懂你英语L3 UnitWord格式文档下载.docx

1、Unit 3-1 vocabularyLizard 蜥蜴Mammals are covered by hair or fur, have a backbone and warm-blooded. All mammals produce milk for the young. Reptiles are covered by s, includes snakes, lizards and turtles. Reptiles have a backbone and are cold-blooded, which means they often rely on the external resour

2、ces of heat. Birds are covered by feather and are warm blooded. Most of the birds can fly and many types of bird migrate great distances. Most insects such ants and bees have a small 3 parts body with 3 pairs of legs. Some insects, such as mosquitoes, spread diseases that cause the deaths of many hu

3、mans. Unlike animals, plants get the energy that they need from the sun. Plants convert light energy along with carbon and water into chemical energy. Scales and rulers are used to measure weight and length. Units of weight includes kilograms and pounds and units of length includes centimeters and i

4、nches. These instruments are used to observe very large and very small objects. Telescopes are used by astronomers and microscopes are used by biologists and doctors. These appliances are used in the kitchens of almost every home. Stoves are used to heat food and refrigerators are used to keep foods

5、 cool or cold. House tools like these, are used to build or repair things. Hammers are used to pound in the nails and screw drivers are used to turn a screw.Mammals include some of the most intelligent animals on earth, such as elephants and human beings.Mosquitoes cause the death of more human than

6、 any other animals. Rulers are used to measure lengthWe can use a telescope to see objects that are far way. Unit 3-1 dialogueDo you know what date is it today?What do you mean, its the special day?Oh, so you dont remember. Remember what? Whats the special?Its our anniversary. We started dating a ye

7、ar ago today. Oh, really. Sorry. Just a minute, what do you think this is. Oh, its a necklace. Do you like it?Yes, I do. Its lovely. Especially the red heart. May I put it on?No, let me do it. So you did remember. Of course I remember. Its very special for both of us. I have something for you too. Y

8、ou do?Yes, but you have to wait until later. Oh, I cant wait. Tell me what is it. Can you guess what it is?Could you give me a h?We went there 3 months ago. Oh, you mean Alfredos. Yes, are you excited? You said you really like the food there. Yes, thats true. I also remembered the dessert. Do you?Ye

9、s, but lets not talk about that now. lets now view in the surprise. That restaurant looks nice. Yes, but it looks expensive. Lets go in and look at the menu. Wow, the menu looks great, especially the fish. Yes, it looks good but look at those prices. Lets try somewhere else. Sometime its ok to spend

10、 a little money. Yes, but this price is a bit too high. Dont you think?Yes, they are a bit high. But dont you think it worth? Lets enjoy ourselves. Em, ok, if you put it that way. Lets see if we can take the table. Ive got you have a credit card. I sure hope the food is good. Stop worrying, lets jus

11、t enjoy.Unit 3-2 ListeningQuick serve is a home repair company. It provides quick, reliable repair services to homes. Quick serve handles plumbing and electrical issues 24 hours a day. It also cleans the roofs, fixes internet connections and replaces broken windows. For a small fee, customers subscr

12、ibe to the service. Its main customers are elders, which means older people. Whenever customers have problems, they can call for help. There is also small charge for each service call. The company was established 5 years ago and is growing rapidly. It started in 1 city but its now in 5 cites. The co

13、mpany plans to expand to 10 cities within the next 24 months. In each city, there is small central office in a low rent area of the city. The central office handles the businesses, advertising, payroll and billing. It also takes calls by customer either online or by telephone. It takes call 24 hours

14、 a day, 7 days a week. 60% of the companys employees work from their homes. When a customer calls into the central office, a service employee is contacted it. The service employee then contacts customer and sets up an employment. These employees are highly trained and provide excellent services. In

15、emergencies, such as a serious plumbing problem, service can be provided within an hour. One reason for this is that the service employees live in different parts of the country. They are not central located so its quick and easy for they to travel to customers home. Quick serve has an excellent rep

16、utation. Its prices are reasonable and it services are quick and efficient. The companys service employees are clean, polite and efficient. In this type of business, person to person contact is the key to success. With each satisfied customer, more customers subscribe. Satisfied customers recommend

17、quick serve to their friends. This kind of word-of-mouth advertising is very cost effective. Cost effect means that the results are good without paying a high price. In other word, quality service provides its own rewards to the company. The company take great pride in being honest with the customer

18、s. There are no hidden charges for their services. As a result, the number of customers in each city is growing rapidly. With the aging population, there are more elderly people who need home repair services. These people need to have confidence in the service provider. They dont want to cheated. Th

19、ese people dont mind paying a reasonable fee for high quality service. High quality services should be rewarded. The company provides a range of service plans, each with a different subscription price. The least expensive service plan is called the basic plan. This plan provides non-emergency servic

20、e with a very low service charge. The most expensive services plan is their VIP plan. The VIP plan provides emergency services 24 hours a day with no additional service charge. It also provides rebates for customers who dont call for any service during the year. In addition, quick serve gives bonus

21、points to customers for each year they subscribe. These bonuses can be used to buy new appliances such as stoves and refrigerators. If the business continues to grow, the owners may decide to take the company to public. This means that the public can buy shares of the company. It would then change f

22、rom private-owned company to a public company. The owners believe that their business is successful and can expand around world. They also believe that taking their company public can make them rich. Unit 3-2 vocabularyBiology is study of life, including its structure and evolution. Biology study ho

23、w life survives and reproduces. Chemistry is the study of matter, including the structure of its atoms and molecules. Chemists study how various substances interact with each other.Astronomy is one of the oldest sciences. Astronomers study the structure and evolution of the universe, including the study of stars, planets and galaxies. Geologies is the study of structure of history of the earth and other planets. Geologist study different types of rocks, earthquakes and different layers of the earth. Mathematics is the study of numbers, shapes, patterns and change. Math