北京市西城区2017届高三化学二模
2017.5
本试卷共16页，共300分。考试时长150分钟。考生务必将答案答在答题卡上，在试卷上作答无效。考试结束后，将本试卷和答题卡一并交回。
可能用到的相对原子质量：O 16 Na 23 S 32 Cl 35.5
第一部分（选择题共120分）
本部分共20小题，每小题6分，共120分。在每小题列出的四个选项中，选出最符合题目要求的一项。
6．下列材料中不属于有机高分子化合物的是
二氧化硅聚酯纤维聚丙烯酸钠
7．下列事实与水解反应无关
．．的是
A．用Na2S除去废水中的Hg2+
B．用热的Na2CO3溶液去油污
C．利用油脂的皂化反应制造肥皂
D．配制CuSO4溶液时加少量稀H2SO4
8．下列事实不能
．．用元素周期律解释的是
A．酸性：HClO4 > H2SO4
B．Na、Mg与水反应，Na更剧烈
C．气态氢化物的稳定性：HF > HCl
D．向Na2SO3溶液中加盐酸，有气泡产生
9．已知反应：2Fe 3+ + 2I － 2Fe 2+ + I 2，用KI 溶液和FeCl 3溶液进行如下实验。下列说法中，不正确．．．
的是
A ．实验i 中现象说明有Fe
2+生成
B ．实验ii 中现象说明反应后溶液中含有Fe 3+
C ．实验iii 水溶液中c (Fe 2+)大于i 中c (Fe 2+)
D ．实验iii 中再加入4滴0.1 mol·L －1 FeCl 2溶液，振荡静置，CCl 4层溶液颜色无变化
10．在一定条件下，利用CO 2合成CH 3OH 的反应如下：
CO 2(g) + 3H 2(g)CH 3OH(g) + H 2O(g) △H 1， 研究发现，反应过程中会有副反应： CO 2(g) + H 2(g)CO(g) + H 2O(g) △H 2。
温度对CH 3OH 、CO 的产率影响如右图所示。下列说法中，不正确．．．的是 A ．△H 1 < 0，△H 2 > 0
B ．增大压强有利于加快合成反应的速率
C ．生产过程中，温度越高越有利于提高CH 3OH 的产率
D ．合成CH 3OH 反应的平衡常数表达式是
11．依据下列实验现象，不能．．
得出对应结论的是
K =
c (CH 3OH)·c (H 2O)
c (CO 2)·c 3(H 2)
12．工业酸性废水中的Cr2O72－可转化为Cr3+除去，实验室用电解法模拟该过程，结果如下表所示（实验开始时溶液体积为50 mL，Cr2O72－的起始浓度、电压、电解时间均相同）。下列说法中，不正确
．．．的是
A．对比实验①②可知，降低pH可以提高Cr2O72－的去除率
B．实验②中，Cr2O72－在阴极放电的电极反应式是Cr2O72－+ 6e－+ 14H+ == 2Cr3+ + 7H2O
C．实验③中，Cr2O72-去除率提高的原因是Cr2O72－+ 6Fe2++ 14H+ == 2Cr3+ + 6Fe3+ + 7H2O
D．实验③中，理论上电路中每通过6 mol电子，则有1 mol Cr2O72－被还原
非选择题（共11题共180分）
25．（17分）
聚合物（W是链节中的部分结构）是一类重要的功能高分子材料。聚合物X是其中的一种，转化路线如下：
已知：
（R代表烃基或氢原子）
（1）A的结构简式是________。
（2）B所含的官能团名称是_________________。
（3）E的结构简式是____________________。
（4）①的化学方程式是_______________________。
（5）②的反应类型是_______________________。
（6）J是五元环状化合物，③的化学方程式是
______________________________________________________________。（7）X的结构简式是____________________________________________。
26．（14分）MnSO4在工业中有重要应用。用软锰矿浆（主要成分为MnO2和水，含有Fe2O3、FeO、Al2O3和少量PbO等杂质）浸出制备MnSO4，其过程如下：I．向软锰矿浆中通入SO2，锰、铁、铝、铅元素以离子形式浸出，测得浸出液的pH＜2。
II．向浸出液中加MnO2，充分反应后，加入石灰乳，调溶液pH = 4.7。
III．再加入阳离子吸附剂，静置后过滤。
IV．滤液蒸发浓缩，冷却结晶，获得MnSO4晶体。
【资料】部分阳离子形成氢氧化物沉淀的pH
（1）I中向软锰矿浆中通入SO2生成MnSO4，该反应的化学方程式是___________________________________________________________。
（2）II 中加入MnO2的主要目的是______________________________________；调溶液pH = 4.7，生成的沉淀主要含有________________________________ 和少量CaSO4。
（3）III中加入阳离子吸附剂，主要除去的离子是________。
（4）用惰性电极电解MnSO4溶液，可以制得高活性
MnO2。
①电解MnSO4溶液的离子方程式是
_________________________________________。
②高活性MnO2可用于催化降解甲醛，有关微
粒的变化如右图所示，其中X是________，
总反应的化学方程式是_________________________________________。
27．（12分）
氨氮废水中的氮元素多以NH 4+和NH 3·H 2O 的形式存在。某工厂处理氨氮废水的流程如下：
（1）I 中加入NaOH 溶液，调pH =11并鼓入大量空气。用离子方程式表示加NaOH 溶液的作用是____________________；鼓入大量空气的目的是_________________。
（2）II 中加入适量NaClO 溶液，控制pH 在6～7，将氨氮转化为无毒物质。 ① 为了完全从废水中去除氨氮，加入的NaClO 与水体中NH 4+ 的物质的量之比最小是________。
② 过程II 发生3个反应：
i ． ClO －+ H + == HClO
ii ． NH 4+ + HClO == NH 2Cl + H + + H 2O （NH 2Cl 中Cl 元素为+1价） iii ． ……
已知：水体中以+1价形式存在的氯元素有消毒杀菌的作用，被称为“余氯”。右图为NaClO 加入量与“余氯”含量的关系示意图。其中氨氮含量最低的点是c 点。 b 点表示的溶液中氮元素的主要存在形式是（用化学式表示）________； 反应iii 的化学方程式是
____________________________________________。
（3）III 中用Na 2SO 3溶液处理含余氯废水，要求达标废水中剩余Na 2SO 3的含量小于5 mg·L －1。若含余氯废水中NaClO 的含量是74.5 mg·L －1，则处理10 m 3 含余氯废水，至多添加10% Na 2SO 3溶液________kg （溶液体积变化忽略不计）。
28．（15分）某小组同学设计如下实验，研究亚铁盐与H2O2溶液的反应。
【实验Ⅰ】
试剂：酸化的0.5 mol·L－1 FeSO4溶液（pH = 0.2），5% H2O2溶液（pH = 5）
（1）上述实验中H2O2溶液与FeSO4溶液反应的离子方程式是
__________________________________________________。
（2）产生气泡的原因是___________________________________。
【实验Ⅱ】试剂：未酸化的0.5 mol·L－1 FeSO4溶液（pH = 3），5% H2O2溶液（pH = 5）
（3）将上述混合物分离，得到棕黄色沉淀和红褐色胶体。取部分棕黄色沉淀洗净，加4 mol·L－1盐酸，沉淀溶解得到黄色溶液。初步判断该沉淀中含有Fe2O3，经检验还含有SO42－。检验棕黄色沉淀中SO42－的方法是________________________。
（4）对于生成红褐色胶体的原因，提出两种假设：
i．H2O2溶液氧化Fe2+ 消耗H+ ii．Fe2+ 氧化的产物发生了水解
①根据实验II记录否定假设i，理由是________________________________。
②实验验证假设ii：取__________________________，加热，溶液变为红褐
色，pH下降，证明假设ii成立。
（5）将FeSO4溶液加入H2O2溶液后，产生红褐色胶体，反应的离子方程式是__________________________________________________。
【实验Ⅲ】若用FeCl2溶液替代FeSO4溶液，其余操作与实验II相同，除了产生与II相同的现象外，还生成刺激性气味气体，该气体能使湿润的蓝色石蕊试纸变红但不褪色。
（6）产生刺激性气味气体的原因是________。
（7）由实验Ⅰ、Ⅱ、Ⅲ可知，亚铁盐与H2O2反应的现象与________（至少写两点）有关。
西城区高三模拟测试 理科综合参考答案及评分标准 2017.5 第一部分（选择题 共120分）
25~28题其他正确答案可参照本标准给分
25．（17分，第3、4、6小题每空3分，其余每空2分） （1）C2H5OH （2）醛基 （3）CH2=CHCHO （4） （5）加成反应 （6）
（7）
26．（14分，每空2分）
（1）SO2 ＋MnO2 == MnSO4
（2）将Fe2＋氧化为Fe3＋除去 Fe(OH)3 Al(OH)3 （3）Pb2＋、Ca2＋
（4）① Mn2+ + 2H2O MnO2 + H2↑ + 2H+
② HCO3－ CO2 + H2O
电解
27．（12分，每空2分）
（1）NH4+ + OH－== NH3·H2O 将NH3吹出
（2）① 3:2
② NH2Cl 2NH2Cl + HClO == N2 + 3HCl + H2O
（3）13.1
28．（15分，第2小题1分，其余每空2分）
（1）2Fe2+ + H2O2 + 2H+ == 2Fe3+ + 2H2O
（2）Fe3+催化下H2O2分解产生O2 （或用化学方程式表示）
（3）取加入盐酸后的黄色溶液少许于试管中，加入BaCl2溶液，产生白色沉淀，说明棕黄色沉淀中含有SO42－
（4）①反应后溶液的pH降低
② Fe2(SO4)3溶液
（5）2Fe2++ H2O2 + 4H2O == 2Fe(OH)3（胶体）+ 4H+
（6）H2O2分解反应放热，促进Fe3+的水解平衡正向移动，产生的HCl受热挥发（7）pH、阴离子种类、温度、反应物用量
西城区高三模拟测试 英语2020.6 本试卷共11页，120分。考试时长100分钟。考生务必将答案写在答题卡上，在试卷上作答无效。考试结束后，将本试卷和答题卡一并交回。 第一部分：知识运用（共两节，45分） 第一节语法填空（共10小题；每小题1.5分，共15分） 阅读下列短文，根据短文内容填空。在未给提示词的空白处仅填写1个适当的单词，在给出提示词的空白处用括号内所给词的正确形式填空。 about 150cm tall. Its feathers are as white as snow, except for some black ones on its face, neck head. The red-crowned crane Peninsula China, it spends the warmer months in the rivers and wetlands in the the weather gets cold, it migrates to east-central China. The red-crowned crane is a symbol of long life and good luck in Chinese culture. C During that time, more Beidou satellites were sent into orbit (轨道), Navigation Satellite In late 2012, it began providing positioning, navigation, timing and messaging satellites 第二节完形填空（共20小题；每小题1.5分，共30分）
4 6主视图 4 俯视图 4 6左视图 闵行区2017届第二学期高三年级质量调研考试 数 学 试 卷 （满分150分，时间120分钟） 考生注意： 1．答卷前，考生务必在答题纸上将学校、班级、考生号、姓名等填写清楚． 2．请按照题号在答题纸各题答题区域内作答，超出答题区域书写的答案无效；在草稿纸、试题卷上答题无效． 3．本试卷共有21道试题． 一、填空题（本大题共有12题，满分54分，第1～6题每题4分，第7～12题每题5分）考生应在答题纸上相应编号的空格内直接填写结果． 1. 方程()3log 212x +=的解是 ． 2. 已知集合{} {}11,1,0,1,M x x N =+≤=-则M N = ． 3. 若复数122,2z a i z i =+=+（i 是虚数单位），且12z z 为纯虚数，则实数a = ． 4. 直线2232x t y t ?=--??=+??（t 为参数）对应的普通方程是 ． 5. 若() 1(2),3n n n x x ax bx c n n -* +=++++∈≥N ，且 4b c =，则a 的值为 ． 6. 某空间几何体的三视图如右图所示，则该几何体的侧面积是 ． 7. 若函数()2()1x f x x a =+-在区间[]0,1上有零点，则实数a 的取值范围是 ． 8. 在约束条件123x y ++-≤下，目标函数2z x y =+的 最大值为 ． 9. 某学生在上学的路上要经过2个路口，假设在各路口是否遇到红灯是相互独立的，遇到红灯的概率都是 1 3 ，则这名学生在上学的路上到第二个路口时第一次遇到红灯的概率是 ． 10. 已知椭圆()2 2 2101y x b b +=<<，其左、右焦点分别为12F F 、，122F F c =．若此椭 圆上存在点P ，使P 到直线1 x c =的距离是1PF 与2PF 的等差中项，则b 的最大值为 ． 11. 已知定点(1,1)A ，动点P 在圆22 1x y +=上，点P 关于直线y x =的对称点为P '，向 量AQ OP '= ，O 是坐标原点，则PQ 的取值范围是 ． 12. 已知递增数列{}n a 共有2017项，且各项均不为零，20171a =，如果从{}n a 中任取两项 ,i j a a ，当i j <时，j i a a -仍是数列{}n a 中的项，则数列{}n a 的各项和2017S =___．
2019北京西城区高三二模 英语 2019.5 本试卷共10页，共120分。考试时长100分钟。考生务必将答案答在答题卡上，在试卷上作答无效。考试结束后，将本试卷和答题卡一并交回。 第一部分：知识运用（共两节，45分） 第一节语法填空（共10小题；每小题1.5分，共15分） 阅读下列短文，根据短文内容填空。在未给提示词的空白处仅填写 1个适当的单词，在给出提示词的空白处用括号内所给词的正确形式填空。 A When I was in high school our physics teacher gave us a challenge 1 involved making a paper airplane of any shape. The only objective was to get it to fly as far as possible. 2 (stand) at the starting line, one of my classmates took a piece of flat paper, crumpled (把…捏成一团) it up, and 3 (throw) it down the way. He beat the class with ease. Some of the students got mad and said that he cheated, but the physics teacher 4 (clear) explained it could be any shape and that a paper ball was indeed a shape. B Buildings around the world 5 (go) dark for 60 minutes this evening in a voluntary event known as Earth Hour. This grassroots effort started in 2007 in Sydney, Australia, and has since grown into 6 global movement to raise awareness of our energy consumption and the effects of climate change on our planet. Anyone can participate in this movement 7 switching off the lights at 8:30 PM local time. Last year close to 18,000 landmark buildings switched off their lights in 188 countries. Will you dim your lights tonight? C The story of Chinese fashion began in 2011 when Feiyue and Huili, both Chinese sneaker brands, suddenly gained international attention. Their products 8 (see) on models all over the world then. Last year, Chinese sportswear brand LI-NING was at the New York Fashion Week in September with new designs 9 (decorate) with Chinese characters. Now the Chinese brands are impressive and ambitious and can go head to head with foreign brands. And this ambition may be due to the fact that China’s young people are now more confident about 10 (they) own culture. 第二节完形填空（共20小题；每小题1.5分，共30分） 阅读下面短文，掌握其大意，从每题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。 The Gift of Forgiveness The summer I turned 16, my father gave me his old 69 Chevy Malibu convertible. What did I know about classic cars? For me, the important thing was that Hannah and I could 11 around Tucson with the top down. Hannah was my best friend, a year younger but much 12 . That summer she 13 with a modeling agency, doing catalog and runway work.
第二学期普陀区高三数学质量调研 数学试卷 一、填空题（本大题共有12题，满分54分）考生应在答题纸相应编号的空格内直接填写结果，每个空填对前6题得4分，后6题得5分，否则一律得零分. 1.计算：31lim 1n n →∞??+= ??? ____________ 2.函数21log 1y x ??=- ???的定义域为____________ 3.若2παπ<<，3sin 5α=，则tan 2α=____________ 4.若复数()21z i i =+?（i 表示虚数单位），则z =____________ 5.曲线C ：sec tan x y θθ =??=?（θ为参数）的两个顶点之间的距离为____________ 6.若从一副52张的扑克牌中随机抽取2张，则在放回抽取的情形下，两张牌都是K 的概率为____________（结果用最简分数表示） 7.若关于x 的方程sin cos 0x x m +-=在区间0, 2π??????上有解，则实数m 的取值范围是____________ 8.若一个圆锥的母线与底面所成的角为6 π，体积为125π，则此圆锥的高为____________ 9.若函数()()222log log 12f x x x x =-+≥的反函数为()1f x -，则()13f -=____________ 10.若三棱锥S ABC -的所有的顶点都在球O 的球面上，SA ⊥平面ABC ，2SA AB ==，4AC =， 3BAC π ∠=，则球O 的表面积为____________ 11.设0a <，若不等式()22sin 1cos 10x a x a +-+-≥对于任意的R x ∈恒成立，则a 的取值范围是____________ 12.在△ABC 中，D 、E 分别是AB 、AC 的中点，M 是直线DE 上的 动点，若△ABC 的面积为1，则2 M B M C B C ?+ 的最小值为____________ 二、选择题（本大题共有4题，满分20分）每题有且只有一个正确答案，考生应在答题纸的相应编号上，将代表答案的小方格涂黑，选对得5分，否则一律得零分 13.动点P 在抛物线2 21y x =+上移动，若P 与点()0,1Q -连线的中点为M ，则动点M 的轨迹方程为（ ） A. 22y x = B. 24y x = C. 26y x = D. 2 8y x =
2010年西城区中考二模英语试题 听力理解(共24分) 一、听对话，选择与对话内容相符的图片。(共4分，每小题1分) 1． 2． 3． 4． 二、听对话和独白，根据对话和独自的内容，选择正确选项。(共12分，每小题1分)现在请听一段对话，完成第5至第6小题。 5. When does the first class begin? A. At 8:30. B. At 9:30. C. At 2:30. 6. How many classes are there in the evening? A. 0. B. 1. C. 2. 现在请听一段对话，完成第7至第8小题。 7. Who will go to see the doctor? A. Mike. B. Alice. C. Betty.
