2014年朝阳区初三一模英语试卷

2014年朝阳区初三一模英语试卷
2014年朝阳区初三一模英语试卷

2015朝阳区高三一模化学试题及答案

北京市朝阳区高三年级第一次综合练习 理科综合化学试卷2015.4 可能用到的相对原子质量:H 1 C12 N 14 O 16 Na 23 Al 27 Cl 35.5 6.塑料的合理回收是再利用的关键,焚烧会产生大量HCl气体的是 7.下列物质的用途利用了其还原性的是 A.用葡萄糖制镜或保温瓶胆 B.用Na2S除去废水中的Hg2+ C.用NaHCO3治疗胃酸过多 D.用Na2SiO3溶液制备木材防火剂 8.下列解释事实的方程式不正确的是 A.铝热法炼铁: B.工业进行“氮的固定”: C.铅蓄电池充电时阴极反应: D.用铜和稀硝酸制备硝酸铜: 9.用灼烧法证明海带中含有碘元素,各步骤选用的实验用品不必都用到 10.如图为锌铜显示原电池装置图,下列说法不正确

A.电子由Zn极流向Cu极 B.该装置的总反应 C.一段时间后,A池带正电荷,B池带负电荷 D.取出盐桥,电流计指针不再偏转 11.根据元素周期律,由列事实进行归纳推测,推测不合理的是事实 12.下列①②对应的试剂(或条件)不能完成实验目的的是 25.(16分)高分子化合物ASAP和有机试剂H的合成路线如下:

⑴AA中含有一个氯原子,生成A的反应类型是 ⑵B中含有的官能团是 ⑶D与Ag(NH3)2OH与反应的化学方程式是 ⑷ASAP是制作尿不湿的材料,其结构简式是 ⑸N→X的化学方程式是 ⑹E有多种同分异构体,其中一种在相同条件下也能合成F,该同分异构体结构简式是 ⑺下列说法正确的是. a.1—丙醇的沸点比丙烯的高1 b.有机物M、X均存在顺反异构体 c.相同温度下,A的溶解度比B的小 ⑻F的相对分子质量为182,H的结构简式是 26.(14分) Cl2、漂白液(有效成分为NaClO)在生产、生活中广泛用于杀菌、消毒. ⑴电解NaCl溶液生成Cl2的化学方程式是 ⑵Cl 2溶于H2O、NaOH溶液即获得氯水、漂白液. ①干燥的氯气不能漂白物质,但氯水却有漂白作用,说明起漂白作用的物质是 ②25℃,Cl 2与H2O、NaOH的反应如下: 不直接使用氯水而使用漂白液做消毒剂的原因是 ⑶家庭使用漂白液时,不宜直接接触铁制品,漂白液腐蚀铁的电极反应为: ;发生的电极反应式是

2014年广东高考英语试题及答案(word版)

绝密★启用前试卷类型:A 2014年普通高等学校招生全国统一考试(广东卷) 英语 本试卷共12页,三大题,满分135分.考试用时120分钟 注意事项: 1. 答卷前,考生务必用黑色笔迹的钢笔或签字笔将自己的姓名和考生号、考场号、座位号填写在 答题卡上。用2B铅笔讲试卷类型(A)填涂在答题卡相应的位置上。将条形码横贴在答题卡右上角“条形码粘贴处”。 2.选择题每小题选出答案后,用2B铅笔把答题卡上学科网对应题目选项的答案信息点涂黑;如需改 动,用橡皮擦干净后,再选涂其他答案,答案不能答在试卷上。 3.非选择题必须用黑色字迹的钢笔或签字笔作答,答案必须写在答题卡各题目指定区域内相应位置 上;如需改动,先划掉原来的答案,然后再写上新的答案;不准使用铅笔和涂改液。不按以上要求作答的答案无效。 4.考生必须保持答题卡的整洁,考试结束后,将试题与答题卡一并交回。 I 语言知识及应用(共两节,满分45分) 第一节完形填空(共15小题;每小题2分,满分30分) 阅读下面短文,掌握其大意,然后从1—15各题所给的A、B、C和D项中,选出最佳选项,并在答题卡上将该项涂黑。 Parents feel that it is difficult to live with teenagers. Then again, teenagers have 1 feelings about their parents, saying that it is not easy living with them. According to a recent research, the most common 2 between parents and teenagers is that regarding untidiness and daily routine tasks. On the one hand, parents go mad over 3 rooms, clothes thrown on the floor and their children’s refusal to help with the 4 . On the other hand, teenagers lose their patience continually zxxkwhen parents blame them for 5 the towel in the bathroom, not cleaning up their room or refusing to do the shopping at the supermarket. The research, conducted by St. George University, shows that different parents have different 6 to these problems. However, some approaches are more 7 than others. For example, those parents who yell at their children for their untidiness, but 8 clean the room for them, have fewer chances of changing their children’s 9 . On the contrary, those who let teenagers experience the 10 of their actions can do better. For example, when teenagers who don’t help their parents with the shopping don’t find their favorite drink in the refrigerator, they are forced to 11 their actions. Psychologists say that 12 is the most important thing in parent-child relationships. Parents should 13 to their children but at the same time they should lend an ear to what

