• 2010-2007上海高考试题库试题及答案-云返教育

    • 如图表示一个DNA分子片段有a、b、c三个不同基因。下列有关叙述中不正确的是
      答案解析
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    • 某体育彩票规定:从01号到36号中任意抽取7个构成一注.某人要求从01号到10号中任意抽取2个连续的号,从21号到30号中任意抽取1个号,从31号到36号中任意抽取1个号,形成一注,那么此人采用的抽样方法是(  )
      答案解析
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    • 一钟表分针长10cm,经40分钟,分针端点所转过的弧长是 cm.
      答案解析
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    • 如图所示光滑竖直圆槽,AP、BP、CP为通过最低点P与水平面分别成30°、45°、60°角的三个光滑斜面,与圆相交于A、B、C点.若一物体由静止分别从A、B、C滑至P点所需的时间为t1,t2,t3,则         
      答案解析
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    • 关于植物激素及其类似物在农业生产实践上的应用的叙述,符合实际的是
      答案解析
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    • 人口的变化反映社会发展状况,从下表可推出的正确结论有
      朝代南方北方
      人口(户)占全国比例人口(户)占全国比例
      西汉247068519.8%998578580.2%
      唐朝392041543.2%514852956.8%
      北宋302554162.9%112247637.1%
      A.北方安土重迁的观念较淡薄
      B.北宋的政治中心和经济重心均在南方,使南方人口大增
      C.经济重心南移和战争频繁导致人口不断南迁
      D.由北宋人口数量的减少可知汉唐经济远比宋代繁荣
      答案解析
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    • “被工业革命推上权势顶峰的是这样一些人,他们中大多数……没有光荣的族谱和坚强的后盾,……自己穷困潦倒。在工业革命的风暴中,他们凭自己的创造才能取得发明专利,更凭精明的计算和心狠手辣开办工厂,在社会财富的梯级上越爬越高。”如果引用这段材料,最适合作为下列哪一论题的论据?         
      答案解析
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    • Soon it would be the holidays, but before that, there were year exams. All the 36 _____ had been working hard for some time, reviewing their lessons for the exams. If they didn’t 37 _____, they would have to retake them in September. There were usually a few who 38 _____, but Jane didn’t want to be one of them. She had worked hard all year, 39 _____ just before the exams she was working so hard that her sister Barbara was 40 _____ about her. She went to bed too 41 _____. The night before the first exam, Barbara 42 ____ that she have an early night and take a 43 ____ pill. She promised to wake 44 _____ up in the morning. C.classmates
      【小题2】
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