Most worthwhile careers require some kind of specialized training. Ideally, therefore, the choice of a(n)【C1】______should be made even before the choice of a curriculum in high school. Actually, 【C2】______, most persons make several job choices during their working live, partly 【C3】______economic and industrial changes and partly to improve their positions. The " one perfect job" does not exist. Young people should therefore【C4】______into a broad flexible training program that will fit them for a field of【C5】______rather than for a single job. Unfortunately many young people, knowing little about the occupational world or themselves for that matter, choose their lifework【C6】______a hit-or-miss basis. Some【C7】______from job to job. Others【C8】______to work in which they are unhappy and for which they are not fitted. One common mistake is choosing an occupation for【C9】______real or imagined prestige. Too many high-school students—or their parents—choose the professional field, 【C10】______both the relatively small proportion of work vacancies in the professions and the extremely high educational and personal【C11】______. The imagined or real prestige of a profession or a "white-collar" job is 【C12】______good reason for choosing it as a life’s wore. 【C13】______, these occupations are not always well paid. Since a large proportion of jobs are in mechanical and manual work, the majority of young people should give serious consideration to these fields. Before making an "occupational choice" , a person should have a general idea of what he wants 【C14】______life and how hard he is willing to work to get it. Some people desire social prestige, others intellectual satisfaction. Some want security; others are willing to take 【C15】______for financial gain. Each occupational choice has its demands as well as its rewards. 【C12】