【英语】北京市朝阳区2015高三一模考试.docx

北京市朝阳区2015 届高三一模考试 英语试卷 一、单选题(共15 小题) 1.—Are you doing your homework? — No, I ‘ m writing a short play.It _____ at the Christmas party . A . will be put on B . will put on C. puts on D .is put on 2.In order to keep fit, the old man makes it a rule _____ for a walk after supper every day.A . going B. to go C. go D .gone 3.—Steve, the vacation is coming soon.Have you found a summer job yet? — I suppose I can work at the boy‘ s camp _____ I worked last. summer A . that B. where C. which D .what 4.Sally was excited to meet Susan at the party last night. They _____ each other since they graduated from Oxford University in 2010 . A . haven ‘ t seen B . hadn ‘ t seen C. didn ‘ t see D .don ‘ t see 5.—We‘ve only got this small bookcase―?will that do —No ._____ I was looking for was something much bigger and stronger . A . What B. Where C.That D .Which 6. I will wait _____ 6: 30, but then I . ‘ m going home A . from B. at C. after D .until 7.Studies show that people who have a glass of wine per day do better than _____ who don.A . that B . the one C. ones D .those 8.Oh!I can feel something _____ up my leg!It must be an insect. A . to climb B . climbing C. climb D .climbed 9.She doesn‘t speak our language, _____ she seems to understand what we.say A . for B. and C. yet D .or

【2013朝阳一模】北京市朝阳区2013届高三第一次综合练习 文综历史 Word版含答案

12.西汉初期,中央政府推行的国策是 A.休养生息 B.尊儒重道 C.重文轻武 D.海禁闭关 13. A.① B.③ C.②③ D.②④ 图6 14.明清王朝社会新旧交替,文化承古萌新。其中体现出“萌新”特征的是 ①《焚书》②《儒林外史》③《明夷待访录》④《海国图志》 A.①② B.①③ C.②④ D.③④ 15.他被称为晚清第一重臣,继曾国藩任直隶总督兼北洋通商大臣,掌管清政府外交、军事、经济大权,他毫无争议的成为19世纪世界史上一个重要人物。他主持并参与 A.签订中国与西方的第一个边界条约 B.创办晚清政府第一家近代军用企业 C.翻译《各国律例》,探究学习西方 D.推动从陆防到海防国防思想的转变 16.“俄北瞰,英西睒,法南瞬,日东耽。处四强邻之中者,岌岌哉!”危局之下,中国民众展开的将爱国救亡与追求社会进步紧密联系的运动是 A.太平天国运动 B.维新变法运动 C.义和团运动 D.五四运动 17.宋教仁曾言道:“窃以为世界有永远纪念之日三:一为美之(1776年)七月四号;一为法之(1789年)七月十四号;一即我中华民国之十月十号是也。”其用意在于 A.抨击专制皇权 B.推行总统共和 C.宣传民族独立 D.实现民主自由 18.“全中国都在动——从沿海漂流到内地,犹如混乱的涡流聚集在这个临时的首都……政府成员和共产党人同坐在一间会议室里,讨论制定共同作战计划。”这段文字出自美国作家安娜?雅各布对一场战争的叙述。这场战争是 A.护国运动 B.北伐战争 C.抗日战争 D.解放战争 19.这两次会议分别是中国共产党革命和建设时期的分水岭,实际上也是“左”倾错误在两个历史时期中的结束;是中国共产党对于中国革命和建设的规律由盲目走向自觉的转折点,是对新民主主义革命和社会主义建设规律的认识由不成熟到走向成熟的转折点。这两次会议是 ①中共二大②遵义会议③十一届三中全会④中共十四大 A.①② B.①④ C.②③ D.③④ 20.20世纪90年代的中国在政治、经济、科技、外交等诸多领域出现迅速发展的态势,社会面貌发生极大变化。下列说法正确的是

2016年北京市朝阳区高三一模英语试题及答案解析

C. A book. B. A magaz ine. C. In November. B. I n February. C. Some ink. B. A pen cil. B. In a post office. C. At a ticket office. B. She visited her sister. C. She watched a football game. C. A book. A 、B 、C 三个选项中选出最佳选项。 5秒钟的时间阅读每小题。听完后,每小题将给出 5秒钟的作答时间。每段对话或 后, 例: A. A n ewspaper. 答案是A 。 1. When does the rainy seas on start? A. In Janu ary. 2. What does the woma n n eed? A. A pen. 3. Where are the two speakers? A. In a supermarket. 4. What did the woma n do last ni ght? A. She saw a movie. 5. What are the two speakers talking about? A. Networks. B. Holidays. 第二节(共10小题;每小题1.5分,共15分) 听下面4段对话或独白。每段对话或独白后有几道小题,从每题所给的 听每段对话或独白前,你将有 独白你将听两遍。 听第6段材料,回答第6至7题。 6. Which of the followi ng is the lost girl? 30分) 节(共5小题;每小题1.5分,共7.5分) 听下面5段对话。每段对话后有一道小题,从每题所给的 A 、B 、C 三个选项中选出最佳选项。听完每段对话 你将有10秒钟的时间来回答有关小题和阅读下一小题。每段对话你将听一遍。 What is the man going to read? 第一部分:听力理解(共三节, 第士 北京市朝阳区2016年高三一模试卷 英语试卷 2016. 4 本试卷共12页,共150分。考试时长120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。 7. What does the man ask the woma n to do? A. Look for the girl by herself. B. Stay at the front of the store. 听第7段材料,回答第8至9题。 8. Why does the man call the compa ny? A. To give advice on the job. B. To express prefere nee for the job. 9. What is the duty of a marketi ng assista nt? A. Travelli ng around in the first six mon ths. B. Doing market research in differe nt cities. C. Collect ing in formatio n and writ ing reports. 听第8段材料,回答第10至12题。 10. What does the speaker suggest competitors do at first? A. Set up a team. B. Choose a topic. 11. What prize can the first-prize winners get? A. Notebook computers. B. Digital cameras. 12. When can the competitors get the result? A. On May 30th. B. On August 15th. 听第9段材料,回答第13至15题。 13. Why does the man take part in the race? A. He is in poor health. B. He is con fide nt of his stre ngth. 14. What does the man think of the young people no wadays? A. They don't get much exercise. B. They seldom watch games on TV. 15. What does the man suggest the woma n do? G C. Go back to the vegetable sect ion. C. To ask for in formati on about the job. C. Register for the competiti on. C. A trip to Australia. C. On October 1st C. He is setting an example for others. C. They love all kinds of popular sports.

2014年高考英语试题及答案全国卷2

2014年高考英语试题及答案全国卷2

2014年普通高等学校招生全国统一考试新课标II卷 英语 本试卷分第I卷(选择题)和第II卷(非选择题)两部分。考试结束后,将本试卷和答案卡一并交回。 注意事项: 1.答第I卷前考生务必将自己的姓名、准考证号填写在答题卡上。 2.选出每小题答案前,用2B铅笔把答题卡上对应题目的答案标号涂黑。如需改动,用橡皮擦干净后,再选涂其他答案标号框,不能答在本试卷上,否则无效。 第一部分阅读理解(共两节,满分40分) 第一节(共15小题;每小题2分,满分40分) 阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。并在答题卡上将该选项涂黑. A Arriving in Sydney on his own from India, my husband, Rashid, stayed in a hotel for a short time while looking for a short time while looking for a house for me and our children.

During the first week of his stay, he went out one day to do some shopping. He came back in the late afternoon to discover that his suitcase was gone. He was extremely worried as the suitcase had all his important papers, including his passport. He reported the case to the police and then sat there,lost and lonely in strange city, thinking of the terrible troubles of getting all the paperwork organized again from a distant country while trying to settle down in a new one. Late in the evening, the phone rang. It was a stranger. He was trying to pronounce my husband’s name and was asking him a lot of questions. Then he said they had found a pile of papers in their trash can(垃圾桶)that had been left out on the footpath. My husband rushed to their home to find a kind family holding all his papers and documents. Their young daughter had gone to the trash can and found a pile of unfamiliar papers. Her parents had carefully sorted them

2015朝阳一模英语试题及答案

2015朝阳一模 第一部分:听力理解(共三节,30分) 1. What will the speakers probably do? A. Buy a road map. B. Drive home. C. Ask for help. 2. Where do the speakers plan to meet? A. Outside the Town Hall. B. In the bank. C. At the cinema. 3. What is the woman planning to do? A. Go to have a coffee. B. Get a haircut. C. Go to the man’s home. 4. What will the weather in Paris be like in the coming week? A. Rainy. B. Warm. C. Sunny. 5. When is the clinic open? A. From Monday to Friday. B. During the whole week. C. At weekends. 第二节(共10小题;每小题1.5分,共15分) 听第6段材料,回答第6至7题。 6. What is the man’s feeling after his job interview? A. Anxious. B. Desperate. C. Hopeful. 7. How many people were able to go to the second interview? A. Four. B. Twelve. C. Sixteen. 听第7段材料,回答第8至9题。 8. Where does this conversation take place? A. At a stadium. B. At an exhibition. C. At a theatre. 9. Why does the man stop the woman? A. Her dog is behaving badly. B. She has no ticket for her dog. C. It’s against the rule s to bring a dog in. 听第8段材料,回答第10至12题。 10. What are the speakers mainly talking about? A. Family relationships. B. Children’s education. C. Family members. 11. What did the woman do with her father when she was young? A. Went to the park. B. Played basketball. C. Saw movies. 12. What does the woman advise the man to do next weekend? A. Have a barbecue at his home. B. Visit her house with his children. C. Go to the park together with his children. 听第9段材料,回答第13至15题。 13. Who is the speaker most likely to be?

2018北京朝阳一模理综试题及解析完美WORD版

2018北京市朝阳区高三(一模) 理综 2018.3 (考试时间150分钟满分300分) 本试卷共17页,共300分。开始时长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:H1 N14 O16 K39 Ar40 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。 1.以下实验选材不能达到实验目的的是() 利用鸡红细胞进行DNA的粗提取 利用蛙红细胞观察细胞有丝分裂 利用猪红细胞制备纯净的细胞膜 利用羊红细胞进行细胞吸水失水实验 2.单细胞浮游植物杜氏盐藻是最耐盐的光合生物之一。研究发现,K+浓度对杜氏盐藻的生长繁殖具有重要作用。下列说法合理的是() A.每天需定时对杜氏盐藻逐个计数以绘制生长曲线 B.4mmol/L的K+对杜氏盐藻生长繁殖具有抑制作用 C.杜氏盐藻的高耐盐性是其与环境共同进化的结果 D.若将K+替换成Na+,则得到的实验结果也是一定相同 3.荧光定量PCR技术可定量检测样本中某种DNA含量。其原理是:在PCR反应体系中每加入一对引物的同时加入一个与某条模板链互补的荧光探针,当Taq的酶催化子链延伸至探针处,会水解探针,使荧光监测系统接收到荧光信号,即每扩增一次,就有一个荧光分子生成。相关叙述错误的是() A.引物与探针均具特异性,与模板结合时遵循碱基互补配对原则 B.Tap酶可以催化子链沿着3’→5’方向延伸,需dNTP作为原料 C.反应最终的荧光强度与起始状态模板DNA含量呈正相关

