粘老鼠板胶怎么洗掉,去除精华版—北京光辉世纪2014

粘老鼠板胶怎么洗掉,去除精华版—北京光辉世纪2014
粘老鼠板胶怎么洗掉,去除精华版—北京光辉世纪2014

粘老鼠板胶怎么洗掉,去除精华版—北京光辉世纪2014

粘老鼠板胶具有很强的粘性及持粘性,这个特性决定了其清洗的难度,由于胶粘对象不同,各种粘老鼠板胶构成成份的差异,每个人拥有清洗工具和材料的差异,因此清洗的方法是多种多样的,不可能千篇一律,也就是说没有一种通用的方法可以遵循,清洗前,要了解该胶的组成成份,根居相似相溶原理,找到相关性强的溶剂即可,有时特殊成份的粘老鼠板胶得用特殊的溶剂清洗才行,清洗原则是不能给原有的物品或衣服造成二次损害,或致皮肤过敏或中毒,根椐身边现有的清洗材料因地制宜地灵活使用和发挥,想办法以最少的时间,以最低的成本,最省力的办法达到最大的清洗效果,还可以采用各种土办法解决问题,清洗时不要急于求成,视情况而定,有的清洗过程式要达到一定的时间,有的要清理多次才能达到效果。粘老鼠板胶大多是脂类的胶,只要用溶解脂类的有机溶剂就可以清洗大部分的粘老鼠板胶,象平时见到的汽油或香蕉油,橄榄油,茶油,风油精等等都有溶解脂类的功能,可以拿来使用,使用完要及时用水清洗,以达到无害化,如果使用对人体有毒性的溶剂清洗时,要采取必要的防护措施,如戴上橡皮手套和口罩,同时还要看洗净效果如何,清洗到什么程度,最好的效果是恢复如初,当然了凡事要适可而止,如果实在清洗不掉时,象一些贵重的家俱,物品,衣服不要免强去清理,要咨询相关专业性的人员进行清理。

一:粘在皮肤和头发部位粘老鼠板胶的清洗方法

1:如果不小心让该胶粘到头发上,可以用刺激性小的橄榄油,茶油去檫,再用洗头水洗掉,

2:如果少量的粘到手或皮肤上,擦点风油精就掉了,如果粘得稍多,可以选一些不怎么刺激皮肤的有机水溶剂来清洗,可选用汽油,橄榄油,卸妆油,香蕉水,用碱液也可以,将上述材料涂在有黏胶的地方等一会,再轻轻地揭下,最后用温热的清水或洗手液冲一下。

3:如该胶粘到皮肤或手时,用布沾色拉油或天麸罗油小心去除,并用肥皂和洗涤剂洗去。

4:把手在油中浸泡几分钟,拿出来后,用洗衣粉洗,

二:粘在衣服和鞋上粘老鼠板胶的清洗方法1:衣服上的老鼠胶视程度而定,轻者用少许香蕉水涂抹在胶上,稍候片刻进行搓揉,反复进行就可清除胶。

2:根椐衣服的面料定清洗的方法,利用胶的剥离强度随温度变化的特点,把粘上胶的衣服在冰箱冷冻柜里放两个小时左右,就可以把胶从衣服上揭下来了,如果还留有痕迹的话,可再用洗衣液洗一下,如果面料是不怕熨烫的衣服,可以先拿白毛巾或白纸铺在粘胶的部位,来回熨烫几分钟,粘在衣服上的胶就可以粘贴到白毛巾上或白纸上了,如果还有痕迹的话,再用洗衣液洗一下,当然了,这种方法清理的效果,跟衣服的材质有关。

3:可以在污渍处的反面贴上冰块,使黏到胶的地方被凝固,然后才用手剥掉,留下来的些少痕迹可以用松节油或指甲油,除光液浸泡一会儿,然后揉擦,如果衣料是合成纤维的话则改用挥发油擦。

4:用面粉放在上面搓,不要用力太大,再放入冰箱中速冻,取出来掰掉,如还有部分粘鼠胶粘在衣服上,可用洗衣粉加面粉用水泡洗5:把沾的多的胶先剪了,剩下的用汽油,纯香蕉水或酒精先用洗一会儿,洗去大部份胶,再倒上洗衣粉和餐具洗洁精,多搓几下把剩余的洗掉。

