题目

   An American educational expert says that a long summer vacation doesn’t make sense in today’s world. This summer, 50 million  41  will spend much time talking online, watching TV, playing video games and 42 older brothers or sisters to take them to the mall. They will also be putting their  43  futures at risk. During  44  of the 20th century, many Americans worked in  45  that did not need a college degree but still 46 a high salary. Also, in the 19th century, there was no air condition. And poor hygiene (卫生) 47  that crowded schools had health risks. Things have changed. For today’s students, academic skills are  48  to future success. Many 49 don’t give kids an American-style summer vacation. They offer no more than seven   50  of vacation. Most American school districts offer up to 13 weeks. To  51  in global marketplace, Americans must be prepared to go up against 52  competitors. Summer vacation also  53  challenges for today’s families. In the 1960s,  54  than 60% of families had a stay-at-home mum. Now, two-thirds of American children live families  55  every adult works. For these families, summer vacation can be more  56  than break. Someone must watch the kids.  But the biggest  57  may be how summer vacation hurts academic achievement. Scientist have found that disadvantaged students lose  58  ground in the summertime. A longer school year can allow time-limited teachers to  59  richer and more imaginative lessons. Schools would have more time for  60  , languages, music and the arts. 41. A. experts                      B. kids                     C. adults               D. parents 42. A. inviting                     B. asking               C. forcing              D. having 43. A. academic                     B. technical                C. controversial        D. uncertain 44. A. many                         B. some                     C. much             D. little 45. A. hospitals                    B. schools              C. factories        D. offices 46. A. desired                      B .offered                  C. saved                D. increased 47. A. meant                    B. affected             C. spread               D. reported 48. A. exit                         B. door                     C. result               D. key 49. A. colleges                     B. districts                C. nations              D. provinces 50. A. days                     B. weeks                    C. months               D. seasons 51. A. exist                    B. explore                  C. escape               D. compete 52. A. professional                 B. wealthy                  C. fortunate            D. international 53. A. causes                       B. solves               C. rescues              D. weakens 54. A. no more                  B. more                     C. not more             D. many more 55. A. which                    B. that                 C. when             D. where 56. A. burden                   B. freedom                  C. pleasure             D. suffering 57. A. achievement              B. regret                   C. problem              D. research 58. A. various                      B. strong               C. important        D. minus 59. A. conduct                      B. develop              C. accept               D. reject 60. A. sports                   B. homework                 C. break            D. lessons 答案：41-45BBACC    46-50BADCB    51-55DDABD    56-60ACCAA

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