高二英语导学案Unit 5 The Power of NaturePeriod 1 Warming up, Pre-reading课型：热身，预读知识要点：1.重点单词和短语：diagram, volcano, erupt, eruption, ash, hurricane, questionnaire,equipment, appoint, evaluate, wave, fountain, absolutely, suit; compared with, erupt into/in, burn to the ground, make one’s way to2.To learn about some facts and views about volcano erupting.Step 1 Warming up:Look at the diagram on the right on Page 33. It shows a volcano erupting.(a list of natural disasters: such as earthquake, snowstorm, flood, drought)(Some new words: volcano, volcanology, volcanologist, erupt, eruption, ash, crater, lava. hurricane, Magma chamber, dormant, extinct volcanoes, ……)Step 2 Pre-readingCan you imagine 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? (Questionnaire on Page 33)Step 3 Reading and comprehending1. Fast reading:Ask students to skim the passage so as to get the key words and general idea of each paragraph and answer the question: What’s the main idea of the text?2. Read the passage carefully and answer the following questions.(1) 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?Step 4 Language Study重点单词：重点短语：重点句式：railway train passing my window.2. The other two climbed down into the crater to collect some lava for later study, but thisStep 5 Homework: Page 35 exercise 1Period 2 Reading and Comprehending课型：阅读课学习目的： 1 训练阅读技巧，培养快速阅读，猜词，找中心句的能力。
2 掌握部分知识点。
3 几个复合句的理解教学过程：Step 1 Lead-inStep 2: Fast reading: Read the passage An Exciting Job as quickly as you can and try to get the main idea of the passage.What is the main idea of the passage?A. An eruption occurred in Hawaii.B. A volcanologist’s job is exciting.C. A volcanologist’s exciting job and his first sight of an eruption.D. A sight of an eruption is horrible.Step 3: Detailed reading:1. Reading the first and the second paragraphs and finish the following tasks.1). Why is a volcanologist’s job important?2). The writer doesn’t mind the occasional danger of his job because .A. he travels to unusual places and meets interesting people from all over the world.B. he thinks his job the most importantC. he likes the different ways of workingD. he is excited about danger and feels alive.3). As a result of the vocanologist’s job,A. other scientists predict the progress of lava from the volcanoB. many people have been warned to leave their homes.C. the eruption causes less damageD. the eruption may be prevented from breaking out2. Read the third and the fourth paragraphs and finish the following tasks.1). What does the writer mean by using “lucky” in the sentence “I was lucky enough to have a much closer look at it”?A. He felt much safer on the top while the other two scientists climbed 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.Step 4: Searching reading:1. I am still amazed at their beauty as well as their potential to cause great damage. “Potential”means:A. possibilityB. opportunity2. Translate the following sentence into Chinese.Having studied volcanoes now for many years, I am still amazed at their beauty as well s their potential to cause great damage.Step 5 Homework:完成第36页的1，2练习。
Period 3 Language Study课型：语言点学习课程目标：学习阅读部分重点难点单词，短语和句型。
教学过程：重点知识点梳理及巩固：1.volcano n. pl. volcanoes活火山an active volcano死火山an extinct volcano休眠火山 a dormant volcano火山学volcanology火山学家volcanologist2. erupt v.1)（火山）爆发，喷发维苏威火山已经多年没有爆发了。
Mount Vesuvius _____ _______ for a good many years。
2)（搏斗，暴力事件，噪音等）突然发生，爆发街头暴力可以在没有明显原因的情况下爆发。
Violence in street can erupt for no apparent reason.erupt into laughter/shouting/crying, etc.突然大笑/叫喊/大哭他毫无理由地大笑起来。
He _______ _______ _______ without any reason3.equipment n. 设备，装备（不可数名词）a piece of equipment 一台设备equip v. 配备：装备equip sb/sth with sth 用。
装备起来/ 使具备。
the boy _________ _____________ ___________ food and water and then set off.孩子们配备好食物和水就出发了。
4 appoint v 任命，委派，安排，确定（时间，地点）appointment n. 约会，委派appoint sb as/to be….. 任命某人为。
appoint sb to do sth 委派某人做某事appoint a time/place for sth./to do sth 确定时间，地点做某事he ______ ______ _______chairman. 他被任命为主席Miss wang ______ ______ ______in the library. 王小姐被委派到图书馆工作。
Please ______ _______ _______ the meeting. 请安排开会时间。
5 Having collected and evaluated the information, I help other scientists to predict wherelava from the volcano will flow next and how fast it will flow。