但是,汽油对于衣物是不起保护的作用的,汽油对于粘上时间长的胶的去除是没有效果的。

6:粘老鼠板的胶是一种树脂胶,只要用溶解树脂的有机溶剂就可以,比如丙酮,但吸入丙酮有毒,注意使用方法,使用时戴上口罩,手套,可用丙酮或香蕉水滴在胶渍上,同时用旧牙刷不断搅刷,待胶渍变软从织物上脱下后,再用清水漂洗,一次不成,可反复刷洗数次,终可洗净,含醋酸纤维的织物切勿用此法,避免损伤衣物面料。

8:被子和布上的老鼠胶

煤油比稀料啊,汽油等都有要好,在清洗的过程中对被子和布不会产生破坏性,洗完后用水再洗干净,你在通风的地方撩一会就没有气味了的

9:羽绒服的老鼠胶

羽绒服粘到粘老鼠板胶后清洗时要小心细致,该胶一般都是丙烯酸酯、环氧树脂以及聚氨酯系列的加强胶,用有机溶剂以及酒精、汽油才能清除,但是羽绒服染色剂一般也是有机物,用这些清洗会造成衣服脱色,所以只能用上述物品做低限度的清洗,其余的去干洗店买点羽绒服专用的喷渍剂,少量喷在衣服上用干净的干毛巾擦拭即可。

10:鞋上的老鼠胶

先使用大量卸妆油,牙膏,甘油,洗甲水抹在胶粘的部位呆一段时间,然后用刷子刷,根椐鞋子的材料选择操作时间和力量,如果黏胶部位过多不要急于一次处理干净,可先一次大面积清理,小地方再另行处理。

三:粘在地板和家俱上粘老鼠板胶的清洗方法

1:根椐地板的材质确定清洗方法,最好少用破坏性的溶剂类,先用刮具轻轻刮掉多余的胶块,再用热水擦擦,如果还有顽固的没掉,用酒或者酒精擦一下,有条件的话,往上面滴一点华润多功能去胶剂,然后再擦。或用点油,丙酮抹匀了那块地方,然后可以铲掉刮掉,也试试一些有腐蚀性的东西,但是不要太强的腐蚀,以上方法虽然管用,但是也要细心一些,如果一些贵重的地板或红木家具一类的粘胶,尽量找一些专业的售后或者除污公司来解决。

2:木器上沾上胶,用棉签粘醋,风油精,汽油,香蕉水中的任意一种均匀涂抹在胶上来回刮擦。

3:一般动物玩具都是合成纤维制成,上面的粘鼠胶可以用石油醚、高标号汽油、丙酮、油漆商店的天那水等任何有机溶剂溶解清洗4:粘老鼠板的胶粘到沙发的靠背上,可用丙酮或香蕉水滴在胶渍上,用刷子不断地反复刷洗,再用清水漂洗,一次不成,可反复刷洗数次。如果是布的沙发,可以用华润多功能去胶剂滴上去,然后用刷子刷掉,如果是真皮最好不要用清洗剂,清洗剂对真皮有害,面积小的话就慢

慢搓掉,面积大的话,先用刮具刮掉表面的胶,然后就用真皮滋润霜进行擦洗。

四:粘在宠物上粘老鼠板胶的清洗方法

1:首先要弄清楚清洗剂里的溶剂成分是什么,是否会让宠物产生过敏或致毒性,最保险的办灶是把粘有胶的毛剪掉,以后会长出新的毛来的,至于宠物脚上可弄一点玉米面给宠物糊上,等粘胶的部位新陈代谢就会蜕掉这层老皮,还可以采用土办法,用生鸡蛋清去除宠物毛上多的粘胶,多洗几次,最后在用香皂把鸡蛋清洗去,也许会有效。不过不管执行哪一种方法都必须确保宠物的生命迹象稳定,以免处理过程中宠物失温或脱水。

2:拿了棉花倒上了卸装油,橄榄油给宠物擦拭,再用洗涤剂,洗碗精,最好用无味无害的洗涤精进行清洗,最后用温水冲一下。

3:如果宠物粘上粘鼠板,可用下列办法解决。

先使用大量食用油或卸妆油涂抹在被黏住的部位或全身,黏胶遇上大量的油,会形成乳化作用,用手指继续柔搓,黏胶就会慢慢可以剥落下来,直接倒在胶上面,湿润润的搓它,油的份量一定要能覆盖过胶,效果才好。接着用大量面粉涂抹来包附油脂,再用洗毛精或沙拉脱清洗,多一步使用面粉的步骤在清洗上会较省力,也能减少犬猫不适的时间。

