3 Part One. The Predicate

Section III

Ex. 1. Think of the situations with the following expressions. Mind the difference in the word-order.

Here is the pen.(Вот ручка.) Here it is.(Вот она.)

Here are the books.(Вот книги.) Here they are.(Вот они!)

Example: — Give me your copy-book, please. (Дай мне тетрадь, пожалуйста.)

— Here you are. / Here it is. (Пожалуйста.)

Ex. 2. Translate the following questions or requests and react to them. Use expressions from exercise 1.

1. Iltimos, menga kitobingizni bering. 2. Probirkalar qayerda? 3. Iltimos, menga lug'atlaringizni bering. 4. Umumiy kimyo laboratoriyasi qayerda? 5. Kutubxonani qayerda ekanligini bilasizmi? 6. Iltimos, stolga chiroq qo'ying. 7. Hisob-kitoblaringizni ko'rishga ijozat bering. 8. Oxirgi tahlil natijalari qayerda? 9. Iltimos, menga tarix darsligini bering. 10. Iltimos, tarjimangizni ko'rsating

Ex. 3. Маke up sentences or short stories with the following words:

1) seldom, mineral, indium, occur, 0.1 per cent, quantity; 2) form, compound, indium, various, most, be, they, water, soluble; 3) can, ore, several, indium, extract, method; 4) react, indium, nitric acid, reaction, possible, concentrated, two, be, sulphuric acid

Ex. 4. Give detailed answers to the following questions:

1. Why wasn’t indium used commercially before 1934? 2. What methods of extracting indium from its ores do you know? 3. What compounds can indium form? 4. In what way does indium react with acids?5. What are the main uses of indium?

Ex. 5. Discuss the following topics:

1. The Occurrence of Indium.

2. The Properties of Indium.

3. The Uses of Indium.

DO YOU KNOW THAT...

In 1863 Reich and Richtcr, in an eflort to trace thallium in zinc blende observed two new blue lines in the spectrum. The zinc blende had been roasted to remove most of the arsenic and sulphur. The residue had been dissolved with hydrochloric acid and evaporated to dryness. This residue of crude zinc chloridc was submitted to a spectrum analysis. They discovered the new element, indium, so named from its characteristic blue lines.

Ex. 3. Маke up sentences or short stories with the following words: