《21世纪大学英语基本版第一册Unit5.ppt》由会员分享，可在线阅读，更多相关《21世纪大学英语基本版第一册Unit5.ppt（317页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、Unit5-main1,I. Objectives,II. Suggested Teaching Plan,III. Background Information,IV. Class Presentation,Unit5-main2,Part IListening,Part II Reading,Part III Speaking,Part IV Translation gain ease and familiarity with the theme-related expressions and their functional structures; understand the main
2、 idea of Text A and Text B, as well as master the useful sentence structures and words and expressions found in the two texts follow-up exercises; memorize the useful sentences in the texts and be able to reproduce them when needed;,5. be able to read notices and understand how to follow the instruc
3、tions stated in them； 6. be able to write thank-you notes;,Objectives 2,I. Objectives,II. Suggested Teaching Plan for Unit 5,Suggested Teaching Plan for Unit 1,Time,Contents,Plan,1 period,Theme-related Listening,Section 1 Now play the short talk once, or twice if necessary, and ask the class to comp
4、lete the three statements that follow, according to the directions given; Next, briefly discuss the three statements to explore the short talks main idea; Afterwards, play the short talk again for details so that students can fill in the blanks in the text excerpt; Lastly, make a list of expressions
5、 useful for discussing environment protection.,Suggested Teaching Plan for Unit 2,Time,Contents,Plan,Section 3, 4 Focus on the word LED while handling the vocabulary box; Now play the first dialogue once, or twice if necessary, and, as a way to explore its main idea, ask students to decide whether e
6、ach of the three statements is true or false; Next, play the first dialogue again for details so as to activate a discussion based on the questions; Draw students attention to the useful expressions they have learned in the vocabulary box;,Suggested Teaching Plan for Unit 3,Time,Contents,Plan,1 peri
7、od,Theme-related Listening,F.,Then play the second dialogue once, or twice if necessary, and ask students to do the listening comprehension exercises;,Afterwards, check the answers in a meaningful way, i.e., not simply by calling out the correct choices but by offering relevant information.,3 period
8、s,A Brief Review of Theme-related Listening,Review,A. B.,First, briefly review what students learned in the first period; Next, raise various questions with the students to facilitate review and enhance communication.,Suggested Teaching Plan for Unit 4,Time,Contents,Plan,After finishing the listenin
9、g tasks, the teacher turns to Text A of the unit. To begin, the teacher,Starter,A. B.,asks the students to make a list of green energy sources and describe the uses we make of each; gives the students 10 minutes to read Text A and then describe which method for warming or cooling our buildings in th
10、e different seasons the writer has talked about.,Suggested Teaching Plan for Unit 5,Time,Contents,Plan,The teacher,Text A,A. B.,discusses the whole text with the students; guides the students through the exercises, focusing on certain ones while leaving others as homework, depending on students leve
11、ls.,2 periods,The teacher,A.,asks the students to go over the text and do the subsequent multiple choice questions;,Text B, Text C ,while discussing the text with the students, calls the students attention to the use of gerundial phrases;,Text C This text should be read by the students themselves as
12、 their homework or as fast-reading in class.,Suggested Teaching Plan for Unit 7,Time,Contents,Plan,B. C.,requests the students to read loud the dialogue before doing the role-play (independent of the script); encourages students to use the language they have learned from the texts in the exercise of
13、 monologue.,1 period,Translation and Writing, Time to Relax helps the students learn how to write thank-you notes in English by doing the first exercise in Practical Writing, and then requires them to do the next two exercises after class;,Suggested Teaching Plan for Unit 8,Time,Contents,Plan,C. D.,
14、plays the song “Solar Energy” in class and has the students fill in the blanks in the lyrics (this can be done as homework if there isnt much time left in class); if possible, plays the Workbook video in class and has the students do the exercise based on the video.,Green building,Green building is
15、a structure designed and built in a way that limits its harm to the environment. Green building can also refer to the principles and guidelines builders and architects use in making such buildings. Green buildings typically use energy, land, and water more efficiently than do other buildings and pro
16、duce less waste and pollution. Their builders often choose materials that are recycled, that are made using few toxic chemicals, or that can be obtained from nature sustainably that is, without causing lasting damage. The construction and operation of a building can harm the environment in many diff
