วิชา PRE380

2. A chemical company is considering options for eliminating harmless chemical sludge from the following 2 options. (1) Prepare the site for landfilling in the factory. This option requires the initial investment for purchasing the essential equipment 130,000 Baht. Each year there will also be a cost of landfill operation 95,000 baht per year. At the end of its service life of 3 years, the equipment used within the landfill site will have a salvage value of 20,000 baht. (2) Hire a chemical sludge removal contractor to remove sludge. The contract term must be 6 years. The cost of contract to be paid to the contractor are 110,000 Baht a year in year 1-2; 115,000 Baht in year 3; 120,000 Baht in year 4; 125,000 Baht in year 5; and 130,000 Baht in year 6. a) (13 marks) If the company finances the money for this project by borrowing from a bank in which the bank charges interest on loans at the rate of 3.86% per 6 months, compounded every month. Which option should this chemical company choose? b) (5 marks) The company executives believe that the option of establishing a landfilling site within the factory seems to be a more sustainable alternative for the company. If the selection in question a) above did not select the landfilling site option, please suggest how much the initial investment for purchasing the equipment should cost so that the landfill option would be selected (assume the same salvage value of the equipment)?

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A: Choose the correct options. Relative Clauses exercises 2 คลคคารหes iIs the teacher which/ who broke his leg on the field trip. He still can't walk properly. the number 3ปse $ Place is the cafe that/ where worked during the summer holidays. I saved a lot of money. . L0ok That's the guy that/ which cheated in the exam. He still got bad marks though. -าeres the text book where/ that you left at my house. Now you can do your homework. บ0you remember the number of the room which/ where the exam is today? r'm so stressed I can't remember anything. 9. This is the computer which/ where always goes wrong. Someone should fix it. 6. Use the prompts to write sentences with relative clauses. 1. football/ a sport/ is cheap and fun 2. a pupil/ a child/ goes to primary school 3. a tattoo/a picture under your skin/ never disappears 4. Mrs. Kemp/ the teacher/ always gives us lots of homework 5. Oxford/ the city/ has the oldest university in the UK 6. the Japanese/ the people/ invented sushi 7.an architect/ a person/ designs buildings 8. an ice rink/a surface/ yoน can ice skate C: Cross out the relative pronoun where it is not necessary. 1. If Mum can't pick me up from school, I get the bus which stops outside our house. 2. ("ve written down the phone number of the private tutor that my cousin recommended. 3. This is the hospital where was born. It's much bigger now than in the past. 4. Can you buy some apples, some cheese and the eggs that say "organic" on the box? 5. This is the puppy which I chose. Isn't he cute? D: Complete the sentences with relative pronouns. 1. This is the bag | bought on Saturday. lost the MP3 player? we ate lunch last week. you bought? taught us last week. T have my English lessons. 2. Where is the student 3. Take me to the place 4. Can see the new phone 5. This is the teacher 6. That is the classroom

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charming baseball game/ tacos/ people/ biggest city popular Sport Charming and the USA fast food friendly Haka การ1๕6รชาก้า good sense Wellington/. hangi/ of humor performance/ food/delicious capital city traditional food New Zealand traditional dลnce กา Speaking The People and Cultures of English-speaking Countries a. You're falking to your friend about your vacation to Australia. Work in pairs. Student B, Student A, answer Student B's questions about Australia. Choose one of the options below as your "favorite part." Swap roles and repeat. Complete the table with information about Canada. rn to page 108, File 14. 11 Canada What/people like? What/do? people/easygoing, charming Vivid Sydney/ light festival damper/fraditional bread What/eat? Where/stay? Anything else? Sydney/biggest city in Australia Australian rules football/a bit like soccer What/favorite part? b. With your partner, discuss which country you'd like to visit and why. Share with the class. Now you can talk about the people and cultures of Englich onดaling coบntrioก r - 3โayed in N Which i5 Fhe 4

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วcabulary ๑ Adverbs of manner Look at these words. Check the meaning in a dictionary. Listen and repeat. angrily fast badly Carefully carelessly early happily hard late loudly patientiy quietly sadly Word list page 77 slowly wek Complete the sentences with the words in Exercise 1. 1 Hesa good j0urnalist. He writes very well. 2 Shesa hard Worker. She works very 3 He felt Sad for me. He looked at me 4 They were late for the party They arrived 5 Hes very quiet, He speaks. , too. 6 The politicia was angry. He answered the questions . 7 They re slow readers. They read. 8 Hes So careless. He does things - Choose the correct options to complete the text. How to Be a News Anchof

