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当前，如何加强对人口和计划生育工作是各级政府必须面对的重要课题。请你就如何进一步加强对人口和计划生育工作的领导问题写一篇议论文，题目自拟，要求观点鲜明，论述充分，论证有理。字数控制在1000～1200之间。
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Children who grip their pens too close to the writing point are likely to be at a disadvantage in examinations, (31) to the first serious investigation into the way in which writing technique can dramatically affect educational achievement.The survey of 643 children and adults, ranking from pre-school to 40-plus, also suggests (32) pen-holding techniques have deteriorated sharply over one generation, with teachers now paying far (33) attention to correct pen grip and handwriting style.Stephanie Thomas, a learning support teacher (34) findings have been published, was inspired to investigate this area (35) he noticed that those students who had the most trouble with spelling (36) had a poor pen grip. While Mr. Thomas could not establish a significant statistical link (37) pen-holding style and accuracy in spelling, he (38) find huge differences in technique between the young children and the mature adults, and a definite (39) between near-point gripping and slow, illegible writing.People who (40) their pens at the writing point also show other characteristics (41) inhibit learning, (42) as poor posture, leaning too (43) to the desk, using four fingers to grip the pen (44) than three, and clumsy positioning of the thumb (which can obscure (45) is being written).Mr. Thomas believes that the (46) between elder and younger writers is (47) too dramatic to be accounted for simply by the possibility that people get better at writing as they grow (48) . He attributes it to a failure to teach the most effective methods, pointing out that the differences between (49) groups coincides with the abandonment of formal handwriting instruction in classrooms in the sixties. "The 30-year-old showed a huge diversity of grips, (50) the over 40s group all had a uniform ’tripod’ grip. \ 35().
Questions 26-30Complete the following sentences using NO MORE THAN THREE WORDS for each gap. If the student is still unsatisfied, a grade review is conducted by the （）.
在用例建模的过程中，若几个用例执行了同样的功能步骤，这时可以把这些公共步骤提取成独立的用例，这种用例称为 (19) 。在UML的用例图上，将用例之间的这种关系标记为 (20) 。
在面向对象分析过程中，用概念模型来详细描述系统的问题域，用 (14) 来表示概念模型；用 (15) 来描述对象行为。
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