ГРАММАТИКА: Определение. Прилагательное, местоимение, существительное, наречие в функции определения.
Scction I
Ex. 1. Practise your reading.
The subject of acids and bases led to the development of an interesting scries of theories.
Ex. 2. State what parts of speech the following words belong to:
acid, acidity, acidic, acidatc, acidification, acidificr
Ex. 3. Define the meanings of the word any in the following sentences:
1. Arc there any test-tubes on the table? 2. Any student of chcmistry must know the periodic law. 3. There is not any student in the lab. 4. According to Arrhcnius, any hydroxy compound giving hydroxyl ions in water solution was callcd a base. 5. There arc not any flowers on the windows in our classroom. 6. There arc few objections to this theory, if there arc any. 7. The protonic theory states that a base is any substancc, molcculc, or ion, which acccpts a proton. 8. There is little chancc, if any* for the reaction to be completed bccausc the temperature is too low.
Ex. 4. Analyse the following sentence:
The subject of acids and bases has long been one of the most controversial in chcmistry.