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Most worthwhile careers require some kind of specialized training. Ideally, therefore, the choice of an (1) should be made even before the choice of a curriculum in high school. Actually, (2) , most people make several job choices during their working lives, (3) because of economic and industrial changes and partly to improve (4) position. The "one perfect job" does not exist. Young people should (5) enter into a broad flexible training program that will (6) them for a field of work rather than for a single (7) .Unfortunately many young people have to make career plans (8) benefit of help from a competent vocational counselor or psychologist. Knowing (9) about the occupational world, or themselves for that matter, they choose their lifework on a hit-or-miss (10) .Some drift from job to job. Others (11) to work in which they are unhappy and for which they are not fitted.One common mistake is choosing an occupation for (12) real or imagined prestige. Too many high school students-or their parents for them-choose the professional field, (13) both the relatively small proportion of workers in the professions and the extremely high educational and personal (14) . The imagined or real prestige of a profession or a "white collar" job is (15) good reason for choosing it as life’s work. (16) , these occupations are not always well paid. Since a large proportion of jobs are in mechanical and manual work, the (17) of young people should give serious (18) to these fields.Before making an occupational choice, a person should have a general idea of what he wants (19) 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 (20) for financial gain. Each occupational choice has its demands as well as its rewards. 17()

A. majority
B. mass
C. minority
D. multitude

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Most worthwhile careers require some kind of specialized training. Ideally, therefore, the choice of an (1) should be made even before the choice of a curriculum in high school. Actually, (2) , most people make several job choices during their working lives, (3) because of economic and industrial changes and partly to improve (4) position. The "one perfect job" does not exist. Young people should (5) enter into a broad flexible training program that will (6) them for a field of work rather than for a single (7) .Unfortunately many young people have to make career plans (8) benefit of help from a competent vocational counselor or psychologist. Knowing (9) about the occupational world, or themselves for that matter, they choose their lifework on a hit-or-miss (10) .Some drift from job to job. Others (11) to work in which they are unhappy and for which they are not fitted.One common mistake is choosing an occupation for (12) real or imagined prestige. Too many high school students-or their parents for them-choose the professional field, (13) both the relatively small proportion of workers in the professions and the extremely high educational and personal (14) . The imagined or real prestige of a profession or a "white collar" job is (15) good reason for choosing it as life’s work. (16) , these occupations are not always well paid. Since a large proportion of jobs are in mechanical and manual work, the (17) of young people should give serious (18) to these fields.Before making an occupational choice, a person should have a general idea of what he wants (19) 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 (20) for financial gain. Each occupational choice has its demands as well as its rewards. 19()

A. towards
B. against
C. out of
D. without

Most worthwhile careers require some kind of specialized training. Ideally, therefore, the choice of an (1) should be made even before the choice of a curriculum in high school. Actually, (2) , most people make several job choices during their working lives, (3) because of economic and industrial changes and partly to improve (4) position. The "one perfect job" does not exist. Young people should (5) enter into a broad flexible training program that will (6) them for a field of work rather than for a single (7) .Unfortunately many young people have to make career plans (8) benefit of help from a competent vocational counselor or psychologist. Knowing (9) about the occupational world, or themselves for that matter, they choose their lifework on a hit-or-miss (10) .Some drift from job to job. Others (11) to work in which they are unhappy and for which they are not fitted.One common mistake is choosing an occupation for (12) real or imagined prestige. Too many high school students-or their parents for them-choose the professional field, (13) both the relatively small proportion of workers in the professions and the extremely high educational and personal (14) . The imagined or real prestige of a profession or a "white collar" job is (15) good reason for choosing it as life’s work. (16) , these occupations are not always well paid. Since a large proportion of jobs are in mechanical and manual work, the (17) of young people should give serious (18) to these fields.Before making an occupational choice, a person should have a general idea of what he wants (19) 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 (20) for financial gain. Each occupational choice has its demands as well as its rewards. 11()

