选修6unit5课件.ppt

1、,基础知识自测,一、单词识记,n. 图解图表示意图_ Vi.爆发；突然发生_ n._ 3. n. 灰，灰末_ 4. 在旁边，在旁边_ 5. n.设备；装备_ 6. vt. 任命；委派_ 7.vt. 评估，估计_ 8.n. 波浪，vt.挥手_ 9.adj.绝对的，完全的_ adv._ 10.n/vt 套装，适合_ 11.n./adj. 潜在，可能性_ 12.adj. 实在的，实际的_ 13.n. 侯选人_ 14.n. 恐吓，威胁_ 15. adj.贵重的，珍贵的_ 16. n. 文件，证件_,17.adj. 不舒服的_ 18.adj. 失去知觉的_ 19.vt.射中；射伤_ 20.vi.摇晃，颤

2、抖_ 21. adj.忧虑的，不安的_ n._ 22. v/n. 惊慌_ 23.adj. 多种多样的_ n._ 24.vi. 洗澡，游泳_ 25.n. 欣赏，感激_ 26.vt. 保证，担保_ 27.n. Volcano_ 28 n. hurricane_ 29n. questionnaire_ 30 n. database_ 31 balcony_ 32persuasion_,diagram,erupt,eruption,ash,alongside,equipment,appoint,evaluate,absolute,absolutely,suit,potential,actual,can

3、didate,threat,precious,document,uncomfortable,unconscious,shoot,tremble,anxious,anxiety,panic,diverse,diversity,bathe,appreciation,guarantee,火山,飓风,问卷，调查表,数据库，资料库,阳台,信服，说服,wave,短语检测,1.任命某人为_ 2.全部焚毁_ 3.对不屑一顾_ 4.确凿的事实_ 5.适合于_ 6.前往_ 7.没意识到_ 8.朝射击_ 9.飞快地_ 10.为担心_ 渴望做某事_ 11.陷入惊慌_ 12.匆匆看一遍_ 13.由到不等_ 14.各种各

4、样的_ 15.保证做某事_,appoint sb as /to be,burn to the ground,wave aside,an absolute fact,Be suitable for,Make ones way,Be unconscious of,Shoot at,Like a shot,be anxious about,be anxious to do,get into panic,Glance through,Vary fromto,a diversity of,guarantee to do,earthquake,floods,drought,thunder/ lightni

5、ng,tornado/cyclone,tsunami,hurricane /typhoon,volcano-eruption,What do you know about volcano? Do you know how a volcano erupts?,volcano-eruption,Boiling rock erupts from the crater; the lava flows slowly down the mountain.,Magma chamber,Lava,Crater,Ash cloud/volcanic ash,Near the oceans.,2) Where i

6、s the most possible place that a volcano may erupt?,Look at the diagram on the right. It shows a volcano erupting. What do you know about volcanoes? Share your knowledge with others in your class. Use some of the words on the diagram in your discussion.,Have you ever thought about how powerful natur

7、e is? Have you ever considered how weak humans are compared with a volcano, hurricane or earthquake? Yet, however weak we are, we are not completely powerless. In your groups discuss ways human being protect themselves from powerful natural forces.,Unit 5,reading,The power of nature,Can you imagine

8、climbing into a live volcano in order to measure the temperature of the boiling rock inside? Can you imagine doing such dangerous work as part of your job? Do you think you would enjoy studying volcanoes as a job? Answer yes or no to these questions to find out if you would be suitable for this work

9、.,Pre-reading,Pre-reading,If you answered yes to all these questions, then volcanology could be a good career for you. Read the passage on the next page to find out more about being a volcanologist.,Skimming,I have the greatest job in the world,Danger excites me and makes me feel alive,Protect peopl

10、e from the volcano,Read the passage and answer: Why is the authors job important?,What made the author realize that an eruption occurred?,My bed began shaking,A strange sound,My bed room became as bright as day,Red hot lava was fountaining hundreds of metres into the air,An absolutely fantastic sigh

11、t,What did the scientists do after the eruption?,Put on white protective suits helmets, big boots,Dropped as close as possible to the crater,Slowly made our way to the edge of the crater,Looked down into the red, boiling centre,Climbed down into the crater to collect some lava,2. What is the volcano

12、logist wearing when getting close to the crater?,He is wearing white protective suits that covered his whole body, helmets, big boots and special gloves, just like a spaceman.,Why is a volcanologists job important? 2. Where is Mount Kilauea? 3. Why is the lava that flows on Mount Kilauea more danger

13、ous than the actual eruption? 4. What caused the writers bedroom to become as bright as day even though it was night?,Comprehension - Reading,Answer these questions using complete sentences.,Volcanologists study volcanoes so that they can warn people when the volcano is going to erupt and so save ma

14、ny lives.,Mount Kilauea is in Hawaii.,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.,The light was caused by the red-hot rocks and gas that erupted from the volca

15、no.,6. Why was it difficult for the write to walk towards the edge of the crater? 7. What does the writer find impressive about volcanoes even after studying them for many years?,The author was wearing special protective clothing that made it difficult to walk.,The author is impressed by the beauty

16、of the eruption and also by its potential to cause great destruction.,5. Why did 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.,The main idea of the passage: Part 1(Pa 1-2) Part 2(Pa 3-4) Part 3(Pa 5

