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Тема 20. Використання кварцу у природі.

Мета: удосконалювати навички студентів правильно використовувати нову професійну лексику; розвивати логічне мислення; виховувати культуру мовлення. Удосконалення граматичних навичок вживання пасивного стану в часах групи Perfect

Обладнання: малюнки до теми, роздруківки текстів для читання та завдань, словники.

План заняття

І Організаційний момент. Привітання

ІІ. Читання тексту “Silica in life ” з підручника В.Е. Коваленко «English»

ІІІ. Формування граматичних навичок

 

EXERCISE 1Change the following sentences into the Passive Voice.

Example: They have already brought the medicine. — The medicine has already been brought.

 

1. You have repaired our house lately. 2. When the fire brigade came, the fire had destroyed the building. 3. The athlete has shown much better results since this coach trains him, 4.1 will have answered all the business letters by noon. 5. The president of the board has signed the document. 6. Is she washing the floor? — No, she has already washed it. 1, By his arrival they had repaired his car. 8. He has booked the tickets and the clerk will have brought them by 2 o'clock. 9. They had painted the house by his arrival. 10. The police haven't found the reason for the accident yet. 11. Have you touched anything here? 12, The sociologist has interviewed a lot of students.13. Have they tested all the machines? 14. The flood has caused considerable damage, 15. John will have received the papers by tomorrow.

 

EXERCISE 2 Open the brackets and use the verb in the appropriate form of the Passive Voice

 

1, The first draft resolution (not discuss) yesterday; it (withdraw) long before the beginning of the meeting. 2. He is not in town; he (send) on a special mission, 3. Don't come into the compartment; the berth (fix) now. 4. A new underground line (construct) now. They say one of its stations (build) in my street. 5. He wants to know when the final decision (take). The activities of the committee and their delays already much (speak) about. 6. It was three o'clock. We (tell) to hurry up because we (wait). 7. Do you believe that such a problem can (solve)? 8. It must (do) without delays. 9. On September 9, 1850, California (admit) to the Union as the thirty-first state. 10. Don't speak in a loud voice: we (listen). 11. The plan (approve)? — No, it (discuss) now. — How long it (discuss)? 12. By the time he arrives everything (settle). 13. Not all the necessary things (buy) for our trip that's why the departure (postpone). 14. The money (lend) to him two months ago, but it (not give) back yet. 15. The business day was in high gear: the mail (look) through, documents (type), letters (answer), talks (hold). 16. Wait a minute. The table (lay). 17. Dynamite (invent) by Alfred Bernhard Nobel. 18. This exercise may (write) with a pencil. 19. This work (do) before you went to Poltava? 20. If you (ask) about it, will you be able to answer?

 

 

EXERCISE 3Find and correct the mistakes if any,

 

1, Don't bring the article today. It will be being typed only tomorrow. 2. The South Pole was discovered by Amundsen in 1912, 3. The book which was written last month is discussing a lot. It has been written a lot of articles about. 4. When I came, an experiment was been holding in the lab. 5. Do you know that this house was belonged to Mr. Brown? 6. What new buildings have been built in your town since I was there? 7. The building was collapsed during the earthquake. 8. Have you seen him? Has he been changed much? 9. Do you know that you are following? 10.1 hope this journal can find at the library.

 

 

EXERCISES

1. Supply the missing part of the analytical form of the verb in the Passive Voice.

1.A lot of houses _____ been built in our town this year. 2.Don’t close the window. It

has just ____ opened. 3.The next morning when I came out, I saw that the streets

____ been washed out by rain. 4.I didn’t know that he hadn’t ____ invited. 5.The

construction of the bridge ____ not been finished before winter came. 6.His parents

____ been married five years when he was born. 7.How long has this stadium ____

built? 8.He went away last year and he ___ not ___ heard of ever since.

 

2. Open the brackets, using the Passive Voice.

1.He knew that his mistake (not/discover). 2.She didn’t follow the advice she (give).

3.When she returned, the subject of the conversation already (change). 4.Everybody

(send) an invitation? 5.I didn’t know that the letter (lose). 6.He said he had never

been there but he often (tell) about this place. 7.All the books from the library

(return) by the end of the term. 8.When we came to the cinema, all the seats (sell).

 

3. Make these sentences passive.

1.They have published her new book recently. 2.The town council has just opened

our local museum. 3.Their house looks very smart after they have painted it. 4.The

room looks nice. Somebody has cleaned it. 5.She had written the answers to all the

questions long before the end of the lesson. 6.Dinner is ready and hot. Someone has

just cooked it. 7.No one has lived in this house for the last hundred years. 8.Have

they told him about the changes in the time table?

