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Grammar Exercise - Modals Complete the sentences by using modals. 1. This is a hospital. You smoke here. 2.1 - speak Arabic fใuently when I was a child and we lived in Morocco. But after we moved back to Canada, had very little exposure to the language and forgot almost everything knew as a child. Now, I -just say a few things in the language. 3. Take an umbrela. It rain later. 4. You - leave small objects lying around. Such objects, be Swallowed by children. 5. Drivers stop when the traffic lights are red. 6. l ask a question? Yes, of course. 7. you speak Italian? No, I 8. If you are ill, you go to see the doctor. have graduated his master's degree last year. 9. Tim 10. Jake got A in every subject. He - have studied very hard.

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02:58 ส. 28 ส.ค. - 93% e docs.google.com ตอบคำถามตามทีโจทย์สัง โปรดอ่านคำสั่งให้ละเอียด เนื่องจากใช้ระบบอัตโนมัติตรวจคำตอบ ทำได้เพียง 1 ครังเท่านั้น คะแนนรวม 12 คะแนน คิดเป็น 3% ของรายวิชา จงเรียงขนาด(รัศมี)ของอะตอมเหล่านี้ (1= เล็กที่สุดและ 4= ใหญ่ที่สุด) * 4 points 1 2 3 4 Phosphorus (P) Sulfur (S) Calcium (Ca) Fluorine (F) จงใช้ทฤษฎี VSEPR บอกรูปร่างทางเรขาคณิตของสารประกอบ nitrogen dioxide (NO2) โดยให้ตอบเป็นชื่อภาษาอังกฤษเท่านั้น * 4 points Your answer หากมีเลขควอนตัมหลัก (n) เป็น 3 จงระบุพารามิเตอร์ต่างๆ ให้ถูกต้องทั้งหมด * 4 points -3 -2 -1 0 1 2 3 เลขควอน ตั้ม โมเมนตัม เชิงมุม (1) เลขควอน ตัมแม่เหล็ก (ml) Back Submit Clear form Never submit passwords through Google Forms. This form was created inside of Khon Kaen University. Report Abuse Google Forms O

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ZR0 CONDITTONAL - CERTAINTY IF/WHEN CONDITION RESULT PRESENT SIMPLE PRESENT SIMPLE If/When you heat butter it melts RESULT IF/WHEN CONDITION PRESENT SIMPLE PRESENT SIMPLE Butter melts If/when you heat it We use the zero conditional when the result of the condition is always true and obvious. Exercise Write the verbs in brackets. Use the ZERO conditional. 1-If it (rain), the streets (get) wet. 2-My mother (get) angry when I (not do) my homework every day. 3- If you (run) too fast, you (get) really exhausted. 4-1 can't (understand) Elizabeth when she (speak) so quickly. 5-If Madeleine (miss) the seven o'clock train, she (be) late for work. 6- When you | (turn on) an electric al appliance, the electricity meter (go) up. 7- My little sister always (cry) when she (be) hungry. 8-When you |(drink) too much alcohol, you sure (get) drunk. It's dangerous. 9-The mountains (get) white when it (snow). 10-If you (don't drink) enough water, yoน (become) dehydrated. 11-You (gain) weigh if you (eat) too much sugar and fried food. 12-When my mother (have) a toothache, she always, (take) an aspirin. 13-If you (mix) red and blue, you, (get) purple. 14-Plants | (die) if they (not get) enough water. 15- If you (break) a leg, it (hurt) and it's very painful. 16- When my friends (tell) me an important secret, I never (tell) it to anyone. 17- You (get) a substantial fine if you (not pay) your taxes. 18- If you (not get) enough vitamins and iron, you| (suffer) from anaemia.

วิชาscience

Fill in the blanks with the given words. reinforced concrete insulators cross-linked ceramics melting Superior polymer polymerization non-biodegradable hard inert plastic composite branched monomer 1. A is a large molecule with many repeating smaller unit of the same kind. 2. A is the smaller unit that joins up repeatedly to form a polymer. 3. is a process in which monomers combine chemically to produce a polymer. 4. There are three types of polymers based on their structures, namely linear polymers, polymers and - polymers. 5. synthetic fiber and synthetic rubber are examples of polymers. 6. Generally, synthetic polymers are to chemicals, thermal and electrical เand light. 7. Synthetic polymers can cause pollution because they are 8. are inorganic non-metallic solids that are heated to become hard. 9. Generally, ceramics are strong, inert to chemicals, good insulator of electricity and heat and have high -point. 10. A material is formed when two or more different substances are combined. 11. The properties of composite materials are more properties of the original components. than the 12. Examples of composite materials are and fiberglass. Chapter 3 555 Materials

