Метод обміну іонів в аналітичній хімії.

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

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

План заняття

І. Організаційний момент. Привітання

ІІ. Читання тексту “I on exchange methods inanalytical chemistry ” з підручника В.Е. Коваленко «English»

Звертаючи увагу на наступні вирази : by “ ion exchange” we mean, of like sign, for such exchange to be possible

ІІІ. Формування граматичних навичок

EXERCISES

1 .Translate into Ukrainian.

A:1.The gates are being painted. 2.The car is being polished. 3.My TV is being repaired. 4.His suit is being dry-cleaned. 5.The gates aren’t being mended. They are being painted. 6.They are being introduced to Mr. Brown. 7.Is the fence being painted? 8.Are you being worried by that man? 9.Is your house being built yet? 10.Why isn’t your radio being repaired? B:1.The big bridge across the Seim was being built when I came to my native town. 2.When I arrived home last night, the dinner was not being cooked. 3.While I was being introduced to Mary, the telephone rang. 4.Was John being introduced to Mr. Brown when you saw him? 5.The meeting was being held from 6 till 8 o’clock last Monday. 6.The exhibition was being prepared by our firm the whole month. 7.Those goods were being exported to all European countries during the whole summer. 8.Was the new school still being built when you visited your native village?

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

1.He could not do a thing when he knew he ______ being watched. 2.Close the door

please, little Jane ______ being washed. 3.The boys watched how the car was _____

cleaned. 4.His speech is ______ translated for the foreign guests. 5.When I came

back home a new school ____ being built.

3.Make the following sentences interrogative and negative.

1.The office is being cleaned at the moment. 2.The shirts were being ironed when the

actors came. 3.The roof is being repaired. 4.The trees are being cut down. 5.Ben was

being invited to the party by Jane when I came to them.

4. Complete the following sentences using the Past Continuous Tense.

M O D E L: When I came to this town three years ago, this bridge across the

Volga was still being built.

1.I haven’t been to the show but I was present when the best photos (choose). 2.When

I left the Institute I didn’t know yet the marks the students had got because their

papers (look through). 3.When I was a worker at this factory this work still (do) by

hand. 4.Just this very question (discuss) when I joined in the conversation. 5.He

entered the hall in the dark and didn’t understand at first what film (show). 6.She had

the feeling that she (watch).

5. Choose the right form of the verb to make the sentences complete.

A. 1.Such long bridges seldom (are built/are being built). 2.Excuse the mess. The

house (is painted/is being painted). 3.I can’t give you the articles now. They (are

translated/are being translated). 4.Room 47 is not ready yet. It (is cleaned/is being

cleaned). 5.Such books (are not translated/are not being translated) easily. 6.At the

moment a new road (is built/is being built) round the city. 7.We are expecting guests.

Tables (are laid/are being laid).

B. 1.John said they couldn’t take photos. The camera (was repaired/was being

repaired). 2.When they arrived home the walls of the dining room (were

painted/were being painted). 3.We couldn’t get inside. The floors (were washed/were

being washed). 4.Computer games (were not played/were not being played) when I

was your age. 5.When Mr.Brown phoned, the article still (was translated/was being translated). 6.When I lived in Germany, newspapers (were brought/were being

brought) to us early in the morning. 7.I entered the hotel at 8. Everybody was busy.

Rooms (were prepared/were being prepared) for the arriving guests.

6. Use the verbs in bold type in the Passive Voice. Make all necessary changes.

1.They are making a lot of experiments in their laboratory now. 2.He was sure that

somebody was following him. 3.Everybody is still laughing at his jokes. 4.We

couldn’t give him the daily program, we were still working it out. 5.Are they still

painting tea cups by hand? 6.What are they selling in this little shop? 7.What

happened? Why was a crowd of people pushing the car? 8.She felt they were

looking at her.

7.Use the words in brackets in Indefinite or Continuous Passive to complete the

sentences.

1.I can’t use my office at the moment. It is being painted (paint).

2.We didn’t go to the party. We _______ (not/invite).

3.The washing machine ______ (repair) yesterday afternoon.

4.A factory is a place where things ______ (make).

5.A: ______ (the computer / use) at the moment?

B: Yes, Jim is using it.

6.How old are these houses? When _____ (they/build) ?

8.Translate into English.

1.Коли я приїхав до цього міста, цей театр будувався. 2.Це питання зараз

обговорюється на зборах. 3.Його слухали з такою цікавістю, що ніхто не

помітив, як я увійшов до кімнати. 4.Що будується на тому боці річки? 5.Я довго

не міг зрозуміти, чому над ним сміялися. 6.У нього було таке відчуття, ніби за

ним хтось іде. 7.Що пояснювали групі, коли ви до них приєдналися? 8.Не

заходьте без запрошення, в залі обговорюють дуже важливе питання. 9.–Що

там так обговорюють? – Здається, вчорашній фільм. 10.Завтра об одинадцятій

годині будуть виконувати вашу улюблену пісню. 11.-Коли було видано цю

книжку? – Її було видано в минулому місяці. Вона широко обговорюється зараз

у пресі. 12.Листи відправлялися поштою учора в цей час.

Домашнє завдання :вивчити нові слова з тексту “Ionexchangemethodsinanalyticalchemistry ”