高三: 语文 数学 英语 物理 化学 生物 历史 政治 地理 

高三试题

某化学实验小组同学为了证明、比较SO2和氯水的漂白性,设计了如下图所示的实验装置。

 

(1) 实验室常选用制CO2的发生装置制SO2;实验室在用MnO2跟浓盐酸反应制备Cl2时,应选用上图AE两发生装置中    装置(填装置序号)Cl2

  (2) 反应开始后,发现BD两个试管中的品红溶液都褪去,停止通气后,给BD两个试管加热,两个试管中的现象分别为B       D       

  (3) 装置C的作用是                          

  (4) 甲乙两名同学分别利用下图所示装置探究两种气体按不同比例混合后的漂白性。试分析:

①在气体进入品红溶液之前,先将SO2Cl2通过盛有浓硫酸装置的目的是:

                                    

②甲同学在实验过程中发现:通气一段时间后,品红溶液几乎不褪色,其原因是:                               ,并写出其相应的离子方程式:                     

③乙同学在实验过程中发现:通气一段时间后,品红溶液颜色随时间推移变得越来越浅,

其原因是:                 

是定义在上以为周期的偶函数,在区间上是严格单调递增函数,且满足,则不等式的解集为                     .

是数列的前项和,且,则__________.

甲~庚等元素在周期表中的相对位置如下表,己的最高氧化物对应水化物有强脱水性,甲和丁在同一周期,甲原子最外层与最内层具有相同电子数.下列判断正确的是

A.丁用于制造光导纤维

B.气态氢化物的稳定性:庚<己<戊

C.常温下,甲和乙的单质均能与水剧烈反应

D.丙与戊的原子序数相差28

如图所示,质量为m的小球被一根橡皮筋AC和一根绳BC系住,当小球静止时,橡皮筋处在水平方位向上.下列判断中正确的是(                                                                                         

                                                                               

    A  AC被突然剪断的瞬间,BC对小球的拉力不变

    B  AC被突然剪断的瞬间,小球的加速度大小为gtanθ

    C  BC被突然剪断的瞬间,小球的加速度大小为

    D  BC被突然剪断的瞬间,小球的加速度大小为gsinθ

                                                                                                          

读长江中下游某地等高线图(左下图),此时山顶戊的影子正好位于己点且是该日最短的影长(下图)。读图和材料完成2425

24.图中甲、乙、丙、丁四个地点,最合适在露营活动期间搭帐篷宿营的是(   

A.甲      B.乙 

C.丙      D.丁

25.图中河流的大体流向为(   

A.自西南向东北              

B.自东向西   

C.自西北向东南            

D.自东北向西南

空气吹出法工艺是目前“海水提溴”的最主要方法之一。其工艺流程如图所示,其中不正确的是(     )

A.步骤④⑤是为了富集溴

B.步骤③说明溴具有挥发性

C.步骤④的离子方程式为Br2+SO2+H2O2H++2Br-+SO32-

D.步骤⑧中溴蒸气冷凝后得到液溴与溴水的混合物可用分液漏斗分离

自然界的电、热和磁等现象都是相互联系的,很多物理学家为寻找它们之间的联系做出了贡献,下列说法错误的是(  )

A.奥斯特发现了电流的磁效应,揭示了电现象和磁现象之间的联系

B.欧姆发现了欧姆定律,说明了热现象和电现象之间存在联系

C.法拉第发现了电磁感应现象,揭示了磁现象和电现象之间的联系

D.焦耳发现了电流的热效应,定量得出了电能和热能之间的转换关系

 1949~1952年,在着重完成包括土地革命、镇压反革命等在内的民主革命遗留任务的同时,中国共产党领导人民致力于恢复被长期战争破坏了的国民经济。对新中国成立后这段历史认识正确的有(  )

①完成了广泛而深刻的社会变革      

②巩固了新中国的国家政权 

③是新民主主义向社会主义过渡时期  

④基本完成了生产资料社会主义改造

A.①②     B.②③     C.①③     D.②④

已知函数,其中.

1)若在区间上为增函数,求的取值范围;

2)当时,证明:

3)当时,试判断方程是否有实数解,并说明理由.

“康有为认为,《论语》中‘仁者爱人’的思想、韩愈《原道》中的‘博爱之谓仁’的观点、《大学》里的‘平天下’等说法,都是‘博爱、平等、自由而不侵犯人之自由’的具体表述,所以,‘夫自由之义,孔门已先倡之矣’”。从材料中获取的信息不包括

A.康有为将西方的资本主义政治学说与中国的儒家思想结合起来

B.康有为认为近代西方自由平等理论在中国“古已有之”

C.康有为认为孔孟学说中充满自由、平等、博爱的精神

D.康有为主张君主立宪,实行渐进变革

已知平面平面,,直线直线不垂直,且交于同一点,则“”是“”的                                                                                                        

       A.既不充分也不必要条件                            B.充分不必要条件

      C.必要不充分条件                                        D.充要条件

 “Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”

                                                         -----Albert Einstein

   If you have a kid with special needs in the school system, chances are you have come across that saying hanging on a classroom wall. My five-year-old daughter Syona has cerebral palsy (a medical condition affecting someone’s control over their movement ) and it means ,combined with her communication challenges and sight problems , that standard assessments (and by “standard”, I mean the ones used to assess kids with special needs ) aren’t always an accurate measure of her abilities.

   By now you have probably heard about Chris Ulmer, the 26-year-old teacher in Jacksonville , Florida ,who starts his special education class by calling up each student individually to give them much admiration and a high-five (a gesture of greeting or congratulation ). I couldn’t help but be reminded of Syona’s teacher and how she supports each kid in a very similar way. Ulmer recently shared a video of his teaching experience. “I have seen their confidence and self-worth increase rapidly, ” he said . All I could think was: How lucky these students are to have such inspirational teachers.

   Syona’s teacher has an attitude that can best be summarized in one word: awesome. Her teacher doesn’t focus on what can’t be done—she focuses on what can be done. Over the past several months, my husband Dilip and I have seen Syona’s confidence increase tenfold. She uses words she wouldn’t have thought of using before. She recently told me about her classmate’s trip to Ecuador and was very proud when I understood her on the first try.

   I actually wonder what the influence would be if we did something similar to what Ulmer does with his students in our home .We’ve recently started our day by reminding each other of the good qualities we all possess. If we are reminded of our strengths on a regular basis, we will become increasingly confident about progress and success.

Ulmer’s reach as a teacher goes far beyond the walls of his classroom. In fact , he teaches all of us to take a moment and truly appreciate the strengths of an important person in our lives.

24. What does the author think of Einstein’s quote?

A. Funny        B. True       C. Strange       D. Confusing

25. What can we learn about Chris Ulmer ?

A. He praises his students one by one            B. He is Syona’s favorite teacher

C. He use videos to teach his students            D. He asks his students to help each other

26. Syona felt very pleased because_____.

A. she has developed a cool attitude         B. her progress was appreciated by her parents

C. her mother knew what she expressed      D. she had been to Ecuador with her classmate

27. What change has taken place in the author’s family

A. They invite Ulmer’s students to their home     B. They visit Umer’s classroom regularly

C. They feel grateful to people in their lives       D. They give each other praise every day

25℃下,稀释HAHB两种酸溶液,浓液pH变化的曲线如图3所示,其中V1表示稀释前酸的体积,V2表示稀释后溶液的体积,下列说法不正确的是

A. ab两点水的电离程度a小于b

B. HAHB两种酸溶液pH相同时,c(HA)

C. 曲线上ab两点一定相等

D. 25时,NaA溶液中c(A-)一定大于NaB溶液中c(B)

2016G20峰会就推动世界经济强劲、可持续、平衡和包容增长的一揽子政策和措施达成“杭州共识”。G20峰会达成“杭州共识”的原因在于 

A. 各国综合国力的发生变化          B. 各国之间的根本利益是一致的

C. 各国经济发展的共同需要          D. 奉行独立自主的和平外交政策

《十二铜表法》第七表“土地和房屋”(即相邻关系)规定:“凡在自己的土地和邻地之间筑篱笆的,不得越过自己土地的界限;筑围墙的应留空地一尺;挖沟的应留和沟涤相同的空地;掘井的应留空地六尺;栽种橄榄树和无花果树的,应留空地九尺;其他树木留五尺。”材料主要表明该法

A.维护私有财产                  B.条文清晰内容全面

   C.协调邻里关系                  D.保留习惯法的内容

根据“十三五”规划纲要草案,在构建内通外联的运输通道网络上,加强进出疆、出入藏通道建设,构建西北、西南、东北对外交通走廊和21世纪海上丝绸之路走廊,这将极大地促进四川、西藏地区的对外开放,并促进中国—南亚陆路经贸通道的构建。这表明

①实现了国家政策和民族地区特点的有机结合       ②少数民族平等地享有权利和平等地履行义务

③少数民族自治地区享有经济方面的自治权           ④我国真正落实民族平等'团结和共同繁荣的原则

A.③④                      B.②③                       C.①②                      D.①④

一位法国思想家说:《圣绎》上声称,妇女触犯上帝遭到惩罚,所以分娩时必遭痛苦。但是,母猪生崽的时候也无一个不痛,不知道它们为何事也得罪了上帝呢?由此可以看出他的主张是                                        

    A.虔诚信仰上帝                                       B.反对盲目信仰

    C.实行三权分立                                        D.妇女解放

如图所示,光滑轨道MOON底端对接且ON2MOMN两点高度相同。小球自M点由静止自由滚下,忽略小球经过O点时的机械能损失,以vsaEK分别表示小球的速度、位移、加速度和动能四个物理量的大小。下列图象中能正确反映小球自M点到N点运动过程的是

2010年全国节能宣传周的主题是节能攻坚、全民行动

8.我国政府采取多种措施促进单位GDP能耗降低的直接原因是(  )

A.自然资源种类多、总量大、类型齐全B.能源资源相对短缺

C.人口基数过大,新增人口数量仍较多D.以生物多样性减少为特征的生态破坏加剧