17、erent ways. The makers of green buildings try to reduce a buildings impact in all possible ways. In terms of location, for example, the construction of a,Green building 1,Green building 2,building can disturb or displace wildlife. The maker of a green building might take care to choose a building si
18、te with few wild inhabitants. In terms of energy, designers might lower carbon dioxide emissions by installing solar panels to generate energy, reducing the need for fossil fuels. The roots of the green building movement can be traced to the 1970s. During that time, political disagreements led to a
19、temporary fuel shortage in the United States and Western Europe. The shortage caused many governments to adopt building codes that called for increased energy efficiency. Starting in the 1990s, several organizations established green building guidelines to assist and encourage interested builders an
20、d architects. Government engineers in the United,Green building 3,Kingdom created the first guideline system, the Building Research Establishment Environmental Assessment Method (BREEAM). In 1998, a non-profit organization called the U.S. Green Building Council created the Leadership in Energy and E
21、nvironmental Design (LEED) Green Building Rating System. Buildings that meet LEED guidelines are given awards ranging from Certified, the lowest rating, to Silver, Gold, and Platinum, the highest rating. (from Worldbook 2010),Part IListening 1. Listen to the upcoming short talk and then fill in the
22、blanks in the sentences that follow with two or three words. First getting to know the useful language below might be helpful.,Part IListening 1.1,Useful Language call for要求 carbon footprint碳足迹（二氧化碳排放量） reduce /rIdjus/ vt. 减少 urbanization /bnaIzeIn/ n.城市化 turn a blind eye to 对熟视无睹,1,Useful Language
23、extreme weather极端天气 activity /ktIvtI/ n. 活动 planet /plnIt/ n.星球 up to在于, 取决于 go green要有环保意识，保护环境 for the sake of为了 breathe /bri:T/ vt.呼吸 provide for 为提供,Part IListening 1.2,Both the Beijing Olympics and the Shanghai Expo called for . The problem is that our cities are growing bigger and bigger, and
24、thus . Nothing is than to save our planet.,green life,_,Script:,warmer and warmer,_,more important,_,Part IListening 1.3-script,Script: Hi, everybody, Both the Beijing Olympics and the Shanghai Expo called for “green life.” How about your carbon footprint today? What have you done to reduce it? Chin
25、a is a big country with a large population. As in many other countries, urbanization is growing rapidly in China, which means more and more people are moving to the cities. As a result, the cities are getting bigger, and thus warmer. Today, nobody can turn a blind eye to such things as weather chang
26、e, global warming, sea level rise, and extreme weathers. As you know, such things have much to do with our human activities. So we cant go on like this. Nothing can be more important than to save our planet. This is the only planet on which we live.,Listening1.4,Script: What should we do then? This
27、is a question to all of us. It is up to each and every one of us to “go green.” Lets live a low-carbon life, and reduce our carbon footprint for the sake of our planet and for ourselves. Nobody can give up breathing, drinking and eating. But well have nothing if our planet cannot provide for us.,Lis
28、tening1.5,Hi, everybody, Both the Beijing Olympics and the Shanghai Expo called for “green life.” How about your carbon footprint today? What have you done to 1) ? China is a big country with a large population. As in many other countries, urbanization is 2) in China, which means more and more peopl
29、e are moving to 3) . As a result, the cities are getting bigger, and thus warmer.,2. Listen to the short talk again and fill in the blanks below with the missing words.,reduce it,_,growing rapidly,_,the cities,_,2,Part IListening 2.1,Part IListening 2.2,Today, nobody can 4) to such things as weather
30、 change, 5) , sea level rise, and extreme weathers. As you know, such things have much to do with our human activities. So we cant go on like this. Nothing can be more important than to 6) . This is the only planet on which 7) . What should we do then? This is a question to all of us. It is up to ea
31、ch and every one of us to 8) “ .” Lets live a low-carbon life, and reduce our carbon footprint 9) and for ourselves. Nobody can 10) breathing, drinking and eating. But well have nothing if our planet cannot provide for us.,turn a blind eye,_,global warming,_,save our planet,_,we live,_,go green,_,fo
32、r the,sake of our planet,give up,_,3. In the upcoming conversation, Christine and Charles are talking about a new light source. Listen to them and then decide whether the conversation-based statements below are true or false. First getting to know the following useful language might be helpful.,LED
33、emit /ImIt/ vt. diode /daId/ n. semiconductor /semIkndkt/ n. increasingly /InkrisINlI/ ad. light source,Part IListening 2.3,Useful Language,= light-emitting diode 发光二极管 散发 二极管 半导体 越来越多地 光源,3,remind /rImaInd/ vt. unforgettable /nfgetbl/ a. Thats for sure. electricity /IlektrIstI/ n. switch /swIt/ n.
