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1、页眉内容页脚内容UNIT1 Our Earth Track 4-1-1& 4-1-2 Blake: What are you working on, Mary? Mary: Im finishing my paper. Its due tomorrow, Blake. Blake: Whats the topic? Mary: Its about Greenland. Blake: Greenland. Hmmm . . . thats part of Canada, right? Mary: I think you need to study your world geography, Bl
2、ake. Blake: Well, isnt it near Canada? Mary: Yes, its off the coast of northeast Canada, but its part of Denmark. Blake: Oh, I didnt know that. Well, whats your paper about exactly? Mary: In my paper, I answer the question Is Greenland really green? In other words, is Greenland covered by a lot of p
3、lants and trees? Blake: Is it? Mary: What do you think? Blake: Lets see . . . Greenland is in the Arctic Circle-way up north. Its cold, . . . so Is Greenland really green? Id answer probably not. Mary: Youd be correct. Its too cold there. In the north, a lot of the ground is frozen. The summers are
4、short, so only the surface thaws. Blake: That sounds tough. Mary: Its hard for the construction industry. Its not easy to build in Greenland. Blake: It sounds so harsh. Why would anyone want to go there? Mary: There are big mountain ranges on the coasts. Theyre great for hiking and outdoor sports. A
5、nd there are lots of animals there. You can sometimes see whales swimming in the harbors. Blake: That sounds cool! OK,so if its not really a green place, why was it named Greenland? Mary: The first settlers wanted to attract other people. They gave it an attractive name. Track 4-1-3 Bart: So what ex
6、actly did you do over the summer? Gustav: We worked as volunteers at Glacier National Park Bart: Ive never been there. Whats it like? Carolina: Its beautiful. There are mountains and lakes. and, of course, glaciers! Bart: How was the job? Gustav: We had to do a lot of physical work. It was kind of h
7、ard. Carolina:Thats true, but it was exciting, too! We actually saw bears! Bart:Wow! That does sound exciting. Maybe I should apply. Ill need a job next summer. Carolina: Sorry, Bart, but you cant apply to that program. Its a special program for international students. Track 4-1-4 1. Mt. Fuji is rea
8、lly beautiful from far away. When you climb it, its just rocks and dirt . but its really beautiful from far away. 2. Last year I was in San Francisco and I had a chance to drive across the Golden Gate Bridge. What an amazing feat of engineering. It gives you a chance to look through all of San Franc
9、isco and over San Francisco Bay and its just a wonderful chance to see the city. Track 4-1-OL-1&4-1-OL-2 Jay: Come in here, Elise. You should see this show! Elise: What is it? Jay: Its called The Titanic of the Sky. Its about the Hindenburg, a great engineering feat. Elise: The Hindenburg . . . Jay:
10、 You know, that giant zeppelin that crashed in 1934.Thirty-five people died. Elise: Oh yeah, I remember now. It was flying from Germany to the United States. It crashed as it was landing. Jay: Right. Its so funny looking, dont you think? It doesnt look anything like the airplanes we have today. 精品资料
11、 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 1 页，共 14 页 - - - - - - - - - - 页眉内容页脚内容Elise: Thats true. Why would people ride in a zeppelin anyway? It seems so dangerous. Jay: Well, some people called the Hindenburg mans greatest achievement in flight.They thought it was safe, I g
12、uess. Elise: Who rode in it anyway? Jay: Mostly wealthy people. It accommodated between 30 and 40 passengers and crew. One person said it was like a flying hotel. Elise: It sounds pretty great. Jay: Yeah, and it was fast. Thats why people rode it. They wanted to get to their destination faster. Elis
13、e: Why didnt they just take a jet plane? Jay: Elise! You know they didnt have jets back then. Look, in 1934 it took five days to travel from Germany to the U.S. by ship. The zeppelin could do it in half that time.It was speedy. Elise: Well, maybe Ill sit down and watch a little bit. Maybe Ill learn
14、something . . . Track 4-1-OL-3 Jack: I think we should buy a bigger car. Big cars are safer. Kayla: Yes, but on the other hand, they consume more oil. Jack: They also look really cool. Kayla: That s true, but there are some SUVs which are not big but also very beautiful. Jack: And I think big cars a
15、re more fun to drive. Kayla: But then again, its very expensive.Jack: Well, lets get more information about several kinds of cars, okay?Track 4-1-OL-4 My country has two very famous buildings called the Petronas Towers. The buildings are made of glass, steel, and concrete. They were designed by an A
16、merican architect, but he used a Malaysian style. They were finished in 1998, and they were the tallest buildings in the world at that time. Each tower has 88 floors, and is 452 meters high. I really like the Petronas Towers. They show both the modern and the traditional side of my country Track 4-1
17、-OL-5&4-1-OL-6 Modern buildings: We love them, We hate them The world-famous Louvre Museum in Par is is almost 500 years old, and it faced a very modern problem: There simply wasnt enough space for six million visitors each year. In 1989, American architect I.M. Pei designed a striking glass pyramid
