выполнить. EXERCISE 14. Try to enrich your vocabulary:
a) find words in the text which have the same meanings as the following words:
to contain,to believe,the means,to study ,to get,a kind,to talk,data, various,to be responsible for,a diploma,to want ,to continue
b) find words in the text whose meanings are opposite to the meanings of the following words:
informal, narrow,bad, different,the beginning,old,to give up,small, before