بسم الله الرحمن الرحيم Unit 3 Teachers book Exercises Supplementary Exercises

Unit 3 - Lesson 1 /Quiz 1. The country's greatest is the dedication of its workers. a.Safety b.Element c. resource 2. This university provides you with all the of success. a.Elements b.Profitability c.resources 3. This modern cell phone has many a. efficiency b. facilities c. industries 4. I was working in a management consulting a.Profitability b.Firm c. resource 5. The company needs to return to extremely soon. a.Profitability b.Resource c. facility

Answers: 1. c 2. a 3. b 4. b 5. a

Teachers Book/p.113- part 1 Part 1 Complete each sentence with the correct form of the given verb in the simple present or the present continuous. Example: This company _________________ (manufacture) navigation equipment. 1. Currently, I ___________________ (work) on a design for a new vacuum cleaner. 2. We ___________________ (make) household goods, principally refrigerators and freezers. 3. He works at the power station. He ___________________ (operate) the transmission devices. 4. Right now, we ___________________ (test) a prototype of a new smoke detector. 5. Buckley Inc. ___________________ (specialize) in software programs for designers. 6. At the moment, she ___________________ (analyze) the results of a stress test. 7. He is a civil engineer and he ___________________ (spend) quite a lot of time outdoors.

Answers: 1.Am working 2.Makes 3.Operates 4.Are testing 5.Specializes 6.Is analyzing 7.spends

Unit 3 - Lesson 2 Matching exercise Match the items on the right to the items on the left. 1. generate a. to produce energy in a particular form 2. Produceb. to have someone work or do a job for you and pay them for it 3. employ c. to design and/or create something which has never been made before 4. invent d. to become more varied or different 5. Diversifye. to make something or bring something into existence

Answers: 1. a 2. e 3. b 4. c 5. d

Teachers Book/ p

Answers: 1.B 2.C. 3.A 4.D. 5.B 6.C

Unit 3 - Lesson 4 Matching exercise Match the items on the right to the items on the left. 1.Dissolutiona. the formation of crystals 2. crystallization b. the act of filtering; separating a mixture. 3. filtration c. a process of combining several molecules to form a polymer (a chemical substance consisting of large molecules). 4. polymerization d. the process of boiling a liquid and condensing its vapors. 5. distillation e. the process of going into solution; "the dissolving of salt in water"..

Answers: 1.e 2.a 3.b 4.c 5.d

Teachers Book/ p

Answers: 1.At 2.In 3.About 4.With 5.Of 6.For 7.In 8.Of

Teachers Book/ p.114- part 4

Answers: 1.With 2.At 3.Of 4.For 5.In 6.Of 7.At

Supplementary Activity 1. He is responsible ___________ keeping the whole project within its budget. a.For b. about c. in d.from 2. Candidates for this position must be proficient __________ statistical analysis. a.At b.For c. in d.by 3. Its useful to have some basic knowledge __________ robotics. a.Of b. for c. at d. in 4. I'm not conversant _________ the rules of chess. a. in b. for c. at d. with 5. An engineer should be aware ____________ the workplace safety rules. a.At b.Of c. with d. in

6. My brother is really good solving complicated math problems in his head. a. in b.On c.At d.for 7. She appears to be quite well-versed ___________ the principal chemical processes. a. with b. at c. in d. by 8. We are very excited ___________ the news that the company is expanding its operation. a.At b.For c.To d. about 9. Are you acquainted __________ this new CAD software? a. to b.With c. about d. by 10. We cant do all the experiments we would like to because we are short ________ funding. a. for b. of c. in d. with

Answers: 1. a 2. c 3. a 4. d 5. b 6. c 7. c 8. d 9. b 10. b