34、I cant imagine. environment-friendly /InvaIrnmntfrendlI/ a. defnitely /defInItlI/ ad.,Part IListening 2.4,Useful Language,使想起 难忘的 那是毫无疑问的。 电 转变 很难想象。 环保的 明确地，一定,1) 2) 3),T,F,Part IListening 2.5,_,_,Charles says that Expo 2010 Shanghai China is a good example of increasingly used LEDs, a new kind of
35、lighting. Christine found the LEDs at the Expo site wonderful. Both Charles and Christine are already living low-carbon lives with LEDs.,T,_,Script:,Script:,Did you say LED? What do you mean by that? Its the short form for light-emitting diode. I dont get it. Whats that? Well, a LED is a semiconduct
36、or light source. Everywhere, LEDs are increasingly used for lighting. Expo 2010 Shanghai China is a good example. Oh, I see. You just reminded me of my trip to the Expo site. The lights were beautiful that evening. They were colorful and intensely bright. It was a really unforgettable trip. I bet it
37、 was. By the way, do you know how much electricity LEDs can save?,Christine: Charles: Christine: Charles: Christine: Charles:,Part IListening 2.6-script,Part IListening 2.7-script,I cant imagine. But from what you said, I can tell the future of lights relies on LEDs. Yeah, the switch is already happ
38、ening. In time, Im sure their use will be even wider. Youve got to be right. They are really environment-friendly. Thats so important! Yes, they are. We can definitely live a more low-carbon life with them. It sure is a good step in the right direction.,Christine: Charles: Christine: Charles: Christ
39、ine:,4. Listen to the conversation again and then answer the following questions.,It is LED.,_,1) What is the short form for light-emitting diode?,They are increasingly used for lighting.,_,2) What does Charles say about LEDs?,Because the LED lights were beautiful, colorful and bright.,_ _,3) Why do
40、es Christine say that it was a really unforgettable trip to the Expo site?,Part IListening 4.1,4,They can save much electricity.,_,4) What can LEDs save, according to Charles?,They are environment-friendly.,_,5) What is the most important thing about LEDs?,Part IListening 4.2,5. In the upcoming conv
41、ersation, Charles and Christine are talking about the London Case Pavilion. Listen to them, and then answer the questions by choosing the best answer. First getting to know the following useful language might be helpful.,Part IListening 5.1,5,Useful Language,energy efficiency London Case Pavilion /p
42、vIljn/ zero-carbon /zIrkbn/ a. chopstick /tpstIk/ n. dish /dI/ n. pastry /peIstrI/ n.,能效 伦敦案例馆 碳零排放的 筷子 碟，盘 糕点,You are telling me! no wonder message /mesId/ n. just about every You took the words right out of my mouth.,难怪 信息 几乎,你以为我不知道！还要你告诉我！,你把我要讲的话先说出来了；千真万确。,Part IListening 5.2,Useful Language,S
43、cript:,Script:,Speaking of energy efficiency, what was your favorite Shanghai Expo pavilion? I would say the London Case Pavilion. Its a zero-carbon pavilion. I totally agree! When I visited it, I had lunch in the zero-carbon restaurant. Did you? Yes, I did. You know, even the chopsticks and dishes
44、could be eaten right along with the food, because they were made of chocolate and pastry. Youre telling me! No wonder its really zero-carbon!,Charles: Christine: Charles: Christine: Charles: Christine:,Part IListening 5.3-script,Part IListening 5.4-script,Just about every square inch at the Expo sit
45、e sent the same message: live a low-carbon life in every possible way. Thats so true. To have a better city is to have a better life. You took the words right out of my mouth. We cannot talk about a city without talking about its way of life. I know what you mean. And leading a low-carbon life is ke
46、y to bettering our city. Hey, look! So many lights are on, right over our heads in this classroom!,Charles: Christine: Charles: Christine: Charles:,Part IListening 5.5-script,Lets kill them. The light from all these windows is plenty. You kill these. Ill take care of the rest. Ok.,Christine: Charles
47、: Christine:,1) Where are Christine and Charles talking? A) In a zero-carbon restaurant. B) In the London Case Pavilion. C) At the Shanghai Expo. 2) What is said about the London Case Pavilion? A) It is a zero-carbon restaurant. B) It is in the city of London. C). It is the best eating place.,Part I
48、Listening 5.6,D) In their classroom.,D) It emits no carbon.,Part IListening 5.7,3) What did Charles see everywhere at the Expo site? A) An old way of life. B) Different cultures. C) Different shapes. 4) What can we do to better our city, according to Christine? A) Not use chopsticks and dishes. C) Eat in the restaurant. D) Not use lights.,D) Green