• 2012甘肃物理高考试题库试题及答案-云返教育

    • Bean and other seed shoots are also known as sprouts (新芽). The dry bean seeds contain a store of nutrients just waiting to be released when they sprout. Under the right conditions they will germinate (发芽)。 As they grow, the food value of the seeds is multiplied into vitamins, minerals (矿物质) and other nutrients. This happens almost overnight!
      It is easy to grow your own sprouts, but you need to buy your seeds from supermarkets or health food stores. Seeds for planting in the garden are often powdered with chemicals, so when becoming sprouts they are not safe to eat.
      Try growing sprouts from a variety of beans and seeds. You will find different sprouts at different stages. Bean sprouts are best when they are about three centimeters long. Wheat and sunflower sprouts taste best when the sprouts and the seeds are of the same length. If the sunflower sprout is too long it leaves a funny stinging feeling in the throat after eating. Alfalfa sprouts are best when their small leaves are well developed. Pea and soybean sprouts are good long or short.
      If you leave your sprouts in filtered sunlight for a few hours, the leaves will turn green as chlorophyll (叶绿素) is added. Eating sprouts with green leaves benefits your blood, cells, and the digestive system.
      【小题1】Which of the following sprouts taste good whether they are long or short?
      A.Soybean sprouts
      答案解析
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    • 二次函数y=f(x)满足:f(x+1)-f(x)=2x+3,f(1)=4,求函数f(x)的解析式.
      答案解析
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    • 《中共中央国务院关于推进社会主义新农村建设的若干意见》指出,要扶持农村业余文化队伍,鼓励农民兴办文化产业。加强农村文化市场管理,抵制腐朽落后文化。上述要求的依据是
      答案解析
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    • 麋鹿生态旅游区位于盐城国家海洋湿地保护区。图20为麋鹿生态旅游区江苏省内游客数量变化图。据此回答问题。(10分)

      (1)根据旅游资源的分类,湿地属于
      ,其旅游价值有      。 (4分)
      (2)麋鹿生态旅游区省内游客数量的变化特点是
        ,(1分)其主要影响因素有  。 (3分)
      (3)生态旅游区的可持续发展,必须将
        作为首要任务。(2分)
      答案解析
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    • 设NA为阿伏伽德罗常数的值。下列说法正确的是
      答案解析
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    • 下列关于合金的叙述不正确的是
      答案解析
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    • 求函数f(x)=
      x2-2x
      的定义域         
      答案解析
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    • 请完成下列有关体液的概念图:
      答案解析
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