3 Part One. The Predicate

Section III
Ex. 1. Respond to the statements and questions, using the following expressions: I hope so; so it is; it is; it would be wrong to say so; I’m o f thesame opinion.

1. I think We speak too much about water, there are many other interesting liquids. 2. Barium sulphate is insoluble in water. 3. The ocean is an aqueous solution, isn’t it? 4. It was in the ocean that the first living organisms developed. 5. Could We obtain a solution o f quartz? 6. Thus, in conclusion We may say that the term “insoluble" in water is not accurate when We speak about silver chloride. 7. Water is usually called the “universal solvent”. 8. Soon We shall lcam the structure of water and then We shall clcarly understand the nature of its properties.

Ex. 2. Translate the sentences into English.

1. Har xil moddalarning minglab tarkibiy qismlari okean suvida eriydi. - Ha bu shunday. 2. Ehtimol, tirik organizmlar quruqlikka okeanni tark etishidan ancha vaqt oldin bo'lgan. - Men ham shunday deb o'ylayman. 3. Yechimlarning xususiyatlari yaxshi ma'lum va biz ularni tez orada o'rganib chiqamiz. "Umid qilaman." 4. Bariy sulfat bo'lgan moddalar bor, ular suvda erimaydi. - Buni aytish noto'g'ri bo'lar edi, chunki u eriydi, juda oz. 5. Suvning tuzilishi o'ziga xosdir. - Ha. 6. Suvning issiqlik sig'imi juda yuqori. - Ha bu shunday.

Ex. 3. Make up short dialogues according to the model.

Model: — A request

— A clarifying question.

— A statement.

— An answer.

Example: — Could you help me with my homework?

— What is the difficulty?

— 1 can’t understand this rule.

— Г11 try to explain it to you.__________
Ex. 4. Give detailed answers to the following questions:

1. What can you say about water in nature? 2. What is the composition of water? 3. What properties make it a unique liquid? 4. What is the structure of water interesting for?

Ex. 5. Discuss the following topics:

1. The Physical Properties o f Water.

2. The Structure of Water.

3. Water as a Universal Solvent.

WHAT IS IT?

A part of a solution which is present in greater amount.

P a r t F o u r