A. apply
B. appeal
C. stick
D. turn

Just under a year ago, a sharp drop in equatorial Pacific sea-surface temperature indicated the end of the 1997~1998 E1 Nino. Called by someone "the climate event of the century", it was by several measures the strongest on record. (41)______.This is more than simply an academic question: the 1997~1998 E1 Nino severely disrupted global weather patterns and Pacific marine ecosystems, and by one estimate caused $033 billion in damage and cost 23,000 lives worldwide. (42)______.Clearly we have much to learn from this experience.(43)______.Now E1 Nino more generally refers to a warming of the tropical Pacific basin that occurs roughly every three to seven years in association with a weakening of the trade winds. The opposite side of El Nino, La Nina, is characterized by stronger-than-normal trade winds and unusually cold sea-surface temperatures in the tropical Pacific. Both E1 Nino and La Nina are accompanied by swings in atmospheric pressure between the eastern and western Pacific. These swings are known as the Southern Oscillation. These phenomena are collectively referred to as ENSO or E1 Nino/Southern Oscillation.The general mechanisms underlying the ENSO involve large-scale ocean-atmosphere interactions and equatorial ocean dynamics. But each El Nino and La Nina is unique in the combination of its strength, duration and pattern of development. Irregularity in the ENSO cycle can be seen both in the record dating back to the middle of the 19th century, and in other supporting data, such as lake sediments, coral growth rings and tree rings, going back hundreds or even thousands of years. (44)______.Nonetheless, the 1997~1998 E1 Nino was an unusual one. It developed so rapidly that every month between June and December 1997 set a new monthly record high for sea-surface temperatures in the eastern equatorial Pacific. Anomalies (that is, deviations from normal) in December 1997 were the highest ever recorded along the Equator in the eastern Pacific. Moreover, before 1997~ 1998, the previous record-setting E1 Nino occurred in 1982~1983. (45)______.Several factors may have contributed to the strength of the 1997~1998 E1 Nino. One is chaos, which some theories invoke to account for the irregularity of the ENSO cycle. Nonlinear resonances involving ENSO and the seasonal cycle have received special attention, but other chaotic interactions may affect ENSO as well. In 1997~1998, events possibly acted together to produce an extraordinarily strong E1 Nino simply due to the underlying tendency towards chaos in the elimate system.[A] So in principle, it should not be surprising that an unusually strong E1 Nino occurs ever so often.[B] Identifying why it was so strong challenges our understanding of the physical mechanisms responsible for E1 Nino.[C] From that perspective, the strength of the 1997~1998 E1 Nino may be but one manifestation of a linkage between interannual and decadal climate variations in the Pacific.[D] These two "super E1 Ninos" were separated by only 15 years, compared with a typical 30~40 year gap between such events earlier in the 20th century.[E] E1 Nino, Spanish for "the child" (and specifically the Christ child), is the name Peruvian fisherman gave to coastal sea-temperature warnings that first appeared around Christmas time.[F] There were warnings of a coming E1 Nino before it occurred. But although many computer forecast models predicted that 1997 would be warm in the tropical Pacific up to three seasons in advance, none predicted the rapid development or ultimate intensity of the event before it began.[G] In association with the Pacific Decadal Oscillation, sea-surface temperatures have generally been higher in the tropical Pacific from the Mid-1970s. Since then, there have been more E1 Ninos than La Ninas. 45

Most worthwhile careers require some kind of specialized training. Ideally, therefore, the choice of an (1) should be made even before the choice of a curriculum in high school. Actually, (2) , most people make several job choices during their working lives, (3) because of economic and industrial changes and partly to improve (4) position. The "one perfect job" does not exist. Young people should (5) enter into a broad flexible training program that will (6) them for a field of work rather than for a single (7) .Unfortunately many young people have to make career plans (8) benefit of help from a competent vocational counselor or psychologist. Knowing (9) about the occupational world, or themselves for that matter, they choose their lifework on a hit-or-miss (10) .Some drift from job to job. Others (11) to work in which they are unhappy and for which they are not fitted.One common mistake is choosing an occupation for (12) real or imagined prestige. Too many high school students-or their parents for them-choose the professional field, (13) both the relatively small proportion of workers in the professions and the extremely high educational and personal (14) . The imagined or real prestige of a profession or a "white collar" job is (15) good reason for choosing it as life’s work. (16) , these occupations are not always well paid. Since a large proportion of jobs are in mechanical and manual work, the (17) of young people should give serious (18) to these fields.Before making an occupational choice, a person should have a general idea of what he wants (19) 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 (20) for financial gain. Each occupational choice has its demands as well as its rewards. 13()

A. concerning
B. following
C. considering
D. disregarding

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