- •Unit 15. Materials Science. Language Work
- •1. Fill in the table:
- •2. Put in the missing words, using the words from the table above:
- •7. The students are at the seminar on metal technology. Listen to their discussion and learn what properties copper has and where it can be used. Insert the appropriate modal verbs.
- •8. That’s how we ask for and give permission in English. Study the table.
- •9. Complete the dialogues using the phrases for asking and giving permission.
- •10. Find words formed from the first word in the line.
- •11. Restore the original sentences.
- •12. Say what these people could do in the past.
- •13. Give advice to your friend in the following situations. Use the modal verb should.
- •14. Use the following statements in the past and future.
- •15. Ask your scientific supervisor to explain what can happen to these engineering materials.
- •16. Your partner is an Instructor in the lab. Ask him if you may perform the following actions. Work in pairs.
- •17. Your friend wanted to do a lot of things at the practical class yesterday. Ask him if he was allowed to do all of them.
- •18. Discuss with your friend which of these things may be done.
- •19. Translate the following sentences from Russian into English.
- •20. Choose as many words from the table оf ex. 1 as you can and form sensible, using Modal Verbs.
- •Specialist Reading
- •If you failed try to answer these questions again after doing the exercises given below the text.
- •Speaking
- •25. Divide into 2 groups. Group 1 translates Extract a and group 2 – extract b of the text “Welding” with a dictionary in writing.
7. The students are at the seminar on metal technology. Listen to their discussion and learn what properties copper has and where it can be used. Insert the appropriate modal verbs.
Professor: Dear students, today we’re going to discuss the main properties and applications of copper. So far, what … you say about this metal?
Alex: If I’m not mistaken, copper is a non-ferrous metal. And it … be found in a free state in nature.
Nick: And as far as I remember, people … to extract this metal in prehistoric times. Various things such as weapons, tools and decorations … be made of it.
Professor: Very good. Were those copper tools very reliable?
Alex: I think not. Pure copper is a soft ductile metal. Strong cutting tools … be made only of copper alloys such as bronze.
Professor: OK. What are the present applications of copper?
Nick: Well, they are numerous. Copper metals … be used in most domestic appliances. Electrical industry is impossible without copper wiring as it is a very good conductor of electricity. Also, copper is corrosion resistant which makes it valuable for marine industry. Besides, this metal is even used in making money!
Professor: You are quite right. Tomorrow we … to study the valuable properties of copper in the practical class.
8. That’s how we ask for and give permission in English. Study the table.
ASKING PERMISSION
Can (may, could) …? Is it all right if …? Do you mind if … + Present Simple Would you mind if … + Past Simple |
GIVING PERMISSION
You can/may if you want/like. Yes, of course. Certainly. Go ahead. By all means. |
9. Complete the dialogues using the phrases for asking and giving permission.
- … I have my practice at the British Steel Works?
- …
- … I observe the steel making process?
- …
- … we study the properties of various types of steels today?
- … Later we’ll discuss … .
- …I use these substances for the experiment?
- …
- … I continue the research?
- …
- … we studied the influence of temperature on the strength of plastics?
- …
10. Find words formed from the first word in the line.
corrode – code, corrosive, charge, conductor
cast – substance, content, casting, steel
require – environment, requirement, refine, tempering
pure – sulphur, powerful, impurity, perform
metal – modern, meat, malleable, non-metal
considerable – carbon, constituent, construction, considerably
complete – competition, completely, tremendous, economical
charge – change, research, discharge, consumer
exhaust – explanation, expensive, efficiency, inexhaustible
11. Restore the original sentences.
was/ allowed/ the/ research/ he/ continue/ to
carbon/ engineer/ content/ the/ of/ increase/ steel/ the/ may/ the
may/ these/ for/ you/ substances/ experiment/ use/ the
cannot/ this/ describe/ experiment/ I/ results/ the/ of/ today
be/ copper/ alloyed/ can/ iron/with.
engineers/ copper/ use/ can/conductors/ electrical/ for/ the
cannot/ this/ difference/ and/ brass/ student/ explain/ the/ between/ bronze
test/ substance/ in/ scientists/ the/ can/ scientists/ use/ samples/ the/ this/ of/ the
must/ Alex/ a/ write/ report/ the/ of/ detailed/ test
compare/ two/ of/ they/ tests/ must/ results/ the