懂你英語L3-Unit-2

1、Unit 2-1 ListeningMatter is made of atoms and molecules. Water, for example is the H2O molecule. This means that the molecules of water have 3 atoms. A water molecule has 2 Hydrogen atoms and 1 oxygen atom. Substances like sugar, have many atoms in their molecules. A molecule of sugar has many atoms

2、 including carbon, hydrogen and oxygen. Matter is made of molecules such as H20, which is a water molecule. Matter can be one in three states, solid, liquid or gas. Water and ice are in same substance but they are in different states. These states depend on the temperature of a molecule. When we hea

3、t the substance, the molecules move faster and try to take up more space. When we cool substances, the molecules move slowly. When we cool a substance in its freezing point, it becomes a solid. In a solid, the molecules move very little. They positions are almost fixed. To be fixed means that their

4、positions dont change. if we heat the molecules, they move faster and away from each other. The solid begins to melt like an ice cream on a hot day. At a certain temperature, the solid begins to change into liquid. The temperature at which a solid change into liquid depends on the substance. For wat

5、er, the solid begins to change into a liquid when its temperature rises about 0 degree Celsius. For some substances, such as steel, the temperature which it becomes a liquid is much higher. Steel often melts at around 1370. If we continue to heat the liquid, the molecules move even faster. At a cert

6、ain temperature, the liquid begins to change into gas. For water, the liquid begins to change into a gas at 100 degrees Celsius. This is the boiling point of water. Inside the start, such as our sun, the temperature is very high. Everything inside the sun is the gas. According to scientists, there a

7、re over 65 elements inside the sun. these include oxygen and iron. Over 90% of the sun is hydrogen gas. Yesterday, there was an important science test. Lisa, Tom and 20 other classmates took the test. The test is about the states of matter and how they are different. There were 25 questions on the t

8、ext and there had 45 minutes to take it. Here are some of the test result. 2 students got perfect scores. The lowest score was 68 out of 100. The average score was 86.3. 11 students score higher than average. 11 students have below the average scores. Tom missed 2 question on the test so his score w

9、as 92. His score was 8 highest in the class. Lisa missed 2 and a half question so her score is 90. Her score is 10 highest score. Her score is 4 points higher than the average score. Lisa was disappointed with her test results. She studied hard for the test but she still didnt do well. As a result,

10、she plans to study harder for next test. The next test will be in about 2 weeks. Tom was surprised and happy with his results. He didnt study hard so his result was better than he expected. He was also happy that he did better than Lisa did. Unit 2-1 vocabularyShe is screaming because she is very sc

11、ared. Something is chasing her so she is screaming for help. He is shouting because he is angry. When he is really angry, he often shouts like this. She is sleep because she is tired. Last night she didnt get enough sleep so today she didnt get enough energy. Shes cry because shes sad. She got some

12、bad news a few minutes ago. Shes smiling because shes happy. Her boyfriend was just called and he is returning from a long trip. This man is hiking up a mountain trail. He is wearing hiking boots and is carry a pack on his back.This man enjoys cooking. He attends a cooking class once a week. This wo

13、man enjoys gardening. She grows flowers such as roses and vegetables such as tomatoes in her garden. This boy loves playing games. He likes all kinds of games including this video game on his computer. This old couple enjoys traveling. They take several trips a year often to different countries. Uni

14、t 2-1 dialogueOh, there you are finally. Yeah, Im sorry. Why are you so late? You were supposed to be here 30 minutes ago. I got on a wrong subway by mistake. Why didnt you call? I was really worried. I dont have my phone. I left it in the office because I was in such a hurry to get here. Ok, youre

15、here now. we dont have much time. Yes, we will have to hurry. The meeting starts in 15 minutes, right?Yes, it supposed to and everyone gets here on time. Did you read my presentation?Yes, I did. Its good and but its a bit too long. Im afraid there wont be enough time for questions. Do you have any s

16、uggestions?Yes, I do. I think the company introduction can be cut in half. They know what we do. Ok, I wont show the video, its about 2 minutes long. Theres a good idea. The video is on our website and its not that good anyway. Do you have other suggestions?Not, I dont. Im sure you will do the great

17、 job. Are you ready?Yes, Im ready. The meet room is on the 21st floor. OK, lets go. How did you do this yesterday science test?I did better than expected. How about you.I didnt do very well. I expected to do better than I did. What was your score?I got a 90. What about you?I got a 92. I only missed

18、2 questions. So you did better than I did. And I really study for it too. Thats a surprise. You usually do better than I do.Yes, I was careful. I made one really stupid mistake.What was it?I said 90% of the sun is Helium instead of hydrogen. Wow, there was a stupid mistake. What was the average scor

19、e for the class? Do you know?The average score is 86.3 and the lowest is 68. Do you know got the lowest test score?No, I dont. I dont know who got the lowest score. Its probably a secret. Did it anyone get a perfect score?I think Ada and Sanjay both get a perfect score. Yes, they always do well. I w