8. When will they go to see the film? A. On Friday. B. On Saturday. C. On Sunday. 现在请听一段对话，完成第9至第10小题。 9. Where are they talking? A. At home. B. At school. C. In the street. 10. What should they do first? A. Follow the teacher. B. Wash the hands. C. Listen and watch. 现在请听一段对话，完成第11至第13小题。 11. What was the boy doing in the park? A. Riding a bike. B. Playing with a cat. C. Walking the dogs. 12. The boy hurt his head yesterday because A. he fell off the bike B. the dogs ran after him C. he had a car accident 13. The boy's mother A. hurt her arm B. stayed in hospital C. was all right 现在请听一段独白，完成第14至第16小题。 14. Which part is the most difficult one in the program? A. Searching. B. Collecting. C. Carrying. 15. What color cans are for waste? A. Pink. B. Blue. C. White. 16. What you hear might be A. an advertisement B. an introduction C. a piece of news 三、听一段对话，记录关键信息。(共8分，每小题2分) 请根据听到的内容和提示词语，将所缺的关键信息填写在答题卡的相应位置上。 知识运用(共27分) 四、单项填空(共15分。每小题1分) 从下面各题所给的A、B、C、D四个选项中，选择可以填入空白处的最佳选项。 21. My mother is a manager, and _________ works in Lenovo in Zhongguancun. A. she B. he C. her D. him 22. — Where's our library? — It's _________ the right side of the teacher's office. A. at B. for C. on D. in 23. — Must ! stay here with you? — No, you _________. Just do your own business.
2017年上海市高三二模数学填选难题 I.虹口 1 uiur uuu II.在直角△ ABC 中，A - , AB 1, AC 2 , M 是厶ABC 内一点，且AM —,若AM AB 2 2 则2的最大值为_____________ 12.无穷数列｛a n｝的前n项和为S n，若对任意的正整数n都有S n｛&, k?*?丄，心｝，a?的可能取值最多个 16.已知点M(a,b)与点N(0, 1)在直线3x 4y 5 0的两侧，给出以下结论：①3x 4y 5 0 ；②当 2 2 b 1 9 3 a b有最小值，无最大值；③ a b 1 ；④当a 0且a 1时，的取值范围是(，—)U(—, a 1 4 4 的个数是( ) A. 1 B. 2 C. 3 D. 4 2. 黄浦2017-4 uuir AC， a 0时, ).正确
11.三棱锥P ABC 满足：AB AC , AB AP , AB 2 , AP AC 4，则该三棱锥的体积 V 的取值范围是 12.对于数列｛可｝，若存在正整数T ，对于任意正整数n 都有a n 丁 3. 杨浦 a n 成立，则称数列｛a n ｝是以T 为周期的周期 数列，设b m （0 m 1），对任意正整数n 有b n ! 则m 的值可以是 _________ （只要求填写满足条件的一个 b n 1, b n 1 1 c 」 J 若数列｛b n ｝是以5为周期的周期数列, ,0 b n 1 b n m 值即可） 1，点P 是圆M 及其内部任意一点, uuu 且AP uuir xAD uuu yAE (x, y R ），则x y 取值范围是（ ） A. [1,4 2.3] B. [4 2、3,4 2 .3] C. [1,2 .3] D. [2 3,2 3] 16.如图所示， BAC —，圆M 与AB 、AC 分别相切于点 D 、E ，AD 3
北 京 市 西 城 区 九 年 级 模 拟 测 试 英语试卷 2020.6 知识运用（共 14 分） 一、单项填空（共 6 分，每小题 0.5 分） 从下面各题所给的 A 、B 、C 、D 四个选项中，选择可以填入空白处的最佳选项。 1. —May I use your phone, Sally? I left at home. —Sure, here you are. A. yours B. his C. hers D. mine 2. —Peter, where’s Mom? —She’s the kitchen. A. for B. in C. of D. on 3. I enjoy movies online at home on rainy days. A. watch B. to watch C. watching D. watched 4. How confident she looks! She be ready for the competition. A. need B. must C. can D. would 5. Hurry up, we will miss the best part of the show. A. or B. and C. but D. although 6. One of challenges for people is to believe in themselves. A. big B. bigger C. biggest D. the biggest 7. —Mary, leave today’s newspaper on the table, please. I it yet. —OK, Dad. A. won’t read B. am not reading C. haven’t read D. was not reading 8. If the lake continues to be protected, more fish in it over the next several years. A. there are B. there will be C. there were D. there have been 9. Tony and I table tennis once a week. He plays better than I do. A. play B. will play C. played D. have played 本试卷共 9 页，共五道大题，39 道小题。满分 60 分。考试时间 90 分钟。 在试卷和答题卡上准确填写学校、班级、姓名和学号。 试题答案一律填写在答题卡上，在试卷上作答无效。 在答题卡上，选择题用 2B 铅笔将选中项涂黑涂满，其他试题用黑色字迹签字笔作答。 考试结束时，将本试卷、答题卡一并交回。 1. 2. 3. 4. 5. 考 生 须 知
2017年北京市西城区中考英语二模试卷 一、听对话,从下面各题所给的A?B?C 三幅图片中选择与对话内容相符的图片?每段对话你将听两遍?(共5 分,每小题1 分) 1．（1分） 2．（1分） 3．（1分） 4．（1分） 5．（1分） 6．（3分）请听一段对话，完成第6 至第7 小题． 6．Where are the speakers？
A．On a bus． B．In a hospital． C．In a restaurant． 7．What is the most popular dish？ A．The soup． B．The fish． C．The salad． 8．（3分）请听一段对话，完成第8 至第9 小题．8．What was Amy playing in the photo？ A．The piano． B．The guitar． C．The violin． 9．What are the speakers going to do？ A．Take photos． B．Go to Australia． C．Have a concert． 10．（3分）请听一段对话，完成第10 至第11 小题．10．What did John ask Sally to do？ A．Come to the birthday party． B．Help him with his math problem． C．Be his partner for the class project． 11．What is Sally good at？ A．Drawing． B．Writing． C．Dancing． 12．（3分）请听一段对话，完成第12 至第13 小题．12．What are the speakers mainly talking about？A．Homework． B．Housework． C．A machine． 13．What will Jim probably do later？
2020年北京市西城区初三二模英语试卷 2020.06 知识运用(共14分) 一、单项填空(共6分，每小题0.5分) 从下面各题所给的A、B、C、D四个选项中，选择可以填入空白处的最佳选项。 1. -May I use your phone, Sally? I left _____ at home. -Sure, here you are. A. yours B. his C. hers D. mine 2. -Peter, where’s Mom? -She’s ________ the kitchen. A. for B. in C. of D. on 3. I enjoy _________ movies online at home on rainy days. A. watch B. to watch C. watching D. watched 4. How confident she looks! She _______ be ready for the competition. A. need B. must C. can D. would 5. Hurry up, ________ we will miss the best part of the show. A. or B. and C. but D. although 6. One of _________ challenges for people is to believe in themselves. A. big B. bigger C. biggest D. the biggest 7. -Mary, leave today’s newspaper on the table, please. I _______ it yet. -OK, Dad. A. won’t read B. am not reading C. haven’t read D. was not reading 8. If the lake continues to be protected, _______ more fish in it over the next several years. A. there are B. there will be C. there were D. there have been 9. Tony and I ________ table tennis once a week. He plays better than I do. A. play B. will play C. played D. have played 10. -Excuse me, can we check in now? -Just a moment please. I ________ a problem of our computer. A. fix B. fixed C. am fixing D. have fixed
北京市西城区2018年九年级模拟测试 英语试卷2018.5 知识运用(共14分) 一?单项填空(共6分，每小题0.5分) 从下面各题所给的A?B?C?D四个选项中，选择可以填入空白处的最佳选项? 1. —Jane，is this your bag? —No. bag is pink. A. I B. My C. Me D. Mine 2. Life the 1900s was very different from what it is now. A. in B. on C. from D. by 3. The horse is too old to run as as it did. A. fast B. faster C. fastest D. the fastest 4. Hurry up， we'll have to wait another two hours for the next train. A. and B. but C. or D. so 5. —Jim， do you go to the gym?You look fit. —Twice a week. A. how often B. how far C. how much D. how long 6. —Sam，I called you yesterday，but you were not at home. —Oh，I at my aunt's. A. am B. was C. have been D. will be 7. —Tomorrow my dad a big dinner for my birthday party. —Sounds great!Have a good time. A. cooks B. was cooking C. cooked D. will cook 8. —Why didn't you open the door for me just now? —Sorry，I a bath. A. will take B. am taking C. was taking D. take 9. —Have you seen the film Monkey King? —Yes. I it three times. It is so interesting. A. saw B. have seen C. will see D. am seeing 10. If you too much ice-cream，you will get sick. A. will eat B. were eating C. ate D. eat 11. —Do you know that 1,000,000,000 people are using WeChat? —Yes. It by more and more people around the world. A. accept B. accepted C. is accepted D. was accepted 12. —Dad，could you tell me next Sunday? —Nothing special. A. what you did B. what are you going to do C. what did you do D. what you are going to do 二?完形填空(共8分，每小题1分) 阅读下面的短文，掌握其大意，然后从短文后各题所给的A?B?C?D四个选项中，选择最佳选项? Throughout history，people have used jewelry(珠宝) to make their clothes look more special. Jewelry was，and still is，in fashion all over the world. Through the years，people have worn jewelry for different 13 :to make themselves look beautiful，to protect them from bad things，and to 14 how much money they have.
2017年上海市嘉定区高考数学二模试卷 一、填空题（本大题共有12题，满分54分，第1～6题每题4分，第7～12题每题5分）考生应在答题纸的相应位置直接填写结果． 1．函数y=2sin2（2x）﹣1的最小正周期是． 2．设i为虚数单位，复数，则|z|=． 3．设f﹣1（x）为的反函数，则f﹣1（1）=． 4．=． 5．若圆锥的侧面积是底面积的2倍，则其母线与轴所成角的大小是． 6．设等差数列{a n}的前n项和为S n，若=，则=． 7．直线（t为参数）与曲线（θ为参数）的公共点的个数是． 8．已知双曲线C1与双曲线C2的焦点重合，C1的方程为，若C2的一条渐近线的倾斜角是C1的一条渐近线的倾斜角的2倍，则C2的方程为． 9．若，则满足f（x）＞0的x的取值范围是． 10．某企业有甲、乙两个研发小组，他们研发新产品成功的概率分别为和．现安排甲组研发新产品A，乙组研发新产品B，设甲、乙两组的研发相互独立，则至少有一种新产品研发成功的概率为． 11．设等差数列{a n}的各项都是正数，前n项和为S n，公差为d．若数列也是公差为d 的等差数列，则{a n}的通项公式为a n=． 12．设x∈R，用[x]表示不超过x的最大整数（如[2.32]=2，[﹣4.76]=﹣5），对于给定的n∈ N*，定义C=，其中x∈[1，+∞），则当时，函数f（x）=C 的值域是． 二、选择题（本大题共有4题，满分20分，每题5分）每题有且只有一个正确选项．考生应在答题纸的相应位置，将代表正确选项的小方格涂黑． 13．命题“若x=1，则x2﹣3x+2=0”的逆否命题是（） A．若x≠1，则x2﹣3x+2≠0 B．若x2﹣3x+2=0，则x=1
北京市西城区2013年高三二模试卷 第一节单项填空（共15小题；每小题1分，共15分） 21. Mary is a humorous and warm-hearted woman and that is ______ she is a most popular person in her community. A. whether B. because C. how D. why 22. ---Where are the papers for the Smith project? ---They are in the folder ______ “S”. A. marking B. marked C. to be marked D. to mark 23. The movie Life of Pi is so attractive that it holds the audience’s curiosity ______ the story reaches the end. A. until B. before C. after D. when 24. ---______ you leave now? You only arrived an hour ago! ---Sorry, but so much homework is waiting for me. A. Must B. May C. Can D. Might 25. Taking regular exercise and eating a balanced diet are two important keys ______ good health. A. in B. from C. of D. to 26. Naturally a smile ______ the eyes participate is extremely communicative. A. to which B. in which C. at which D. with which 27. I’m just getting out of the city for a few days ________ some space and clear my head. A. gotten B. getting C. to get D. having gotten 28. With the audience _____ at her, the little girl felt nervous on the stage. A. staring B. to stare C. stare D. stared 29. ---Why wasn’t John hired for the job? ---I don’t know, but he _____. A. was B. had been C. should have D. should have been 30. It was today’s activity _____ let me know the importance of teamwork. A. where B. which C. that D. what 31. J.K. Rowling ______ writing Harry Potter at a local café because she could not afford to heat her home. A. started B. starts C. has started D. had started 32. ---Can I come after dinner? ---Yes, that’s fine. I ______ anything. A. don’t do B. won’t do C. won’t be doing D. am not doing 33. ---Do you know our school at all? ---No, this is the first time I ____ here. A. was B. have been C. came D. am coming 34. All the preparations for the task ______, and we’re ready to start. A. completed B. have completed C. will be completed D. have been completed 35. With increasing working pressure, Anthony has ______ time to spend with his friends than before. A. much B. more C. less D. least 第二节完形填空（共20小题；每小题1.5分，共30分） So tired as I was, I bothered myself to open up my café shop on the cold morning. With many consumers streaming in, I knew another long business day began. And I had to serve far into the night. As I rushed among the tables, suddenly, a 36 asked if I could mind a child. I was quite 37 but I could tell the man was quite desperate. So I had to make a 38 with him that if he wanted his son to stay and wait for him he had to 39 something in the shop. This was quite 40 for the man to do; I could 41 he was quite poor by the 42 he was dressed. It looked as if he had tried to come in his 43 clothes. But they still looked a bit old and worn out 44 he had often worn them, just to make himself look best. Looking down I could see his 45 were also a bit torn and the heels were in a terrible state. I thought he was going for a job interview. In the end he bought a small box of 46 for his little son and seated him down in the corner. I could tell the boy was feeling down and only could 47 with a bit of cheering up. Seeing that the kid sat there for quite a while, I was a bit 48 as the poor little kid was sitting 49 his own. People watched him and some kids even came over to pick on him. I was 50 to see one of them even knocked his cookies off the table. He quickly went and got them back without saying a word. I was hoping his father would 51
2020年北京市西城区高三二模试卷 英语 本试卷共11页，120分。考试时长100分钟。考生务必将答案写在答题卡上，在试卷上作答无效。考试结束后，将本试卷和答题卡一并交回。 第一部分:知识运用(共两节，45分) 第一节语法填空(共10小题;每小题1.5分，共15分) 阅读下列短文，根据短文内容填空。在未给提示词的空白处仅填写1个适当的单词，在给出提示词的空白处用括号内所给词的正确形式填空。 A Mia rushed home and threw open the front door. Her mother turned around, surprised that Mia was home from school so early. “I won first place in the art contest!” she said (1) pride and raised her head, expecting praise. Though Mia (2) (work) eagerly on her art submission for weeks, her mother wasn’t sure (3) the project involved. “That’s wonderful, Mia! What was the subject of your art project?” her mother asked. Smiling from ear to ear, Mia handed over her artwork. It was a portrait of her mother. B A study found that adults aged 18 to 33 checked their smartphones 85 times a day, or once every 10 minutes. As I learned during my experiment, (4) (place) some distance between myself and my device helped me devote myself to my work more (5) (easy). By not having my smartphone, my distraction (消遣) time went down and thus my work time (6) (spend) more efficiently and effectively. On numerous occasions, I found (7) (I) wondering what to do with the afternoon since I had already completed my high-impact tasks for the day. With the extra time, I can finally enjoy the pleasures of life. C