Soluzioni Unit 4

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Soluzioni degli esercizi del libro

Unit

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Text and dialogue – page 39 1. At 8 o’ clock

2. How to build a veneer crown 3. Hard golden alloy

4. For their aesthetic and functional properties 5. An anatomical portion of the tooth

6. It’s ready to receive an artificial crown 7. To keep the resin on the metal 8. Yes, they are

9. No, they are of wax

10. Because he’s late for his next lesson

Practice – pages 45 and 46

Exercise 1 1. Tom is giving me the drill - 2. I’m building you a crown veneer - 3. You are passing the technician a ca- sting-ring - 4. Tom is explaining Math to me - 5. We say hello to him every morning - 6. They introduced the doctor to me - 7. He is giving a book to a friend

Exercise 2 1. a. - 2. b. - 3. a. - 4. a. - 5. a. - 6. a. - 7. a. - 8. b.

Exercise 3 1. him - 2. it - 3. her - 4. it - 5. it - 6. him - 7. them - 8. them

Exercise 4 1. These cakes are delicious - 2. Those students study hard - 3. Those houses are near the mountains - 4. These books belong to Mary - 5. Those cats are very aggressive - 6. Those computers are old - 7. These lessons are very difficult - 8. Those people play the guitar well - 9. These exercises are easy - 10.

These women work in my school Exercise 5 1. them - 2. her - 3. them - 4. him - 5. it

Exercise 6 1. this - 2. These / those - 3. That - 4. This / that - 5. These - 6. That - 7. these - 8. That - 9. Those - 10. this

Exercise 7 1. b. - 2. b. - 3. a. - 4. a. - 5. a.

Exercise 8 1. Tom works for me - 2. The students study with us - 3. The teacher is passing him the tool / The tea- cher gives the tool to him - 4. It is midnight. It is time to go - 5. What is the weather like today? - 6. What time is it? It is midday - 7. Our friends send us a letter once a month - 8. He / She plays ten- nis twice a week - 9. The teacher is explaining a problem to us - 10. We often go to the school by bike - 11. At what time do they usually watch tv?

Exercise 9 Dialogue - Dave: Hello Robert, are these the tools we use in the lab? - Grant: No, these are new tools. Those on the desk are the tools we use in the lab. - Dave: Is the teacher in the classroom? - Grant: No, he is not there. - Dave: What time is it? - Grant: It’s 7.40.You are early this morning. - Dave: Yes. The weather is so nice and I am here by bike. - Grant: With this nice weather I walk to school in the morning. - Dave: There is some time before the lesson. - Grant: You are right! The lesson is at 8.00 o’clock - Dave: Is there time for a cup of coffee? - Grant: Or a muffin? - Dave: Great idea! We are back to school in time for the lesson! - Grant: You are right!

FROM THE SPORT WORLD – page 47

1. Red: 12:57.94 - 26:46.57 - 12:53.11 - 27:30.42 - 13:41.66 - 2. Blue: This - that - 3. it’s three-twenty eight / it’s 28 past three;

it’s three-fifty-six / it’s four to four; it’s seven thirty four / it’s twenty-six to eight; it’s one thirty p.m. / it’s half past one p.m. - 4.

of 8 - 5. at school - 6. 2006 - 7. He wins the European Junior 5000 m title in 2001 - 8. 1:48.69 - 9. in 2006