20、ish I were as smart as they are. Unit 2-2 ListeningIn 6 weeks, Paul is going on a trip. He is going to Japan and China. There are a couple of reasons for the trip. One reason is for business. Hes thinking about starting restaurants in both countries. The other reason was for pleasure. He enjoys trav

21、eling and hed like to visit some friends. Yesterday we went online and made airline reservations. There were plenty of seats on the plane so it was easy. He also got a good discount. Unfortunately, he needs a new passport. His old passport is expiring next week. This is something he didnt expect. Ge

22、tting a new passport will take at least a week. He needs to apply for one right away. Paul also needs a visa to enter China. The last time he went to china was 3 years ago. Getting visa may also take a week or even two. So he doesnt have much time. He needs to hurry. He cant get the visa until he ge

23、ts his new passport. He will have to go to the china consulate in Toronto. Hopefully there wont be any delays. Paul have several friends in each country. One of his best friend lives near the Mount Fuji. His friend lives near a beautiful lake about 3 hours from Tokyo. His friend is a great cook and

24、owns a little restaurant. The restaurant is located on the hill above the lake. It has wonderful view and the food is wonderful. He is looking forward to eating there. Then he will spend the night at his friends house. One way to get to his friends house is to go by train. If he takes the train, his

25、 friend will meet him at the train station. There is a train station about half an hour from his friends house. On the other hand, he may decide to go by car. He can rent a car for few days to see more of the country. He can use a GPS to help him with directions. He doesnt speak Japanese so the dire

26、ctions need to speak in English. In china, Paul has a good friend who lives in Beijing. He studied at the same university in Canada more than 16 years ago. His Chinese friend wants to help Paul with his business. He friends has lots of business experience. His friend can help Paul learn about doing

27、business in china. Paul knows there is a lot to learn. He will need his friends help. While in Beijing, they plan to visit Italian restaurants. They may meet some of the owners too but it isnt certain yet. Most of the owners are Chinese. One or two of them may want to do business with Paul. If he ha

28、s time, he may go to the Great Wall of China. Its a few hours outside of Beijing by car. Altogether, the trip may take 3 or more weeks. Paul still isnt sure how long he will stay in each country. He may spend a week in Japan and 2 weeks in china. He may decide to stay longer. Everything decides on h

29、is friends. He expects to get more information from them in a day or two. Unit 2-2 vocabularyIn basketball, players score points by shooting a ball through a hoop. Each side has 5 players and the game is played in the basketball court. Football is probably the world most popular sport. Each team tri

30、es to score a goal by kicking the ball into a net. Baseball is team sport where each side has 9 players. Baseball players uses back to try to hit the ball on base. Golf is an individual sport where players try to hit the ball into a hole on the ground. The game is played in the golf course with 18 h

31、oles. In boxing, the two boxers stand in boxing ring the and hit each other. Sometimes a boxer, like this one, knocks the other one out. When people fall down, they can break a bone. A broken bone can be very painful. If someone is cut, they will bleed. A knife or a sharp object and can cut someone

32、and cause bleeding. Poisons are very dangerous and can cause death. Some snakes or spiders are poisonous, so be careful. A heart attack can happen very suddenly. If someone has a heart attack, call for an ambulance right away. If you catch a fire, fall to the ground and roll. Getting too close to th

33、e fire can be very dangerous. Unit 2-2 dialogueWhats the matter? You look very tired today. Im tired. I didnt sleep well last night. Bad dream?Yes. Exactly. I had a terrible dream, a real nightmare. So it woke you up. Yes, it woke me up. I was really scared. Ive had those kinds of dreams too. It was

34、 so scared that I was afraid to go back to sleep. Was something chasing you?No, nothing was chasing me but it was falling. I was falling faster and faster and it was dark. I couldnt see or hear anything. Can you remember anything?Yes, I remember now. in my dream, I was screaming but that was no soun

35、d. I thought I was going to die at any second. Wow, that is scary. So what did you do when you woke up?I didnt want to go back to sleep so I checked the news online. Then I played a game. You didnt go back to sleep?Actually, I got so tiredly playing the game that I fell asleep. Well, at least you go

36、t some sleep. Some sleep is better than no sleep. I guess so but Im still tired. I hope I can get through the day. Have a good lunch and then work out in the afternoon. Thanks, Im already feeling a bit better. Hey look, the boss is coming! Look like youre working hard. Hey, whats that awful smell?Th

37、e toilet is broken in the mens bathroom.Wow, I cant work when it smells this bad. I need some fresh air. Ok, lets take a break and go out for a walk. Get your computer and we can work at a coffee shop. Good idea. When do you think it will be cleaned up?A plumber is coming and he should be here soon.