D.若用cDNA作模板,上述技术也可检测某基因的转录水平() 4.下丘脑的CRH神经元兴奋后可分泌肾上腺皮质激素释放激素CRH(一种含41个氨基酸的神经肽),促进垂体分泌促肾上腺皮质激素,进而促进肾上腺皮质分泌肾上腺皮质激素。研究发现下丘脑-垂体-肾上腺轴的功能紊乱,可使CRH神经元过度兴奋,导致CRH分泌增多,为抑郁症的成因之一。下列叙述错误的是 A.正常状态下,兴奋在神经元之间以电信号的形式进行单向传递 B.CRH的合成、加工需要多种细胞器协调配合,分泌方式为胞吐 C.健康人血液中肾上腺皮质激素增多时会增强对下丘脑的抑制 D.可以通过调控CRH基因或受体的表达水平等方法治疗抑郁症 5.在首钢集团冀东矿区的生态恢复研究中,研究者比较了不同种植年份的人工油松林和人工火炬林的生态效益,结果如下。() 林龄(年)群落群落总盖度(%)草本层盖度(%)草本层优势种 2 火炬60 45 猪毛嵩、狗尾草 油松30 20 猪毛嵩、狗尾草 5 火炬75 70 铁杆嵩、隐子草 油松40 35 茭嵩、紫苑 7 火炬90 40 早熟禾 油松70 65 铁杆嵩、早熟禾 11 火炬100 5 无 油松90 80 白羊草、隐子草 注:群落总盖度指一定面积内植物覆盖地面的百分率;草本层盖度指一定面积内草本植物覆盖地面的百分率以下叙述合理的是 A.火炬群落在短期内可以迅速提高植被盖度,增加了生物量,促进了能量循环 B.油松群落经过演替形成了乔木-灌木-草本的水平结构,此结构逐渐完善 C.群落丰富度指数越高,生态系统的自我调节能力越弱 D.综合上述信息,火炬林长期的生态效益远不及油松林 6.吉州窑黑釉木叶纹盏是中华名瓷,传统制作过程如下。其中以化学反应为主的是 A.踩泥 B.拉坯 C.上釉 D.烧制 7.下列事实不能 ..用元素周期律解释的是 A.碱性:NaOH>Al(OH)3B.相对原子质量:Ar>K C.酸性:HClO4>HIO4D.稳定性:H2O>H2S

2018北京市朝阳区高三(一模)地理

2018北京市朝阳区高三(一模) 地理 注意事项: 1.本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分。答题前,考生务必将自己的姓名、考生号填写在答题卡上。 2. 回答第Ⅰ卷时,选出每小题的答案后,用铅笔把答题卡上对应题目的答案标号涂黑,如需改动,用橡皮擦干净后,再选涂其他答案标号。写在试卷上无效。 3. 回答第Ⅱ卷时,将答案填写在答题卡上,写在试卷上无效。 4. 考试结束,将本试卷和答题卡一并交回。 第Ⅰ卷 本卷共35小题。每小题4分,共140分。在每个小题给出的四个选项中,只有一项是符合题目要求的。 北京时间2017年9月15日19时55分卡西尼号土星探测器发出的最后信号被地球接收。土星的黄赤交角为26.73°,图1为土星照片。据此完成第1-2题。 1.土星 A. 与地球和木星相邻 B. 光环为无数小卫星发射光线所致 C. 表面温度较地球高 D. 出现极昼的最低纬度较地球低 2. 最后信号 A. 被地球接收时,旧金山(37°48′N,122°25′W)所在时区的时间为15日3时55分 B. 被地球接收时,孟买(18°56′N,72°49′E)已进入黑夜 C. 被地球接收后的一周内,珀斯(31°52′S,1l5°53′E)正午的日影变长 D. 被地球接收后的一周内,北京升旗时间越来越早 2018 年1月7 日撒哈拉沙漠边缘的艾因塞弗拉镇降下了38 年来的第三场雪,该地前两次降雪分别在2016年和2017 年。专家认为,该地近年来出现的降雪与北极地区海冰融化加快致使欧洲寒潮增强有关。图2为相关地区多年1月等压线形势示意图,图3为艾因塞弗拉镇所在地区地形图。读图,完成第3-4题。

2014年全国卷高考英语试卷及答案

2014年普通高等学校招生全国统一考试(浙江) 英语试题 选择题部分(共80分) 第一部分:英语知识应用(共两节,满分30分) 第一节:单项填空(共20小题,每小题0.5分,满分10分) 从A、B、C和D四个选项中,选出可以填入空白处的最佳选项,并在答题纸上将该选项标号涂黑。 1. ---I am going to Spain fort a holiday soon. --- ______. A. It’s my pleasure B. Never mind C. Leave it alone D. Good for you 2. The paper is due next month, and I am working seven days ______ week, often long into ______ night. A. a; the B. the; 不填 C. a; a D. 不填;the 3.An average of just 18.75cm of rain fell last year, making ______ the driest year since California became a state in 1850. A. each B. it C. this D. one 4.Joe is proud and ______, never admitting he is wrong and always looking for someone else to blame. A. strict B. sympathetic C. stubborn D. sensitive 5.I don’t become a serious climber until the fifth grade, ______ I went up to rescue a kite that was stuck in the branches of a tree. A. when B. where C. which D. why 6.We most prefer to say yes to the ______ of someone we know and like. A. attempts B. requests C. doubts D. promises https://www.360docs.net/doc/6d7454786.html,st week a tennis ball hit me on the head, but I tried to _______ the pain, believing that it would go away sooner or later. A. share B. realize C. ignore D. cause 8.“Every time you eat a sweet, drink green tea.” This is _____ my mother used to tell me. A. what B. how C. that D. whether 9.No matter how carefully you plan your finances, no one can _____ when the unexpected will happen. A. prove B. imply C. demand D. predict 10.While staying in the village, James unselfishly shared whatever he had with the villagers without asking for anything ______ . A. in return B. in common C. in turn D. in place 11.Sofia looked around at all the faces: she had the impression that she _____ most of the guests

2019朝阳一模及答案

2019 年北京市朝阳区初三一模英语试卷 2019.05 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.- Hi, Mike, is this ________ story book? - Oh, yes. It 's a birthday gift from my uncle. A.my B. your C. his D. her 2.Peter 's father works _______ a big hospital. And he is a good doctor. A. in B. on C. from D. of 3.Nancy is a good student. She studies hard ________ she likes to help others. A. or B. so C. but D. and 4.- ________ have you worked in this factory? - For about 5 years. A. How often B. How much C. How long D. How many 5.Beijing, the capital of China, is one of ________ cities in the world. A. modern B. more modern C. most modern D. the most modern 6.Jack will send you an e-mail as soon as he ________ in London. A. arrives B. arrived C. is arriving D. will arrive 7.Mum ________ the window in the kitchen when I got home yesterday. A. cleans B. will clean C. was cleaning D. is cleaning 8.I ________ Mr. Smith since he moved to Shanghai.

2014年北京高考英语试题与答案

2014年高考英语试题以及答案 第二部分:知识运用(共两节,45 分) 第一节单项填空(共15 小题;每小题1 分,共15 分) 从每题所给的ABCD 四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。 例:It’s so nice to hear from her again. , we last met more than thirty years ago. A. What’s more B. That’s to say C. In other words D. Believe it or not 答案是D。 21. Some animals carry seeds from one place to another, ______ plants can spread to new places. A. so B. or C. for D. but 22. ---Hi, let’s go skating. --- Sorry, I’m busy right now. I _______ in an application form for a new job. A. fill B. have filled C. am filling D. will fill 23. Jane is in a hurry because the train to the airport leaves _______ half an hour. A. by B. in C. for D. until 24. ________carefully if any change occurs when doing experiments in the lab..

2013年北京市朝阳区中考数学一模试卷及答案(word解析版)

北京市朝阳区2013年中考数学一模试卷 一、选择题(共8道小题,每小题4分,共32分)下列各题均有四个选项,其中只有一个是符合题意的.请用铅笔把“机读答题卡”上对应题目答案的相应字母处涂黑. 2.(4分)(2013?朝阳区一模)中国航空母舰“辽宁号”的满载排水量为67500吨.将数67500 3.(4分)(2013?朝阳区一模)把4张形状、质地完全相同的卡片分别写上数字1,2,3,4,再将这些卡片放在一个不透明的盒子里,随机从中抽取1张卡片,则抽取的卡片上的数字为 B ∴抽取的卡片上的数字为奇数的概率是=

4.(4分)(2013?朝阳区一模)北京2013年3月的一周中每天最高气温如下:7,13,15, 5.(4分)(2013?朝阳区一模)如图所示,直线l1∥l2,∠1=40°,则∠2为() 6.(4分)(2013?朝阳区一模)如图,⊙O的半径为5,AB为弦,OC⊥AB,垂足为C,若OC=3,则弦AB的长为()

= =47.(4分) (2013?朝阳区一模)二次函数y=(x ﹣1)2 +3的顶点在( ) y= 8.(4分)(2013?朝阳区一模)如图,矩形ABCD 的两条对角线相交于点O ,∠BOC=120°,AB=3,一动点P 以1cm/s 的速度延折线OB ﹣BA 运动,那么点P 的运动时间x (s )与点C 、O 、P 围成的三角形的面积y 之间的函数图象为( ) B

AB= ? = ? 二.填空题(共5道小题,每小题4分,共20分) 9.(4分)(2013?朝阳区一模)如果2是方程x2﹣mx+6=0的一个根,那么m=5. 10.(4分)(2013?朝阳区一模)因式分解:2x2﹣18=2(x+3)(x﹣3).

(推荐)2016年北京市朝阳区高三一模化学试卷(带解析)

2016年北京市朝阳区高三一模化学试卷(带解析) 满分: 班级:_________ 姓名:_________ 考号:_________ 一、单选题(共7小题) 1. 中国传统文化对人类文明贡献巨大,古化文献中充分记载了古代化学研究成果。下列关于KNO3的古代文献,对其说明不合理的是() A.A B.B C.C D.D 2. N2(g)与H2(g)在铁催化剂表面经历如下过程生成NH3(g):

下列说法正确的是() A.Ⅰ中破坏的均为极性键 B.Ⅳ中NH2与H2生成NH3 C.Ⅱ、Ⅲ、Ⅳ均为放热过程 D. N2(g)+3H2(g)2NH3(g) △H>0 3. 下列检测方法不合理的是() B.B C.C D.D A.A 4.某厂用Na 除掉苯中的水分。某次生产误将甲苯当做苯投进反应釜中,由于甲苯中含水量少,最后反应釜还残留大量的Na。下列处理方法更合理、更安全的是() A.打开反应釜,将Na 暴露在空气中与氧气反应

B.向反应釜通入Cl2,Na 在Cl2中燃烧生成NaCl C.向反应釜加大量H2O,通过化学反应“除掉”金属钠 D.向反应釜滴加C2H5OH,并设置放气管,排出氢气和热量 5. 《常用危险化学用品贮存通则》规定:“遇火、遇热、遇潮能引起燃烧、爆炸或发生化学反应,产生有毒气体的化学危险品不得在露天或在潮湿、积水的建筑物中贮存”。下列解释事实的方程式中,不合理的是() A.贮存液氮的钢瓶防止阳光直射:N2+O22NO B.硝酸铵遇热爆炸:2NH4NO32N2↑+O2↑+4H2O↑ C.干燥的 AlCl3遇水产生气体:AlCl3+3H2O==Al(OH)3+3HCl↑ D.火灾现场存有电石,禁用水灭火:CaC2+2H2O→Ca(OH)2+C2H2↑ 6. 下列“试剂”和“试管中的物质”不.能.完成“实验目的”的是() B.B C.C D.D A.A

2014年全国高考英语试题及答案

2014年普通高等学校招生全国统一考试(新课标I) 英语 第二部分阅读理解(共两节,满分60分) 第一节(共15小题;每小题3分,满分45分) 阅读下列短文,从每题所给的四个选项(A、B、C、和D)中,选出最佳选项,并在答题卡上将该项涂黑。 A The Cambridge Science Festival Curiosity Challenge Dare to Take the Curiosity Challenge! The Cambridge Science Festival (CSF) is pleased to inform you of the sixth annual Curiosity Challenge. The challenge invites, even dares school students between the ages of 5 and 14 to create artwork or a piece of writing that shows their curiosity and how it inspires them to explore their world. Students are being dared to draw a picture, write an article, take a photo or write a poem that shows what they are curious about. To enter the challenge, all artwork or pieces of writing should be sent to the Cambridge Science Festival, MIT Museum, 265 Mass Avenue. Cambridge 02139 by Friday, February 8th. Students who enter the Curiosity Challenge and are selected as winners will be honored at a special ceremony during the CSF on Sunday, April 21st. Guest speaker will also present prizes to the students. Winning entries will be published in a book. Student entries will be exhibit and prizes will be given. Families of those who take part will be included in the celebration and brunch will be served. Between March 10th and March 15th, each winner will be given the specifics of the closing ceremony and the Curiosity Challenge celebration. The program guidelines and other related information are available at: https://www.360docs.net/doc/6d7454786.html,. 21 Who can take in the Curiosity Challenge? A. School students. B. Cambridge locals. C. CSF winners. D. MIT artists. 22 When will the prize-giving ceremony be held? A. On February 8th. B. On March 10th C. On March 15th.. D. On April 21st. 23 What type of writing is this text? A. An exhibition guide. B. An art show review. C. An announcement. D. An official report.

相关文档
最新文档