18、 in the building s center to be a visitor entrance and shopping arcade. But he also started an angry debate. Some people felt his glass building was a piece of art, like the ones inside the museum. Others said it was just an ugly, modern mistake. Kyoto, Japan, is the countrys ancient capital, and th
19、e heart of its culture. Its railroad station was too small for the millions of visitors. In 1997, the city completed a new station in a huge shopping center, right in the oldest part of the city. Designed by Hiroshi Hara, the building also contains a hotel and department store. Before it was built,
20、critics said that the high, wide, modern building would destroy the citys traditional look. On the other hand, supporters said it would bring new life into the city center.Track 4-1-OL-7&4-1-OL-8 The future building boom? Interviewer: What do you think is the biggest problem facing our cities? Erika
21、: I think its overcrowding. Talk to anyone living in a major metropolitan area and they will say the same thing; Theres no space. Even the suburbs are getting crowded. Interviewer: Well, in some places there simply isnt any land left for building, right? Erika: Yes, thats true, but you have to think
22、 creatively. You cant give up so easily. Interviewer: Think creatively? What do you suggest? Erika: What Im saying is that we can build more structures underground. We can add parking lots,malls, hotels, and even apartment buildings.Theres plenty of space. Interviewer: Isnt it expensive? Erika: Yes,
23、 it can be. In the past building underground has been very expensive. However, we have new technology that will bring the 精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 2 页，共 14 页 - - - - - - - - - - 页眉内容页脚内容cost down. It involves using robots. You dont have to pay robots a sal
24、ary! Interviewer: Isnt building down more dangerous than other kind of construction? Erika: Actually, I think its safer than building skyscrapers, for example. Remember, we already do it. We have subways and underground shopping malls. Im just suggesting we invest in a variety of bigger projects and
25、 that we dig deeper. Interviewer: What would you say to people who doubt your idea? Erika: I can understand their feelings. Whenever theres a new idea, it can cause controversy. But building down is not some kind of impractical idea. It makes sense. There is so much space underground: It can accommo
26、date a lot of traffic, storage, and people. With the new technology we have, wed be crazy not to consider the idea -its the wave of the future! UNIT2 Track 4-2-1&4-2-2 Situation 1 Man: Oh no! Woman: What happened? Man: I cant believe it! I was sending a message and I accidentally clicked on Reply to
27、 All. Woman: So? Man: It was a personal message for my friend, Jerry. I wanted to send it to his e-mail address only. Woman: Oops. Man: Exactly. . Instead I sent it to everyone on the list.How embarrassing! Situation 2 Man: I see you have a new keyboard. Thats nice. Woman: Yes, the company bought me
28、 a new one. Man: Thats good. Woman: Well, actually . I spilled coffee on my old keyboard,and it stopped working. Man:Oh, I see. Woman: Dont tell anyone. Drinking coffee near the computers is not allowed! Situation 3 Woman: Have you finished working on my computer? Man: Yes, I have. Im afraid I dont
29、have good news for you. Woman: Really? Man: Really. The problem is with your hardware. Woman: Oh. What do you suggest? Man: I think you should probably buy a new computer. This one cant be fixed. Woman: Well, I have had it for five years. Its time to replace it, I guess. Track 4-2-3 Lea: I hate writ
30、ing term papers! It takes forever! Steve: Youre lucky, Lea. When I was young. Lea: Oh, Ive heard this story before. Steve: Well, when I was young, we didnt have computers. We used to write our papers on typewriters. Lea: Oh, really? That sounds difficult! Steve: It was, especially because I made a l
31、ot of mistakes. Lea: Did it take a long time? Steve: Yes. Computers are so much faster and easier to use. Track 4-2-4 1.I like the laptop because its very, very thin. Its maybe less than one inch and its about four pounds and I can carry it anywhere I want. 2.My favorite feature of my computer is th
32、e Instant Messenger. The reason for this is that its very affordable, fun and convenient and allows 精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 3 页，共 14 页 - - - - - - - - - - 页眉内容页脚内容me to chat with my friends from all over the world. Track 4-2-OL-1&4-2-OL-2 Pam: Well, Lynn,
33、 I must be going. It was great to see you Lynn: By, Pam. Pam: Whats that?Lynn: Oh thats Ollie.Pam: Ollie:?I didnt know you had a dog!Lynn: Well, we dont really.Pam: What do you mean? Lynn: Come here. Pam: Oh my goodness. Its a robot!Lynn: That s right. Its a dog robot. They call it a “dogbot. ”Pam:
34、How interesting! But its a little strange, dont you think?Lynn: Well, I wanted to get an interactive toy for the kids. They love it. So Im happy.Pam: How much did it cost? Lynn: Dont ask. It wasnt very affordable. Its cheaper than having a real dog, though. We dont ever have to buy dog food! And the
35、 batteries are rechargeable. Juliana: Hey, Henrik. Look. Henrik: What is it, Juliana? Juliana: Whats that guy doing over there?Henrik: Which guy? Juliana: The one over there. Wearing a suit. Hs punching so many buttons on his cell phone.Henrik: Oh, him. Hes probably playing a game.Juliana: Really? H
36、enrik: A lot of people have games on their cell phones. Its really popular here in Finland. They play them everywhere.Juliana: Do you play them, too? Henrik: Yes, I do. Juliana: I only use my phone to make telephone calls. I guess Im old-fashioned. Henrik: I heard that some people play games even at
37、 work. They can play quietly during business meetings. No one knows about it. Juliana: I d like to try it.Henrik: Here, use mine! Track 4-2-OL-3 Penny: Hello. Your Computer World sales department. Ted: Hi, Penny. Its Ted.Penny: Oh, hi, Ted. Whats up?Ted: well, my computer has crashed again. Penny: O
38、h no! Ted: Oh, yes. Thats why Im calling. You know, its five years old. And I need to speak to Scott about getting a new one. Penny: well, youve called at a good time. We have some attractive new models.Ted: Great! Im looking for something affordable. And I want to get something portable this time.
39、Penny: I m sure Scott can help you with that Let s see, he is in a meeting until 3:30. Ill ask him to call you.Ted: No, thats OK. Ill call him after 3:30. Please give him the message.Track 4-2-OL-4 E-mail is my favourite way to communicate. I think it is as fast as a fax machine, and it is as easy a
40、s a cell phone. Of course, e-mail has some problems, too. It isnt as affordable as ordinary mail, because you need a computer and Internet service. And I dont think it is as 精品资料 - - - 欢迎下载 - - - - - - - - - - - 欢迎下载 名师归纳 - - - - - - - - - -第 4 页，共 14 页 - - - - - - - - - - 页眉内容页脚内容reliable as a fax
41、machine. Sometimes e-mail messages get lost. But in my opinion, e-mail is as convenient as a cell phone. I can send a message from my home or office, and my friends can read it when they have time. Track 4-2-OL-5&4-2-OL-6 In todays report, we look at a new technology called pervasive computing.Perva
42、sive computing means putting tiny computers into everyday electronic appliances, such as toasters and microwaves. With pervasive computing, appliances can communicate with their users and with other appliances! Some companies now sell pervasive computing products like a “smart ” toaster. It remember
43、s your favourite kind of toast: light or dark. Companies are designing a “smart ” coffee maker and a “smart ” clock. The coffee maker can measure the water and coffee. It can even put milk in your breakfast coffee and make black coffee in the afternoon. The clock will check the time on other clocks
44、in your house, and give information about other appliances. For example, it can tell you, “Your coffee maker needs more water.”And thats only the beginning. One company is now advertising “Save time phone your washing machine!” engineers are making a “smart ” house. In this house, the lights, heater
45、, and air conditioner change automatically when family members come home. This makes the home comfortable, and it saves a lot of energy. Pervasive computing could change many parts of our daily lives. But do people really want pervasive computing? Do they really need technology everywhere? One compa
46、ny asked people about their opinions on “smart ” appliances. There were surprises. A “smart ” refrigerator can buy more food on the internet, but people didnt want it, because it might make mistakes. “Pervasive computing is as important as a telephone,” says Rebecca Blair, president of InnoTech Corp
47、oration. But some of these products are not useful, or even practical. Companies should learn more about the technology that people really want. Track 4-2-OL-7&4-2-OL-8 Local girl rescued She may have a broken leg, but she cant be happier. Morgan Bailey, 11, is happy to be alive.Tuesday was like any
48、 other day for Morgan. She was at school. It was fourth period, and she was the first student to arrive in the gymnasium for her physical education class. Suddenly there was a loud noise. “There was a sharp cracking noise and then a loud boom. After that, I dont remember anything,” said Morgan.The r
49、oof of the gymnasium had collapsed under the heavy snow. Morgan was trapped underneath. She couldn t escape.“I woke up and there was a big piece of wood on my leg. I couldnt move it. I was starting to get cold.”Fortunately, help was nearby. A new program using “rescue robots” was tried for the first
50、 time.“We were nervous about using the robot,” said Derrick Sneed, the man in charge of the program. “But in the end, the robot gave us reliable information. It went extremely well.”The rescue robot was able to go into the gym and locate Morgans exact position.“We send in robots first because it may