3 Part One. The Predicate

Lesson 27
GRAMATIKA: Инфинитив и инфинитивный оборот в функции опре­

деления. Придаточное предложение в функции определения.

Section I

Ex. 1. Practise your reading.

It is often true that the most common concepts We use are the most difficult to define prcciscly.
Ex. 2. State what parts of speech the following words belong to:

solution, solute, solvent, soluble, solubility, solubilization, dissolve, dissolvable, dissolution, insoluble, solvation

Ex. 3. Define the meanings of the word eitherin the following sentences:

1 .Eitherof these techniques may be used at high temperatures. 2. There are substances that cannot be clcarly classified eitheras solutions or as mixtures. 3. A solution of soap in water has properties and composition which might be described as eitherinhomogeneous or homogeneous depending on the experiment We do. 4. Chlorine does not bum eitherin air or in pure oxygen. 5. Eitherof the elements of Group IA o f the periodic tabic has a single electron in the outermost level. 6. This is a very useful reference book, I wish 1 had it in my library. — I haven’t got it either.7. There are three journals on the table, you may take eitherof them.

Ex. 4. Analyse the following sentence:

One must know the purity of a chemical to be used in the reaction.

Text 27 A