• 2012山西高考试题库生物试题及答案-云返教育

    • 读沿北回归线的东西向某剖面图,完成下列问题。(10分)

      (1)从地质构造上看属于向斜的字母是
      ,图中共有 条断层,B处地形形成的原因是
      (2)图中的虚线圈F属于板块的
      边界,该地带往往形成
      (3)若开采石油、天然气,应在
      处。(填字母)
      (4)若F处在太平洋板块中,则E点应处在
      板块中,若E点为我国的台湾岛,该岛多地震的原因是
      (5)若在甲、乙两处要选择一处打隧道,应该选择在
      处,因为
      答案解析
      类型: 解答题     难度系数:
    • 足球比赛中发角球时,有经验的足球队员可发出所谓“香蕉球”.即球飞到球门前方时会拐弯进入球门.试简要地说明其道理.
      答案解析
      类型: 解答题     难度系数:
    • (14分)如果将电子由静止加速到速率为0.10c,需对它做多少功?如果将电子由速率为0.80c加速到0.90c,又需对它做多少功?
      答案解析
      类型: 解答题     难度系数:
    • (16分)细胞之所以能进行各种生命活动,是因为有其自身的物质基础和结构基础。图Ⅰ是细胞内两类生物大分子化合物(C和D)的组成层次及功能,请分析回答:

      (1)写出生物大分子C的名称
      ,此物质可用双缩脲试剂鉴定,具体现象为 
      (2)A的结构通式是
        。A通过  的方式形成C。
      (3)写出元素符号:X
        ,Y 
      (4)若图Ⅱ表示J物质的基本组成单位:则J物质是
        ,图Ⅱ的名称是 
      答案解析
      类型: 解答题     难度系数:
    • 生物武器是指在战争中使人、畜致病,毁伤农作物的微生物及其毒素。通常包括致病菌、立克次氏体、衣原体、病毒、真菌和毒素六大类。根据它们的类型,预测下列不属于生物武器危害性特点的是         
      答案解析
      类型: 单选题     难度系数:
    • 下列各组物质相互混合反应后,最终有白色沉淀生成的是(  )
      ①过量Na
      2O2投入到FeCl2溶液中
      ②过量Ba(OH)
      2溶液和明矾溶液混合
      ③少量Ca(OH)
      2投入过量NaHCO3溶液中
      ④Na
      2SiO3溶液中通入过量CO2
      ⑤CaCl
      2与NaOH的混合溶液中通入过量CO2
      答案解析
      类型: 单选题     难度系数:
    • (26分)
      材料一 预计未来5年,中国奢侈品市场将会达到146亿美元,占全球奢侈品消费额的首位。“天价”年夜饭、悍马婚礼等一系列的“中国式奢侈”消费行为充斥四周。同时,有的人吃穿尽情消费却不愿花几十元钱订一份报纸或杂志,买一本好书。
      材料二 与此相对照的是,还有相当的特殊困难群体生活在贫困线以下,有尊严的生存对他们来说仍然是一个沉重的课题。
      (1)材料一、二分别反映了目前我国消费存在哪些问题?(9分)
      (2)谈谈怎样才能解决材料所反映的问题。(8分)
      材料三 2012年的中央经济工作会议明确指出:必须坚持扩大内需和稳定外需协调发展,坚持扩大国内需求特别是消费需求的方针,把增加居民消费作为扩大内需的重点。
      (3)运用所学经济生活知识,分析我国当前把增加居民消费作为扩大内需的重点的理由。(9分)
      答案解析
      类型: 解答题     难度系数:
    • One Friday, 12-year-old Janet was going to stay all night with her friend Amy. They had to Mr. Dawson’s house on the way to Amy’s house. As they got , Janet saw him sitting in his front yard and they should cross over to the other side of the street. Janet was of the strange old man because of the stories she’d heard about him.
      Amy said not to . Still, Janet was growing more nervous with each step closer to the old man’s house. When they got close enough, Dawson looked up with his usual frown (皱眉头). , when he saw it was Amy, a broad changed his entire face as he said, “Hello Miss Amy. I see you’ve got a little with you today.”
      Amy smiled back and told him Janet was staying and they were going to listen to music and play games. Dawson said that sounded , and gave them each a freshly picked off his tree.
      When they Dawson’s house, Janet asked Amy, “How come he was so to us?”
      Amy that when she first started walking past his house he wasn’t very and she was afraid of him, but she he was wearing an invisible (看不见的)smile and so she smiled back at him. After some time, he started smiling real smiles and then started to her. Now he always her an apple, and was always very kind.
      Smiles are contagious (感染他人的). If you pretend he is smiling an invisible smile at you and you smile back at him, he will really smile.
      【小题1】
      A.walk byB.take upC.go intoD.tear down.
      【小题2】
      A.farB.fastC.insideD.close
      【小题3】
      A.announcedB.suggestedC.orderedD.predicted
      【小题4】
      A.fondB.ashamedC.scaredD.proud
      【小题5】
      A.cryB.worryC.returnD.speak
      【小题6】
      A.InsteadB.BesidesC.ThereforeD.However
      【小题7】
      A.accentB.jokeC.smileD.idea
      【小题8】
      A.friendB.dollC.giftD.pet
      【小题9】
      A.thereB.indoorsC.overnightD.here
      【小题10】
      A.greatB.strangeC.simpleD.dull
      【小题11】
      A.bananaB.orangeC.pearD.apple
      【小题12】
      A.enteredB.leftC.visitedD.saw
      【小题13】
      A.fairB.rudeC.niceD.open
      【小题14】
      A.explainedB.thoughtC.doubtedD.realized
      【小题15】
      A.happyB.famousC.friendlyD.popular
      【小题16】
      A.rememberedB.pretendedC.askedD.agreed
      【小题17】
      A.everB.seldomC.neverD.always.
      【小题18】
      A.turningB.referringC.talkingD.complaining
      【小题19】
      A.offeredB.awardedC.lentD.bought
      【小题20】
      A.more or lessB.now and againC.here and thereD.sooner or later
      答案解析
      类型: 完形填空     难度系数:

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