III. That's how we express request and possible replies in English. Study this table.

HOW TO EXPRESS REQUEST AND POSSIBLE REPLIES
Will you … (please)? Would you … (please)? Can you …? Could you (possibly) …?	(Yes), certainly (Yes), of course Oh, sure All right Without any doubt Here you are	Not at all. I'm afraid, not. Sorry, but I can't I'm so sorry, but I can't really. Definitely not.

IV. Complete the dialogues using the expressions from the table above.

1. – How much diesel … … in the fuel tank? –…, … . – Will you bring …, …? – … . – Thanks.

2. – Oleg, is there much … in that bucket? –…, … . There is little … . – Would you bring …, please? – …, I can't. – It's OK. Don't worry.

Language Practice

I. Are you good at substances? Choose the right Russian translation for the English word.

1. carbon a) сера

2. nickel b) водород

3. cast iron c) углерод

4. rubber d) железо

5. copper e) никель

6. sulphur f) каучук

7. iron g) сталь

8. steel h) чугун

9. zinc i) медь

10. hydrogen j) цинк

II. What chemical elements stand for these abbreviations?

Ni, Zn, Fe, Cu, Al, H, S

III. Answer your friend's questions about the quantity of different elements in these substances. Use some, any, no.

Example: nickel / steel – Is there any nickel in this steel? – Yes, there is. There is some nickel in this steel. – No, there is not. There's no nickel in this steel.

carbon / cast iron

aluminium / alloy

copper / bronze

iron / steel

cement / concrete

IV. Build up short dialogues using expressions of request. In your answers use little, a little.

– How much liquid is there in the vessel? – There's little liquid in the vessel. – Could you add some more liquid, please? – Yes, sure. Here you are.

– How much liquid is there in the vessel? – There's a little liquid in the vessel. – Don't add any liquid then. – All right.

oil / diesel fuel

sulphur / petrol

hydrogen / diesel fuel

carbon / petrol

copper / aluminium alloys

air (fuel) / fuel and air mixture

V. Choose the right variant.

1. There is ... zinc in pure iron. a) plenty of b) no c) a little

2. There is ... carbon in carbon steel. a) much b) little c) no

3. There is … sulphur in diesel fuel. a) a lot of b) little c) too much

4. There is too … sand in the bucket. a) a little b) little c) no

5. There is … cement in the concrete. a) plenty of b) a little c) no

6. There is … hydrogen in water. a) a little b) much c) no

VI. A) Study the following examples.

It's a half. It's a quarter. It's a fifth.

a)		b)		c)
d)		e)		f)
	These are three quarters.		It's a tenth.		It's an eighth.

b) Read the following sentences.

Example: a) Put ½ of the cement into the bucket. Put a half of the cement into the bucket.

1. Put ½ of the cement into the bucket.

2. Pour ¼ of the oil out of the tin.

3. Throw ¾ of the water away.

4. Cut off ¹/₁₀ of the plank.

5. Please give me ¹/₅ of the sand.

6. You can use ¹/₈ of the gravel.