve success in painting,but he needs training.6.The teacher was given the job because he was the best candidate.made my wayhas potentialappointed7.It is certain that the factory will greatly raise their efficiency if they have modern machines and tools.8.Charles looked at the drawing that shows h
46、ow the machine works and knew immediately what was wrong with it.equipmentdiagram2 Complete the paragraph with the words in the box in the correct forms.burn to the ground absolute volcano eruption wave fountain ash lava erupt The eruption of Mount Vesuvius in 79AD took the people of Pompeii by surp
47、rise.They had always known that the mountain was a _ but it had been quiet for so long that nobody saw it as a threat.When the volcano finally did _,volcanoeruptit was so quick and so severe that the town was soon covered in _ and _.A writer called Pliny,who was there during the _,described how lava
48、 was thrown into the air like a _.After it fell to earth,it turned into _ of lava which travelled down ashlavaeruptionfountainwavesthe mountain faster than people could run away.It was an _ disaster for those who could not escape in time.Many of the wooden houses and bungalows in Pompeii were _,but
49、the stone houses remained under the ash until they were rediscovered during the 20th century.absoluteburned to the groundDiscovering useful Discovering useful structuresstructures本课时重、难点本课时重、难点 重点重点:动词动词-ing形式的作用形式的作用 动词动词-ing形式在做状语时的作用形式在做状语时的作用 难点难点:动词动词-ing形式的一般式与完成式的区别形式的一般式与完成式的区别Revising the i
50、ng form观察下列例句观察下列例句,思考划线部分作用。思考划线部分作用。(1)This is an interesting book.()(2)The man sitting by the window is our maths teacher.()(3)Seeing the teacher entering the room,the students stood up.()(4)I saw the boy walking on the street yesterday.()(5)Playing football is his favotire sport.()(6)I didnt sto
