1. What types of economists are there?=There are three categories of economists: business economists, government economists and academic economists. 2. What is common for different types of economists?=Each type of economist applies the economic approach to decision making in a different setting. 3. Where do business economists work?= Business economists work in manufacturing, mining, transportation, communications, banking, insurance, retailing, investment and other types of organizations. They also work in trade associations and consulting organizations. 4. Who hire government economists?=Government economists are hired by federal, state and local governments. 5. What is the qualification for an entry position in federal, state and local governments?=A bachelor’s degree in economics is a good qualification for an entry position. 6. What is compulsory to teach economics at a college level?=In order to teach at college level an economist has to have a Ph.D. in economics.
Present PerfectWe have already published her new novel. The tomatoes haven’t ripened yet. I have only recently sent her an invitation. How many times have you been really angry? Jim has had three car accidents. She has just phoned me. I have already washed the floor. She hasn’t recieved any letters from her father lately. He has written two books this year. I have done a lot of work today. Past Simple1. My father was watching an interesting programme on TV, while I was reading for the examination. 2. We were playing the chess when the telephone rang. 3. My parents were having an unpleasant conversation when I came into their room. 4. Yesterday I was trying to beat the computer at chess all evening. 5. In the zoo the lions were being fed from 8.00 till 8.30 in the morning. 6. While we were having a swim in the lake, Mary was preparing a pleasant surprise for us. 7. When we were playing football, I suddenly broke my leg. 8. My mother was sewing a dress when our plumber knocked at the door. 9. When we were hopelessly losing the match, she gave me a smile. 10. I was writing a newspaper article while my wife was having a rest in the garden. PAST SIMPLE. 1. We graduated from the Institute in 1987. 2. My friend went to England to work for a probationary period three months ago. 3. I was on holiday in Bulgaria two weeks ago. 4. A friend of mine wrote a new operating system two months ago. 5. I was fond of swimming two years ago. 6. Tom forgot to remind me of the forthcoming lecture at Moscow State University yesterday. 7. I ate an apple, drank a glass of lemonade and went to school. 8. I wrote three novels last year. 9. I saw a lion in the zoo yesterday. 10. She was my bride in 1999.
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