题目内容
Carl studied in our high school three years ago. Last August his father found a job in another city and his family moved there. He began to study in a new school and we often write to each other. He often tells me something about the city where he lives now and his studies in the school. So I can know what happens to him.Last Friday Carl came to our city again. He hoped to stay with his old grandpa during the summer holiday. He’s taller and stronger than before. We swam in the river outside the city together or had a picnic on the island. It surprised me that he has learned to cook when we were travelling in the wild forest. He told me his parents were both busy and sometimes he stayed at home alone and he had to look after himself."How do you like your school" I asked."Wonderful," said the young man. "It has a tall building and there’re two chemistry labs, two biology labs and three physics ones. And our library is big and there’re plenty of books in it.""I can see you are happy with it.""Yes," answered he. "But our geography teacher often says to himself in class.""So does our new history teacher," I said. "But he doesn’t notice it. He often talks on’ and on, but none of us listens to him!\ Carl （）, so he learned to cook.
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为了保证现金日记账的安全和完整，无论采用三栏式还是多栏式现金日记账，都必须使用活页账。( )
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One summer my wife Chris and I were invited by friends to row down the Colorado River in a boat. Our expedition included many highly successful people -- the kind who have staffs to take care of life’’s daily work. But in the wilder rapids, all of us naturally set aside any pretenses (矫饰) and put our backs into every stroke to keep the boat from tumbling over. At each night’’s encampment, we all hauled supplies and cleaned dishes. After only two days in the river, people accustomed to being spoiled and indulged bad become a team, working together to cope with the unpredictable twists and turns of the river. I believe that in life -- as well as on boat trips -- teamwork will make all our journeys successful ones. The rhythms of teamwork have been the rhythms of my life. I played basketball alongside famous players, and the team I now coach, the New York Knicks, has recovered from years of adversity to become a major contender in the 1990s. I’’m persuaded that teamwork is the key to making dreams come true. We all play on a number of teams in our lives -- as part of a family, as a citizen, as a member of an agreement, written or unwritten. It contains the values and goals for every team member. For example, in the late 1970s a General Motors plant in Fremont, Calif, was the scene of constant warfare between labor and management. Distrust ran so high that the labor contract was hundreds of pages of tricky legal terms. GM spent millions trying to keep the facility up to date, but productivity and quality were continually poor. Absenteeism (旷工) was so out of control that the production line couldn’’t even start up on some mornings. Finally in the early 1980s, GM shut down the plant. GM became convinced that it had to create new production systems based on teamwork. In the mid-1980s it reopened the Fremont plant with Toyota, starting from scratch (从零开始) with a much simpler and shorter labor contract. It promised that executive salaries would be reduced and jobs performed by outside sellers would be given to employees before any layoffs were considered. Over a hundred job classifications were cut to just two. Instead of doing one boring job over and over, workers agreed to be part of small teams, spending equal time on various tasks. Why was it easy for boats to tumble over in the Colorado
[背景资料] 某混凝土重力坝工程包括左岸非溢流坝段、溢流坝段、右岸非溢流坝段、右岸坝肩混凝土刺墙段。最大坝高43m，坝顶全长322m，共17个坝段。该工程采用明渠导流施工。坝址以上流域面积610.5Km2，属于亚热带暖湿气候区，雨量充沛，湿润温和。平均气温比较高，需要采取温控措施。其施工组织设计主要内容包括： (1)大坝混凝土施工方案的选择。 (2)坝体的分缝分块。根据混凝土坝型、地质情况、结构布置、施工方法、浇筑能力、温控水平等因素进行综合考虑。 (3)坝体混凝土浇筑强度的确定。应满足该坝体在施工期的历年度汛高程与工程面貌。在安排坝体混凝土浇筑工程进度时，应估算施工有效工作日，分析气象因素造成的停工或影响天数，扣除法定节假日，然后再根据阶段混凝土浇筑方量拟定混凝土的月浇筑强度和日平均浇筑强度。 (4)混凝土拌合系统的位置与容量选择。 (5)混凝土运输方式与运输机械选择。 (6)运输线路与起重机轨道布置。门、塔机栈桥高程必须在导流规划确定的洪水位以上，宜稍高于坝体重心，并与供料线布置高程相协调，栈桥一般平行于坝轴线布置，栈桥墩宜部分埋入坝内。 (7)混凝土温控要求及主要温控措施。 混凝土的正常养护时间约为多长
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