38、 By the time we get back, the smell should be gone. Thats one job that I wouldnt want. I hate to be around bad smells. What about you?Me too. I wouldnt want to be a plumber. There are lots of jobs that I wouldnt want. We can talk about that later. Get your computer and lets get out of here. Unit 2-3

39、 ListeningLast month, Paul was on the trip. He went to Japan and China. There were a couple of reasons for the trip. One reason for the trip was for the business. He wanted to study restaurants in both countries. The other reason was for pleasure. Before leaving on trip, Paul has several problems. F

40、irst, his passport is going to expire. As a result, he needs to apply for a new passport. Second, he needed to get a visa to enter China. In order to apply for a visa, he needed his new passport. He has 6 weeks to get everything done. After applying for new passport, it took 2 weeks to get it. Once

41、he got a passport, he went to the Chinese consulate in Toronto to apply for a visa. he filled up the application form and stand a long line. He was surprised by how many people were applying for visas. It took more than one hour to submit his application. He submitted his application for the visa on

42、 a Friday. A week later, he went back to the consulate to pick up his visa. To his surprise, when he got there, the consulate was closed. The consulate was close because it was a Chinese holiday. Paul was angry at themselves for not checking the consulate website. The its website, the consulate sche

43、dule posted. There was a notice saying that the consulate would be closed that day. As a result, Paul had to come back the next Monday. This was because the consulate is closed on weekends. Finally, he got his visa on Monday and he was ready to go. Another problem with the trip was the travel schedu

44、le. He needed to extend his stay in Japan. One week in Japan was enough. 3 Japanese restaurant owners wanted to meet with him. He needed more time for the meetings a couple of days. And he didnt want to miss staying with a good friend of his. His friend lives near Mount Fuji and owns a great restaur

45、ant. This is one thing Paul didnt want to miss. As a result, he extended his stay in Japan. Instead of staying for just a week, he decided to stay for 10 days. As a result, he had to change the days for staying in China. The meetings in China were delayed by for 3 days. Instead of arriving on the 1s

46、t of the month, he arrived on the 4th. Fortunately, there were no problems with his new schedule in China. However, there were few meetings than he expected. There wasnt much interesting in opening new Italian restaurants. Still, he had one very good meeting. He met a young China restaurants owners

47、who was interested in it. The young already has the restaurant but he wants to improve it. He and Paul liked each other right away. They met twice in Beijing and they are planning to meet again. The young Chinese mans name is Yi. He is planning to come to see Paul. They are going to meet late next w

48、eek at Toronto. Together, they would work on a business plan. Paul is glad that he took the trip. He thinks it was a successful and enjoyable trip. Unit 2-3 vocabularyAmbulances are used for transport injured or sick people to hospital. An ambulances trained medical personnel who can treat injured o

49、r sick people. A wheelchair is for someone who cant walk. Wheelchairs have 4 wheels and are often pushed by people from behind. Fire agencies are used for fight fires. Fire fighter, like this one, often rescues people from burning buildings. Tow truck is used to tow cars. This tow truck is towing a

50、car to a repair shop. Helicopters are used to rescue people from dangerous places. This helicopter is lifting someone from a sinking boat.This tree is blending over because of the strong wind. Its going to be windy for the next few days. Its a very clear night so they can look up and see many stars.

51、 There isnt a single cloud in the sky. Its very cold today so they are wearing very warm clothes. Without warm clothes, they would freeze to death. Its nice to eat ice cream in a hot day. This mother is buying ice cream for her daughter. This old man has to wear glasses to read. Without reading glas

52、ses, they cant see clearly enough to read. Unit 2-3 dialogueHow was Adas job in Beijing? It seems to be going well. I talked with her last night. How much is she getting pay?Im not sure. She said shes earning more but I dont know how much shes getting. Where was she living? Has she found a flat?No,

53、not yet. Shes living with her friend until she can find one of her own. Farther more expensive there and the quality isnt good. Did she say anything else?Her biggest complaint is the air quality. She hates the pollution. On some days, the pollution is so bad that shes afraid to breathe. Yeah, I woul

54、dnt want to live there. Shes hoping it will get better.Im sure it will but it will take time especially with all the cars. She also said shes still looking for a new boyfriend. That shouldnt be difficult. Shes nice and shes good looking. Has she met anyone?No, I dont think so. Shes looking for someo

55、ne on the internet. Maybe she will be lucky. Maybe she will. I think Im going to try that too. Really? What other tries do I have? Its so difficult to meet someone new. I never have anytime. Me too. Im always working. Maybe I will try online dating too. If Im lucky, I may meet someone new, like this

56、 girl friend. Oh, come on. You are joking right? I hope you can find someone better than her. Steve seems happy enough. Yes, but he is blinded by love. You know that. Im sure it will not late for long. As soon as she gets bored, she will find someone else. You may be right. Lets wait and see. Hey, w

57、hat about dinner? Sure, its getting late and maybe Ill be the woman of your dreams. Well, lets take a one night at a time. Lets have some Indian food, ok?Ok, take chicken for me and Im hungry. Unit 2-4 ListeningEarth is where we all live. Its our home in the solar system. There is no other place for

58、 us to live. Earth isnt just any planet. Its a very special place. Its special because we depend on it for many things. Because of its importance, we need to take care of them. We depend on the earth for its air, its water and many of its natural resources. Natural resources such as coal and oil give us energy. Other natural resources we depend on include forests and soil. Forests provide clean air and woods for building houses. Soil