请注意操作过程勿让犬猫食入油脂、面粉和清洁剂,并且操作时间不能过长,如果黏胶部位过多可做分次处理。

不可使用1.松香水2.去渍油3.去光水,以上物品含有丙酮等有毒性化

学性质将对於犬猫身体造成严重影响,不能不谨慎,以免从教援反而变成伤害。

4:应该利用相似相溶原理,都是有机物,用少许汽油或者风油精都可以的,也可以使用松节油,溶剂汽油,酯类等,例如用香蕉水,不过如果不想买上述材料的话,还可以使用香蕉皮擦,然后再用洗发水和水洗的办法清除胶迹。

2015年北京高考英语试题及答案

2015 年普通高等学校招生全国统一考试 英语(北京卷) 本试卷共16页,共150分。考试时间为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。 第一部分:听力理解(共三节:30 分) 第一节(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。听完每段对话后,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。 例:What is the man going to read? A.A newspaper B.A magazine C.A book 答案是A What kind of music does the woman like? A.Classical music B. Rock music C.Country music 2. Which sweater will the man take? A.The red one B。The blue one C. The yellow one 3.How will the man pay? A.In cash B.By credit card C.By traveler’s cheque 4.Where are the woman’s keys? A.In her pocket B.On the floor C.On the table 5.What will the man probably do tonight? A.Read Chapter 4 B.Study in the library C.Watch the football match 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A、B、C三个选项中选出最佳选项。听每段对话或独白前,你将有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。每段对话或独白你将听两遍。 听第6段材料,回答第6至7题。 6.What is the relationship between the two speakers? A.Travel agent and customer B.Husband and wife C.Boss and secretary 7.When will the meetings end? A.At3:00pm. B.At 5:00pm. C.At 6:30pm. 听第7段材料,回答第8至9题。 8.Where is the foreign language section? A.In Row 3. B.In Row 5. C.In Row 7 9.What does the man decide to borrow? A.Novels. B.Biographies. C.Magazines 听第8段材料,回答第10至12题。 10.Why dose the man make the call? A.To ask for information B.To make an appointment

2014高考英语(北京卷)完形填空真题含答案详解

2014年高考英语(北京卷)完形填空真题含答案详解 The Fitting-in of Suzy Khan The first time I saw Suzy Khan, I knew I had to help her. She was really small for her age of 12. The boys in my class often 1_ about her and laughed their heads off. She would open a book, pretending to read, with tears dropping on the open page. All I knew was that she was an orphan (孤儿) from Africa. She had just been adopted by a family in town who 2 that the best way for her to learn American ways of life was to be with American kids. I looked down at this 3_ girl and promised myself that somehow I would help her. But how could I help her 4 in with us? There had to be a 5_ . One day, when I went into the classroom, I saw that Suzy had 6 her geography book to a picture of a train, and in her notebook, she had made a(n) 7_ copy. I was surprised and thought that she could do something in the coming 8_ show. So, I took her to see the art teacher, Miss Parker, and showed her what Suzy had 9_ . “why, it’s wonderful,” said Miss Parker, who the n showed us a poster she had painted 10_ the talent show. “I need more of these, but I just don’t have enough11 . Could you help me, Suzy?” On the day of the talent show, Suzy’s 12 were everywhere ---- all over the hall and all over the school, each one different. “And finally,” said Mr. Brown, the schoolmaster, at the end of the show, “we have a (n)_13_award. I’m sure you’ve all noticed the wonderful posters.” Everyone nodded. “One of our own students 14 them.” I could hear everyone whispering. “Who in our school could draw 15 well?” Mr. Brown waited a while before saying, “ 16 this student worked so hard on the posters, she deserves a 17 ,too. Our mystery(神秘) artist is our new student ---- Suzy Khan!” Mr. Brown thanked her for all the wonderful posters and gave her a professional artist’s set. “Thank you,” she cried. I 18 , at that time when I was looking at her excited face, she’d probably never 19 anything in her whole life. Everyone started to 20 their hands. Suzy Khan gave them a shy smile and the applause was deafening. I knew then Suzy was going to be all right.

