Сзавдання 1. вибрати з таблиці необхідні за змістом займенники і поставити їх у речення замість крапок: a) it с) its e) that g) which i) every b) they d) their f) her h) those j) this 1) metallurgy is a science that deals with the structure of metals. is based on the laws of physics and chemistry. 2) heat is one of the best known forms of energy. capacity for doing work may be utilized in the melting furnace. 3) matter is simply defined as which occupies space. 4) chemical compounds are substances which are homogeneous throughout masses. 5) the most important chemical reactions for metallurgy are of oxidation and reduction. 6) the quantity of heat in a given piece is indicated by temperature. 7) pellets are the charge for a blast furnace must be of certain quality. 8) a new blast furnace is introduced plant. steel shell will be of about 90 m high. 9) iron is smelted when reaches the hottest part of a blast furnace. завдання 2. зазначте речення, у яких слово “one (ones)” вживається: 1) для вираження підмета; 2) замість згаданого раніше іменника; 3) як числівник. a) iron is one of the most plentiful metals on the earth. b) agglomeration is a treatment of iron ores, both poor and rich ones. c) being a metallurgist one must know the properties of metals and alloys. d) manganese is a constituent of steel. іt is the most important one. e) silver and gold have low oxide stability. they are known as “noble” ones. f) sodium is a very reactive metal. one must know it. g) oxygen is one of the elements widely distributed in nature. завдання з. зазначте номери речень, у яких “that” замінює згаданий раніше іменник. 1) the iron content of the ores is much lower than that of pure hematite. 2) many valuable raw material combinations were discovered in that region. 3) the sinter plant is designed in that part of the city. 4) the capacity of this new shop is much greater than that of an old one. завдання 4. перегляньте текст, після чого заповніть пропуски в нижченаведених реченнях відповідною інформацією. matter is simply defined as that which occupies space. matter is constantly undergoing changes. these are: (i) physical changes which do not affect the composition of matter and (2) chemical changes which do affect its composition. the substances taking part in chemical changes are defined as chemical compounds or elements. chemical compounds are substances which are homogeneous throughout their masses and which cannot be separated by mechanical means. they are combinations of fundamental substances called «elements». elements are those substances which resist all attempts at furtherdecomposition. the elements have been given values based on the relative by combining weight, using hydrogen as a unity, which values are known as atomic weights and which permit the calculations of the weights of reacting substances and the products formed. 1. matter is simply defined as that with осcupies space. 2. physical changes do not affect the composition 3. chemical changes of matter. 4. chemical compounds are homogeneous throughout their masses. 5. elements are which at further decomposition. 132204224. the atomic weights permit of reacting substances and the products formed.

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