A. PROFESSIONALLY B. PROFESSIONAL C. PROFESSOR D. PROFESSIONB. REA...

21. A. professionally B. professional C. professor D. professionB. Read the passage and choose the best answer for each question.Twenty years ago people realized that computers were about to become part of our daily lives.This short period of time has seen enormous changes in business, education and publicadministration. Jobs which took weeks to complete in the past are now carried out in minutes. Clerkswho spent all day copying and checking calculations are now freed from these tedious tasks. Inoffices, the soft hum and clicking of word processors have replaced the clatters of typewriters.Schoolchildren have become as familiar with hardware and software as their parents used to be withpencils and exercise books. Computerization of public records has enable government departments toanalyze the need of citizens in detail. Some of us may wonder, however, whether life has reallyimproved as a result of these changes. Many jobs disappeared, for example, when intelligentmachines took over the work. Employers complain that clerical staff has become dependant oncalculators and can not do simple arithmetic. There are fears that governments haven’t done enoughto ensure that personal information held on computers is really kept secret. Certainly, many peoplemay not be wondering whether the spread of computers has brought us as many problems as it hassolved.