Most worthwhile careers require some kind of specialized training Ideally, therefore, the choice of an 【21】______ should be made even before the choice of a curriculum in high school. Actually, 【22】______ , most people make several job choices during their working lives, 【23】______ because of economic and industrial changes and partly to improve 【24】______ position. The 'one perfect job' does not exist. Young people should 【25】______ enter into a broad flexible training program that will 【26】______ them for a field of work rather than for a single 【27】______ Unfortunately many young people have to make career plans 【28】______ benefit of help from a 【29】______ vocational counselor or psychologist. Knowing 【30】______ about the occupational world, or themselves for that matter, they choose their lifework on a Mt-or-miss 【31】______ . Some drift from job to job. Others 【32】______ to work in which they are unhappy and 【33】______ which they are not fitted. One common mistake is choosing an occupation for its real or imagined prestige. Too many high-school students—or their parents for them—choose the professional field, 【34】______ both the relatively small proportion of workers in the professions and the extremely high educational and personal 【35】______ . The imagined or real prestige of a profession or a 'white-collar' job is 【36】______ good reason for choosing it as life's work. 【37】______ , these occupations are not always well paid. 【38】______ a large proportion of jobs are in mechanical and manual work, the 【39】______ of young people should give serious 【40】______ to these fields. 【21】