Soluzioni Unit 10

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Soluzioni degli esercizi del libro

Unit

₁₀

Text and dialogue – page 109

1. Tooth carving - 2. Because a lot of students are absent - 3. Because it plays an important role in the construction of pro- sthesis - 4. With interest and accuracy - 5. Carvers, rulers, calipers and micromotors - 6. Wax block or plaster block - 7. Wax or plaster - 8. In order to allow final shaping and smoothing - 9. With a knife or saw - 10. Grant

Practice – pages 116 and 117

Exercise 1 1. Could - 2. couldn’t - 3. can - 4. couldn’t - 5. can - 6. can’t - 7. can’t - 8. could - 9. can - 10. couldn’t Exercise 2 1. must - 2. mustn’t - 3. must - 4. mustn’t - 5. must - 6. must - 7. must - 8. must - 9. mustn’t

Exercise 3 1. ought to - 2. should - 3. must - 4. ought to - 5. should - 6. should - 7. must - 8. must - 9. must - 10. can

Exercise 4 1. don’t have to - 2. can’t - 3. don’t have to - 4. can - 5. shouldn’t - 6. couldn’t - 7. don’t have to - 8. couldn’t - 9. shouldn’t

Exercise 5 1. should - 2. Could - 3. May - 4. May - 5. Could - 6. can’t - 7. Can - 8. Could - 9. Could - 10. Can - 11. May Exercise 6 1. have to - 2. allowed - 3. am not able - 4. permitted - 5. am / able - 6. permitted - 7. allowed - 8. Are /

allowed - 9. is able - 10. have to - 11. don’t have to

Exercise 7 Dialogue - Mary: Hi can you come to the dentist’s with me? - John: I think I can, but why? What’s the mat- ter? - Mary: It’s just a check up. I don’t want to go, but I think it wouldn’t be a good idea. - John: Ok, sure. I can come with you. When do we have to be there? - Mary: My appointment is at 5 p.m. We can leave from here at 4 p.m. - John: Or maybe we could take the car. - Mary: What car? We don’t have a car. - John: My father’s car.

He said I am allowed to drive it in case of emergency. - Mary: This is not exactly an emergency. I don’t think that we should take the car.

Exercise 8 1. I had to go out, so I stopped working - 2. May I ask you a favour? - 3. Could you close the window, please?

- 4. I couldn’t come, so I’ll phone you later - 5. I was permitted to work with them - 6. You mustn’t speak while the teacher is explaining - 7. Tom is able to work for many hours - 8. I can’t find him; he could be abroad - 9.

You could become a good dental technician

FROM THE TECH WORLD – page 119

1. Blue: could - can - can - may - may - may - 2. Red: have to - are able to - 3. They are computerized wristwatch with dif- ferent functionality such as timekeeping, calculations, translations and game-playing - 4. It’s comparable to a real computer - 5. They’re able to run mobile apps - 6. They can retrieve data from internal and external sensors - 7. Bluetooth, Wi-Fi and GPS - 8. A camera, a watch, a GPS navigators, a thermometer, a compass, a calculator, a cell phone, a watch etc. - 9. They can communicate with microphone, iPad, iPhone, laptop, wireless headset, heads-up display, insulin pump - 10. It can have fitness tracking, i.e. tracker features for running, walking and any other form of training