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Exercise 2 กิจกรรมที่2 จงเดิมคำศัพท์ให้ถูกต้อง ACROSS DoWN 3. พho loves something such as 1. someone who controls an office, tearm, of store a sports team 4. something that is usually done 2. to confurm something is true for money or completed someone 6. someone who moes their body to music 5. sommeone tหho controls a group, country, or situation 7. sormething that was not supposed to happen 8. to choose between options

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Explore Look at the text. Then answer the questions below. a Where can you find this kind of text? In a magazine. On the internet. b Whats the title of the text? C Whois the author? Co TEEN home store videos media contacts 0.Comment Tallia Storm *Become a fan Dop star from Sootland The day that changed my life Aosted 08/01/2013 (0.33 ส.1. | Updated 10/03/2013 5 12 6.m. 7th January is a very special day for two reasons. First, it's the birthday of my amazing nanny (were not alowed to call her granny: she hates that), She's 79 years young Second, a year ago, I acted very impulsively. But what did changed my world. | was on holiday in Hawai with my parents and grandparents. In our hotel, my dad had seen Sir Elton John in the lift, and despite loitering in the hotel lobby like a stalker for 24 hours, I didn't see him! The next morning, I spotted his husband, David Furnish, sitting on the other side of the restaurant with Some friends, having breakfast. This was it, I thought. I'Il never forget what my mum said when I asked what she thought of me approaching him with a CD and letter to pass on to Sir Elton. "Well, if you don't ask, you don't get, Tallia." His reaction was amazing and he was so nice. He asked all about my music, what style | sang, where | was from, and he promised to pass it on. Done - that was it. I could do no more (6) We left the hotel and flew home via San Francisco. We were going through security and my phone rang. It was the call that changed my world. Sir Elton John invited me to open his concert in Scotland on 10th June 2012, and told me he thought had one of the best Soul voices he had heard in years! So there you have it. 7th January is a day of blessings; it's a new year for me, it's my nanny's birthday. and it's the day my world changed. Look at the text again and choose the correct options. a The text is O a blog entry. (O an email. b The answer above can be supported by the following: O It shows when it was updated. () Its addressed to one person in particuls O) It has an author. People can leave comments on it. (O Its part of a conversation. The language used is informal. O) Its more similar to an online diary than to a magazine article. ) Its commonly used to express opinio and personal views. C The text is about Othe future. the past. () the present. เESSON 2

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Choose the correct options. |1 called / wvas calling yoน last night. Where were you? 3 Ben Nina I was at home all evening. What time 2 did you call / were yoน calling? At 8o'clock. The phone 3 rang / was ringing for a long time! Ben Nina That's funny. I 4 didn't hear / waรn't hearing it. 5 Did you sleep / Were yoน sleeping? Ben Nina No, I wasn't. I wasn't tired! Ben Then what 6 did you do / were you doing? Nina Ah, I remember. I 7 listened / was listening t0 Some music on my MP3 player.

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2 E31101 3. Put the words in the correct order and the verbs in the correct form. 1. often / go / Mark / to / a party / on Fridays 2. sister / My / not play / instrument / a musical 3. mornings / be / I/tired / always / on Monday 4. go / on Sunday / Susan / alไways / to / the park 5. early / Louise / on Saturday / not / get up / usually 4. Look at the underlined words in the answers and complete the questions. 1. Where do you spend your free time? | spend my free time at home. 2. on Saturdays? Paul goes shopping on Saturdays. 3. เyour homework? | do my homework in the evening. 4. cats? No, he does not. He hates them. 5. up early? Yes, they do. My dad gets up at 6 o'clock and my mum gets up at 6.15. 5. Choose the correct options a, b, c or d. 1. What do you uรually do Sunday afternoon? a. in b. on C. at d. near 2. Come and work at the cafe with me. It is great. We always a good time. a. have b. play C. do d. has 3. Do you พant to shopping with me on Saturday? I need to buy some things for university. a. go to b. go C. goes d. go for a 4. Tim often stay at home at the weekend. He goes out with his friends all the time. a. doesn t b. don't C. isn't d. hasn't 5. Claire : Matt has got a new blog. Annette : Really? What about? a. he writes b. he does write C. does he Write d. has he got