She leaves me.I am his wife. You are not a robot.
1. Economists are interested in the problems of factors that affect prices of goods and services and necessary recourses to produce them, as well as sellers' and buyers' behaviour in the market and <span>the relationship between "price system" and "market mechanism"
</span>2. Three main approaches to economics are <span>microeconomics, macroeconomics, and development economics.
3. Specialized areas of economics are </span><span>money economics, international economics, labour economics, industrial economics, agricultural economics, growth economics, mathematical economics, etc.
4. Economists use economic models </span><span>to understand economic problems and make correct predictions
5. </span><span>It is not possible to include all the details in a model because real life is complex and a model is an abstraction from real life.
6. A model usually include essential elements and relationships of a particular economic situation
7. An economists choose the model that predicts the results of a particular phenomenon more accurately
8. It is necessary to collect and study actual data in order to know how accurate a model is</span>
Across:
4) walk
5) tidy
7) go
8)
9)
10) make
down:
1) bed
2) washing
3)
остальное не могу догадаться...простите...
Present Perfect or Present Perfect Continuous or Present Continuous
<span>1. Have you read that newspaper yet? Can I have it? </span>
<span>2. How long have you been cleaning that car? Haven't you finished it yet? </span>
<span>3. How long have you known Rosa? </span>
4. He has been living in Manchester since 1990.
<span>5. She has liked you since she saw you at that party.</span>
<span>6. I'm sorry I'm late. How long have you been waiting?</span>
<span>7. I've played tennis twice this week.</span>
<span>8. It's been raining here all morning. It started at eight.</span>