• 2011青海高考试题库生物试题及答案-云返教育


    • 基础训练篇(23)
      There was once a teacher in a village. He was a man named Goldsmith. He was a kind-hearted man. He was always poor (1)___________. He taught himself (2)___________, so sometimes people called him Doctor Goldsmith. One day a poor woman asked Mr. Goldsmith to go and see her husband, because he was very ill and couldn’t get up. Mr. Goldsmith did (3)____________. He found that the family needed help very much. The man had been out of work for a long time, but he was not (4)__________. He was just hungry because there was no food in his house.
      “Come to my room this (5)_________”said Mr. Goldsmith to the woman, “I will give you some medicine for your husband.”
      In the evening the woman came. Mr. Goldsmith gave her a little paper box.
      “(6)__________is the medicine,” he said.” Take it and it will (7)_________ your husband a great deal of good, but don’t open the box until you get home.”
      “What are the directions for (8) _________ it?” asked the woman.
      “You will find them inside the box.” he answered.
      When the woman (9)_______________ home, she sat down by her husband’s side, and they opened the box. They found it was full of money. And on the top were the (10)______________(direction):“TAKE IT WHEN YOU NEED IT.”
      Goldsmith had given all the money he had.
      答案解析
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    • 从“神五”到“神十”,中国的航天人正一步一个脚印地创造出新的奇迹。这充分说明         
      答案解析
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    • 有一种雷人的“楼盘文化”:挨着臭水沟叫水岸风光;旁边有小土包叫依山而居;周围有荒草地叫无限绿意;弄个喷水池叫英伦风情。这种现象反映了         
      答案解析
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    • 选择土壤中分解尿素的微生物所需氮源为         
      答案解析
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    • 下列说法正确的是(  )
      答案解析
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    • 下列关于基因突变的描述,正确的一组是
      ①表现出亲代所没有的表现型叫突变 ②所有的突变都是显性的,有害的 ③基因突变、基因重组和染色体变异三者共同特点就是三者都能产生新的基因 ④突变能人为地诱发产生 ⑤基因突变和染色体变异的重要区别是基因突变在光镜下看不到变化 ⑥DNA分子结构改变都能引起基因突变 ⑦基因突变的频率很低 ⑧基因突变是基因内部碱基对的增添、缺失或改变⑨基因突变有显性突变和隐性突变之分
      答案解析
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    • 植物生命活动调节的基本形式是激素调节,下面是有关植物激素的知识及实验研究,请根据有关信息分别回答下列问题:植物激素对植物的生长发育产生显著调节作用,植物 的生长发育是由多种激素相互协调、共同调节的。下表是植物生长的不同阶段各种激素的相对含量变化情况,请分析回答:

      (1)生长素的化学本质是
      。在果实的细胞分裂和细胞伸长时期生长素浓度较高,其原因是
      (2)从图中可知除了生长素能促进细胞伸长外,
      也具有这样的作用。果实中的生长素主要来源于
      (3)在果实成熟时,果实中含量升高的激素有

      (4)上图中各种激素动态变化说明

      (5)如果切取早期发育旺盛的果实小块放在切去尖端且有单侧光照射的燕麦胚芽鞘的切面上(正放),过一段时间将会看到该胚芽鞘
      生长。
      答案解析
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    • 电视剧《亮剑》成功塑造了八路军独立团团长李云龙和国民党晋绥军某部团长楚云飞的形象。下图是剧中李云龙和楚云飞共同抗日的情景,你认为出现该情景的原因是


      ①抗日民族统一战线的形成
      ②国共两党的阶级属性相同
      ③中日民族矛盾是当时中国社会的主要矛盾
      ④国共两党的方针政策基本一致
      答案解析
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