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ป:ปจ83 B/s 19:24 น. ค 1% | | - Photo Detail | :ปจ 156 B/s 19:13 น. คณ 2% | pastpercont.p.. morment reach finally fail ) Fill in the blanks with the best vocabulary words. 1. The test ill start in five minutes. Don't _ untill say So. 2. What happened to your shirt? Did you Something on it? It needs to be washed. 3. Sarah says it isn't her her brother is crying. He is hungry and needs to be fed. 4. Jack is tired. He needs to keep walking or else hell never the end of the path. 5. Fm worried. If I don't study more, I will my English class. 6. need a to think about the solution. 7. Lets video games. You lend me Lock & Load, and I"ll give you Grand Prix. 8. | learned my new colleague's name. had been calling him Alan instead of Aaron! Grammar 8 Look at the table. Past perfect contnuous tense describes an action that was in progress before another activity or time in the past. Another action n the pnt Action begins Action ert Past Present Future Present Participle Signal Word (verb + ing) Subject had been She had beern unning before it began to rain. ๐๐๐

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ป:ปจ83 B/s 19:24 น. ค 1% | | - Photo Detail | :ปจ 156 B/s 19:13 น. คณ 2% | pastpercont.p.. morment reach finally fail ) Fill in the blanks with the best vocabulary words. 1. The test ill start in five minutes. Don't _ untill say So. 2. What happened to your shirt? Did you Something on it? It needs to be washed. 3. Sarah says it isn't her her brother is crying. He is hungry and needs to be fed. 4. Jack is tired. He needs to keep walking or else hell never the end of the path. 5. Fm worried. If I don't study more, I will my English class. 6. need a to think about the solution. 7. Lets video games. You lend me Lock & Load, and I"ll give you Grand Prix. 8. | learned my new colleague's name. had been calling him Alan instead of Aaron! Grammar 8 Look at the table. Past perfect contnuous tense describes an action that was in progress before another activity or time in the past. Another action n the pnt Action begins Action ert Past Present Future Present Participle Signal Word (verb + ing) Subject had been She had beern unning before it began to rain. ๐๐๐

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คะแนน 12 คะแนน เวลา 20.30-22.00 น. 3 หน่วยกิต 1. ร้านเครื่องหนังแห่งหนึ่งตัดเย็บกระเป๋าและเข็มขัด โดยมีรายละเอียดดังตาราง ตารางการผลิต วัตถุดิบที่ใช้ สินค้า จำนวนวัตถุดิบที่มี กระเป๋า เข็มขัด หนังแกะ 200 300 1,600 ด้าย 400 200 2,400 เวลา 100 50 400 กำไร/อัน 300 900 จากข้อมูลข้างต้นให้นักศึกษาตอบคำถาม 1.1 เขียนโครงสร้างกำหนดการเชิงเส้น 1.2 หาคำตอบกำหนดการเชิงเส้นด้วยวิธี Graph 2. Max Z = 70X, + 150X2 Subject to 10X, + 20x, < 500 10X, + 10X, < 800 10X, + 30X, < 600 เมื่อ X,X, >0 ให้นักศึกษาแก้ปัญหากำหนดการเชิงเส้นด้วยวิธี Graph

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HN) Exercises (1)You take 200 milligrams of a headache medicine, and after 4 hours, 120 milligrams remain in your system. If the effects of the medicine wear off when less than 80 milligrams remain, when will you need to take a second dose, assuming the anmount of medicine in your system decays exponentially? 13 ส.ค. The half-life of Radium-226 is 1590 years. If a sample initially contains 200 mg. how many milligrams will remain after 1000 years? )The half-life of Fermium-253 is 3 days. If a sample initially contains 100 mg, how many milligrams will remain after 1 week? บ้อ The half-life of Erbium-165 is 10.4 hours. After 24 hours a sample still contains 2 mg. What was the initial mass of the sample, and how much will remain after another 3 days? The half-life of Nobelium-259 is 58 minutes. After 3 hours a sample still contains10 mg. What was the initial mass of the sample, and how much will remain after another 8 hours? (6) A scientist begins with 250 grams of a radioactive substance. After 225 minutes, the sample has decayed to 32 grams. Find the half-life of this substance. A wooden artifact from an archeological dig contains 60 percent of the carbon-14 that is present in living trees. How long ago was the artifact made? (The half-life of carbon-14 is 5730 years.)

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1. What was the optimal temperature for catalase activity? How do you know? 2. What happened to the enzyme activity when the reaction temperature is too hot? Based on what you know about protein structure, how would you explain that result? 3. What was the optimal pH for catalase activity? How do you know? 4. What is the substrate for catalase? What are the products of the reaction? 5. The pH in the stomach is pH 2.0. What do you think the optimum pH is for pepsin, an enzyme that is secreted in the stomach?

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1. What was the optimal temperature for catalase activity? How do yoน know? 2. What happened to the enzyme activity when the reaction temperature is too hot? Based on what you know about protein structure, how would you explain that result? 3. What was the optimal pH for catalase activity? How do you know? 4. What is the substrate for catalase? What are the products of the reaction? 5. The pH in the stomach is pH 2.0. What do you think the optimum pH is for pepsin, an enzyme that is secreted in the stomach?