 

4. John had been away from his home city for ten years. When he came back to

Mainfield he saw many changes. Say what John saw using passive structures.

1)they had built a new hospital; 2)they had rebuilt the old library; 3)they had turned

the city centre into a real shopping area; 4)they had opened a new fire station; 5)they

had changed the names of some streets.

 

5. Translate the following sentences, using the Passive Voice.

1.Запрошення не було прийняте, так як воно було отримане занадто пізно.

2.Було обговорено лише три питання, коли ми почули дзвоник. 3.Ця кімната

завжди призначалась (використовувалась) для гостей. 4.Вони заблудились

тому, що їм не показали дорогу. 5.Її щойно забрали в лікарню. 6.Коли приїхав

тато, речі вже були спаковані.

 

Домашнє завдання : вивчити нові слова з тексту “Silica in life ”

 

 

Тема 21. Асбест і тальк.

Мета: удосконалювати навички студентів правильно використовувати нову професійну лексику; розвивати логічне мислення; виховувати культуру мовлення. Удосконалення граматичних навичок вживання пасивного стану в часах групи Perfect

Обладнання: малюнки до теми, роздруківки текстів для читання та завдань, словники.

План заняття

І Організаційний момент. Привітання

ІІ. Читання тексту “Asbestos and talk ” з підручника В.Е. Коваленко «English»

ІІІ. Удосконалення граматичних навичок

 

Відкрийте дужки. Перекладіть речення.

1. Atoms are not (smaller, the smallest) particles, but they are very small. 2. This discovery is (more important, the most important) than the previous one. 3. It is much (easier, the easiest) to make parts of plastics than of metal or wood. 4. This is (better, the best) laboratory in our Institute. 5. Aluminium is (lighter, the lightest) known metal. 6. Hydrogen is (lighter, the lightest) of the elements. 7. Beryllium is (less, the least) active member of the group, and there is a regular increase in activity from metal to metal in the order of increased atomic numbers. 8 (More, the most) characteristic chemical property of hydrogen peroxide is its great oxidizing power.

 

Ex.1 Перекладіть речення.

I. Electrons have been spoken of as moving in orbits about the atomic nucleus. 2. This law is generally spoken of as the Second Law of Thermodynamics. 3. It had already been mentioned that many of the elementary gases couid exist in diatomic molecules. 4. In general the oxidation number may be thought of as an electrical charge of the atom. 5. The results of our work will be discussed at the conference. 6. A base is referred to as a substance that accepts protons from another substance. 7. It has been noted that chlorine dioxide reacts with water. 8. The sodium salt is being manufactured in industrial quantities. 9. This method is being used in our laboratory. 10.' The Institute was being built when we came to this town

Ex. 2 Перекладіть речення.

An atom is the smallest possible particle of any substance. Before, atoms were looked at as the smallest particles that can exist. But now it has been proved that atoms have a complicated internal structure which is composed of particles which are much smaller still. When we say that an atom is the smallest particle of any substance, we mean that atom is the basic unit of a substance.

 

 

Ex. 3 Перекладіть речення.

1. In the dye solution most dyes go into colloidal suspen­sion. 2. In most carbon compounds only one valence bond is held between adjacent carbon atoms. 3. The discovery of steel was one of the most important inventions of man, for it gave him one of the hardest materials. 4. In the atmosphere oxygen is for the most part uncombined. 5. Most of the interior of an atom can be considered as an empty space, similar to that between the planets. 6. Many ions, probably most of them, are hydrated in aqueous solution. 7. The most convenient method was that used by our scientists. 8. The most extensive use of ammonium sulphate is in plant fertilizers. 9. Most of our students take an active part in the preparation for this conference. 10. Unlike most salts the solubility of anhydrous salt decreases with the rise in temperature.

Ex. 4Прочитайте текст передайте його основний зміст

The Nuclei of Atoms

In 1911 the British physicist Ernest Rutherford carried out some experiments which showed that every atom contains, in addition to one or more electrons, another particle, called the nucleus of the atom.

Every nucleus has a positive electric charge. It is very small. It is about as big as an electron. It is very heavy.

There are many different kinds of nuclei. The nuclei of the atoms of one element are different from the nuclei of the atoms of every other element.

 

Домашнє завдання : вивчити нові слова з тексту “Asbestos and talk ”

 

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