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  3. An economist is someone who knows a lot about how goods and wealth are produced and used. Food, for (31), is a kind of goods. Ev

An economist is someone who knows a lot about how goods and wealth are produced and used. Food, for (31), is a kind of goods. Ev

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问题     An economist is someone who knows a lot about how goods and wealth are produced and used. Food, for (31), is a kind of goods. Everyone eats food, but the average person does not think much (32) all the things that must happen before (33) appears on his plate.
    Another example is the paper this article is printed on. (34) started as wood on a tree very far from (35). Men and machines made the wood (36) paper, which had to be packaged and carried (37) trucks and put into stores. At every step in the process people had to be paid for their work; money had to (38) used for buying and repairing the machines, and so on. Of course, everyone (39) had to make (40), too. Even a very simple thing (41) a piece of paper has a long story (42) it. Economists try to understand how all the parts of the long story are related.
    (43) economist learns how to guess (44) will happen in the future, as (45) as goods and prices are concerned. If fruit growers in Florida lose part of their crops (46) of bad weather this month, what will happen to the (47) of oranges in New York two months from (48)? If banks charge higher interest (49) loans to builders, how will that affect the cost of a new home?
    These are just a few of the questions economists learn how to (50). Would you like to be an economist?

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