• 2013重庆高考试题库网址试题及答案-云返教育

    • 运用政治常识,全面阐述对 “坚持和完善人民代表大会制度,是发展社会主义民主政治和建设社会主义政治文明的客观要求”的理解。
      要求:(1)围绕论题,在论述中正确运用所学马克思主义基本立场、观点和方法。
      (2)论点紧扣论题,论述全面深入,合乎逻辑。
      (3)根据论题要求,运用相关材料,理论联系实际地加以论证。
      (4)学科术语使用规范。
      答案解析
      类型: 解答题     难度系数:
    • 车子一定需要四个轮胎,另外尚需要一个备胎,为什么一定要有五个呢?宁可百年不用,不可一日不备。同理,购买商业保险的经济学依据在于
      答案解析
      类型: 单选题     难度系数:
    • 已知函数f(x)是定义在R上的增函数,设F(x)=f(x)-f(a-x).
      (1)用函数单调性的定义证明:F(x)是R上的增函数;
      (2)证明:函数y=F???x)的图象关于点(
      a
      2
      ,0)成中心对称图形.
      答案解析
      类型: 单选题     难度系数:
    • 如图1所示,将取得的切段浸入蒸馏水中1小时后,再分别转入5种浓度的A溶液(实验组)和含糖的磷酸盐缓冲液(对照组)中。在23 ℃的条件下,避光振荡培养24小时后,逐一测量切段长度(取每组平均值),实验进行两次,结果见图2。下列相关叙述中,错误的是         

      录时应将该数据舍弃
      答案解析
      类型: 单选题     难度系数:
    • 以下关于化学实验中“先与后”的说法中正确的是         
      ①加热试管时,先均匀加热,后局部加热 ②用排水法收集气体后,先移出导管后撤酒精灯 ③制取气体时,先检验装置气密性后装药品 ④点燃可燃性气体如H
      2、CO等时,先检验气体纯度后点燃 ⑤做H2还原CuO实验时,先通H2后加热CuO,反应完毕后,先撤酒精灯待试管冷却后停止通H2⑥进行分液操作时,先取下分液漏斗上口的玻璃塞,然后再慢慢旋开活塞.
      答案解析
      类型: 单选题     难度系数:
    • 洗涤是化学实验中的基本操作,下列有关操作合理的是(  )
      答案解析
      类型: 单选题     难度系数:
    • 用一组样本数据8,x,10,11,9来估计总体的标准差,若该组样本数据的平均数为10,则总体标准差s=         
      答案解析
      类型: 填空题     难度系数:

    • Female Chinese space pioneers?
      CHINA plans to recruit(招募) women astronauts thanks to the lobbying(游说) of the leading women’s organization. Gu Xiulian, president of the All-China Women’s Federation(ACWF) (全国妇联), said on Saturday that she put forward a proposal that women be trained for space missions after the manned space flight last October. And it was accepted by the central authorities, local media reported. But the plan to recruit female astronauts has yet to be worked out, according to sources close to the astronaut-training programme.
      Beijing needs mental health care
      MORE than 1,000 people committed suicide(自杀) in Beijing last year, and experts have been encouraging the capital to set up a mental health care system as soon as possible, local media reported last week. About 20 percent of the people of Beijing live in unhealthy conditions, with 3 percent of these suffering from affective disorder and 5 percent reporting symptoms of depression, according to the Beijing Mental Health Service Center.
      No need to fear your licence plate
      CAR licence plates in Shenzhen and Guangzhou, Guangdong Province, will not have the number “four” from this month on ---a move that has led to heated discussion among officials, schools and residents. The word for “four” sounds like “death” in Cantonese. The number has been cleared away from the computer data banks that generate the six-digit licence numbers for local cars. Some say that, for the first time, a public agency service has considered local customs and bans. Others worry it will encourage superstitious(迷信的) beliefs.
      83.We can infer from the news that ____.
      A.there are several female astronauts in China now
      B.people in Guangdong province hate number “four”
      C.the mental disorder concerns everybody all over the country
      D.the city government of Beijing has promised to set up a mental health care system
      84.The underlined sentence in the third news means that __ __.
      A.there is no number “four” in the computers in Shenzhen
      B.computer is used to print six-digit car licence numbers
      C.local cars will be protected to use six-digit car licence numbers
      D.number “four” will no longer appear in the six-digit car licence numbers
      85.What is the message of the first news?
      A.China only needs male astronauts.
      B.Gu Xiulian wants to be the first space woman.
      C.Society doesn’t discriminate(歧视) against women in China.
      D.The proposal of female astronaut training hasn’t been approved.
      86.Which word has the same meaning as the underlined word “symptoms”?
      A.symbol B.signs C.sorts D.shocks
      答案解析
      类型: 阅读理解     难度系数:

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