Passage Four-|||-Questions 26 to 30 are based on the following passage:-|||-The kids are hanging out.I pass small bands of once-and future students on my way to work-|||-these summer mornings.-|||-These kids are not old enough for jobs.Nor are they rich enough for camp.They are school-|||-children without school.The calendar(年历)called the school year ran out on them a few weeks-|||-ago.Once looked after by teachers and headmasters,they now appear to be in"self care."-|||-For much of our history,however,Americans framed the school year around the needs of-|||-work and family.In 19th-century cities,schools were open seven or eight hours a day,11months a-|||-year.In rural America,the year was arranged around the growing seasons.Now,only 3 percent of-|||-families follow the agricultural model, but nearly all schools are scheduled as if our children went-|||-home early to milk cows and took months off to work the crops.Now,three quarters of the mothers-|||-of school-age children work,but the calendar is written as if they were home waiting for the school-|||-bus.-|||-The six-hour day,the 180-day school year is regarded as somehow sacred(神圣的).But when-|||-parents work an eight-hour day and a 240-day year,it means something different.It means that many-|||-kids go home to empty houses.It means that,in the summer,they hang out.-|||-"We have a huge mismatch between the school calendar and the realities of family life,"says-|||-educator Dr.Ernest Boyer.-|||-Dr.Boyer is one of many who believe that a radical revision of the school calendar is necessary.-|||-"School,whether we like it or not,is custodial (监管的)and educational.It always has been."-|||-26.In speaking of"once-and future students",the author is referring to __ _.-|||-A)kids too young to take a job-|||-B) school children old enough to take care of themselves-|||-C)kids who cannot afford to go camping-|||-D)school children on summer vacation-|||-27.For a long time in American history, the school year was arranged to meet the needs of __ _.-|||-A)school children-|||-B) working parents-|||-C)farm hands-|||-D)teachers and headmasters-|||-28.By"a huge mismatch between the school calendar and the realities of family life",Dr.Boyer-|||-means the school calendar __-|||-A)is much shorter than parents`working days-|||-B)makes it impossible for parents to live a normal life-|||-C)allows children to hang out instead of helping their parents-|||-D)is set on the agricultural model-|||-29.From the passage we can learn that Dr.Boyer believes school should educate children and-|||-__-|||-A)motivate them-|||-B) entertain them-|||-C)take care of them-|||-D)help their parents-|||-30.The author`s main purpose in writing this passage is to drive home the point that __ _.-|||-A)American children must stop hanging out-|||-B) US kids need more school time-|||-C)the advantages of a longer school year outweigh its disadvantages-|||-D)parents are not happy about the present school calendar-|||-Directions: There are four passages in this part.Each passage is followed by some questions or-|||-unfinished statements. Fo them there are four choices marked A),B),C)and