根据以下内容回答题：Economists believe that job earnings influence choice of occupation．They acknowledge that people place varying emphasis（1）income，but point out that workers tend to move from one occuDation to another（2）changes in salaries．In 1931，H．F．Clark，an economist，stated that“proper information regarding wages if sufficiently（3）upon people，will lead to correct choice of occupation and correct（4）of people in an occupation，provided barriers to occuDations have been removed．”This means that the supply and demand of．workers have（5）to do with wages，（6）in turn influence people to choose certain careers．However，all barriers to occupations will have to be removed（7）career choices can be（8）by eco-nomics alone．There is little question（9）economic factors have some influence on choice ofan occuDation．But to picture them as the major or most important reason（10）against the soundest of folk wisdom：“Man does not live by bread alone．”

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