17、),What is the writers job and the importance of his job? The writers experience of watching the volcano eruption. The reasons why the writer is enthusiastic about his job?,Analyze the reading passage,Choose the best answer: 1. The writer doesnt mind the occasional danger of his job because _. A. He

18、travels to unusual places and meets interesting people from all over the world B. He likes the different ways of working C. He thinks his job the most important D. He is excited about dangers and feels alive.,D,2. What does the writer mean by using “lucky” in the sentence “I was lucky enough to have

19、 a much closer look at it.”? A. He felt much safer on the top while the other two scientists climbed down into the crater. B. It was his first sight of an eruption. C. It was the first time for him to watch the crater. D. Both B and C.,D,知识点解析,I have the greatest job in the world. I travel to unusua

20、l places and work alongside people from all over the world. Sometimes working outdoors, sometimes in an office, sometimes using scientific equipment and sometimes meeting local people and tourists, I am never bored. Although my job is occasionally dangerous, I dont mind because danger excites me and

21、 makes me feel alive. However, the most important thing about my job is that I help protect ordinary people from one of the most powerful forces on earth - the volcano.,Paragraph1,bore vt. 使感到厌烦；n. 令人厌烦的人或物，麻烦 Tom Blairs speech bored most of the audience.布莱尔的讲话使大部分的观众感到厌烦。 【想一想】英语中有部分及物动词，如bore, tir

22、e, excite, surprise, interest, worry, astonish, shock, frighten, terrify, disappoint, satisfy, inspire, encourage, puzzle等，它们的v.-ing形式adj.表示主体名词令人有某种感受，而它们的v.-ed式adj. 表示主体名词本身有某种感受。 【练一练】 He _ the same thing every day. He _ by talking for hours about his new car. 他大讲他的新车使我们感到厌烦。 Mr Smith, of the spe

23、ech, started to read a novel. A. tired; bored B. tired; boring C. tiring; bored D. tiring, boring It is believed that if a book is it will surely the reader. A. interested; interest B. interesting; be interested C. interested; be interesting D. interesting; interest,was bored with/of doing,bored us,

24、B,D,I was appointed as a volcanologist working for the Hawaiian Volcano Observatory (HVO) twenty years ago. My job is collecting information for a database about Mount Kilauea, which is one of the most active volcanoes in Hawaii. Having collected and evaluated the information, I help other scientist

25、s to predict where lava from the volcano will flow next and how fast. Our work has saved many lives because people in the path of the lava can be warned to leave their houses. Unfortunately, we cannot move their homes out of the way, and many houses have been covered with lava or burned to the groun

26、d.,Paragraph2,appointvt.任命，委派；约定，指定，安排 归纳拓展 )They have appointed a new headmaster at my sons school. They appointed him (as) captain of the English team. The time appointed for the meeting was 1030. 即境活用 我们在考虑指定他当秘书。 We are considering _ _ _ act as secretary.,appointing him to,When boiling rock erup

27、ts from a volcano and crashes back to earth, it causes less damage than you might imagine. This is because no one lives near the top of Mount Kilauea, where the rocks fall. The lava that flows slowly like a wave down the mountain causes far more damage because it buries everything in its path under

28、the molten rock. However, the eruption itself is really exciting to watch and I shall never forget my first sight of one. It was in the second week after I arrived in Hawaii. Having worked hard all day, I went to bed early. I was fast asleep when suddenly my bed began shaking and I heard a strange s

29、ound, like a railway train passing my window. Having experienced quite a few earthquakes in Hawaii already, I didnt take much notice. I was about to go back to sleep when suddenly my bedroom became as bright as day. I ran out of the house into the back garden where I could see Mount Kilauea in the d

30、istance. There had been an eruption from the side of the mountain and red hot lava was fountaining hundreds of metres into the air. It was an absolutely fantastic sight.,Paragraph3,The day after this eruption I was lucky enough to have a much closer look at it. Two other scientists and I were driven

31、 up the mountain and dropped as close as possible to the crater that had been formed during the eruption. Having earlier collected special clothes from the observatory, we put them on before we went any closer. All three of us looked like spacemen.We had white protective suits that covered our whole

32、 body, helmets, big boots and special gloves. It was not easy to walk in these suits, but we slowly made our way to the edge of the crater and looked down into the red, boiling centre. The other two climbed down into the crater to collect some lava for later study, but this being my first experience

33、, I stayed at the top and watched them.,Paragraph4,(1) It is/will be +时间段+before从句 “要过多久才”before 从句用一般现在时 (2)It was +时间段+before从句 “过了多久才”before 从句用一般过去时 (3)It wont be +时间段+before从句 “不用过多久就会”before 从句用一般现在时 (4)It wasnt +时间段+before从句 “没过多久就”before 从句用一般过去时 (5)It is +时间段+since从句 “自以来已有多久了”，since从句中用一般过去时 Eg. We waited a long time before the train arrived.我们等了很长时间火车才到达。 It will be two years before we meet again.要等两年我们才能再见面。 He hadnt gone a mile before he felt tired.走了不到一英里他就累了。,make ones way to/towards向走去 make way(for sb./sth.) 某人/某事物通过；给某人/某事物让路 fight ones way打出道路；奋勇前进 find a way