English for chemists

Scction III
Ex. 1. Respond to the following using the verbs to listen and to hear.
1.1 didn’t hear what he said, did you? 2. What kind of music do yo like to listen to? 3. It seems to me that somebody is calling me, do you hear? 4 .1 don’t like to listen to die radio and what about you? 5. The tcachcr

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is speaking so quietly, 1 can hardly hear him. 6. Usually, small children like to listen to fair>ialcs before going to bed and what about your sister? 7. The bell is ringing, the lesson is over, but the tcachcr seems not to hear.
Ex. 2. Translate the scntcnccs into English.
1. Кажется, телефон звонит, вы слышите? 2. По-моему, что-то упало, вы слышали? 3. Мои брат может целый вечер слушать класси­ ческую музыку, а я люблю слушать джаз. 4. Здесь очень шумно, я почти ничего не слышу. 5. Лекция довольно интересная, а се почти никто не слушает, б. Он слушает новые записи. Кажется, они ему нравятся. 7. Не слушайте его, он сам не знает, что говорит. 8. Я слы­ шал, наш руководитель уже приехал из Москвы.
Ex. 3. Make up short dialogues according to the model.
Model: — A statement.

— A statement.

— A question.

— An answer.

Example: — I hear some students are engaged in scicntific work.
— And as far as I know, almost eveiy undergraduate docs a more or less serious research.
— Who helps them?

— Their supervisor.

Ex. 4. Give detailed answers to the following questions:
I. What is temperature? 2. In what way can the boiling point of a liquid be determined? 3. What arc the factors that affect the boiling point? 4. What units of pressure are used in chcmistry? 5. What temperature scales do you know?
Ex. 5. Discuss the following topics:

1. 
   The Boiling Point as a Physical Factor.
   

2. 
   Means of Measuring Pressure.
   
3. 
   Temperature Scales.
   

W HAT IS IT?

An instrument for measuring the pressure of the atmosphere.