(完整word版)2014年北京高考英语试题及答案详解,推荐文档

2014年普通高等学校招生全国统一考试及答案 英语(北京卷) 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A、B、C、D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.. A. Observe B. To observe C. Observed D. Observing 25. Last night, there were millions of people _______ the opening ceremony live on TV. A.watch B. to watch C. watched D. watching 26. I borrow the book Sherlock Holmes from the library last week, ______ my classmates recommended to me.. A.who B. which C. when D. Where 27.________ I have a word with you? It won’t take long. A. Can B. Must C. Shall D. Should 28. There are still many problems ______ before we are ready for a long stay on the Moon. A. solving B. solved C. being solved D.to be solved 29._______ the forest park is far away, a lot of tourists visit it every year. A. As B. When C. Even though D. In case 30. The best moment for the football star was _______ he scored the winning goal. A. where B. when C. how D. why 31.—What time is it? —I have no idea. But just a minute, I ______ it for you. A. check B. checked C. will check D. would check 32. I found the lecture hard to follow because it _______ when I arrived. A. started B. was starting C. would start D. had started 33.Some people believe _______ has happened before or is happening now will repeat itself in the future. A. whatever B. whenever. C. whereever D. however 34. We __________ back in the hotel now if you didn’t lose the map. A. are B. were C. will be D. would be 35.The film star wears sunglasses. Therefore, he can go shopping without ______.. A. recognizing B. being recognized C. having recognized D. having been recognized 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 Fitting-in of Suzy Khan The first time I saw Suzy Khan, I knew I had to help her. She was really small for her age of 12. The boy in my class often 36 about her and laughed their heads off. She would open a book, pretending to read, with tears dropping on the open page. All I knew was that she was an orphan (孤儿) from Africa. She had just been adopted by a family in town who 37 that the best way for her to learn American ways of life was to be with american kids. I looked down at this 38 girl and promised myself that somehow I would help her. But how could I help her 39 in with us? There had to be a 40 . One day, when I went into the classroom, I saw that Suzy had 41 her geography book to a picture of a train, and in her notebook, she had made a(n) 42 copy. I was surprised and thought that she could do something in the coming 43 show. So, I took her to see the art teacher, Miss Parker, and showed her what Suzy had 44 . “why, it’s wonderful,” said Miss Parker, who then showed us a poster she had painted 45 the talent show. “I need more of these, but I just don’t have enough 46 . Could you help me, Suzy?” On the day of the talent show, Suzy’s 47 were everywhere ---- all over the hall and all over the school, each one different. “And finally,” said Mr Brown, the schoolmaster, at the end of the show, “we have a (n) award. I’m sure you’ve all noticed the wonderful posters.” Everyone nodded. “One of our own students 49 them.” I could hear everyone whispering. “Who in our school could draw 50 well?” Mr. Brown waited a while before saying, “51 this student worked so hard on the posters, she deserves a

2014年中考化学试卷-最终版

2014年北京市高级中等学校招生考试 化 学 试 卷 学校 姓名 准考证号 H 1 C 12 N 14 O 16 Na 23 S 32 Ca 40 Cu 64 Zn 65 一、选择题(每小题只有1个选项符合题意。共25个小题,每小题1分,共25分) 1.空气成分中,体积分数最大的是 A .氧气 B .氮气 C .二氧化碳 D .稀有气体 2.下列金属活动性最强的是 A .Mg B . Ag C .Cu D . Zn 3.下列食物富含蛋白质的是 A .米饭 B .黄瓜 C .牛肉 D .苹果 4.下列物质在氧气中燃烧,产生大量白烟的是 A .木炭 B .甲烷 C .蜡烛 D .红磷 5.决定元素种类的是 A .电子数 B .质子数 C .中子数 D .最外层电子数 6.下列物品所使用的主要材料属于有机合成材料的是 A .塑料瓶 B .纯棉衣服 C .玻璃杯 D .羊毛围巾 7.氢氧化钙可用于改良酸性土壤,其俗称是 A .小苏打 B .熟石灰 C .生石灰 D .纯碱 8.为了防止骨质疏松,人体必须摄入的元素是 A .钙 B .铁 C .锌 D .碘 9.下列方法能鉴别空气、氧气和二氧化碳3瓶气体的是 A .闻气味 B .将集气瓶倒扣在水中 C .观察颜色 D .将燃着的木条伸入集气瓶中 10.下列数据是一些物质的pH ,其中呈碱性的是 (9~11) (5~6) (4~5) (2~3) A .液体肥皂 B .西瓜汁 C .酱油 D .柠檬汁

11.能闻到花香的原因是 A.分子的质量很小B.分子间有间隔 C.分子在不断运动D.分子由原子构成 12.下列措施中,不能 ..防止铁制品锈蚀的是 A.喷漆B.镀一层耐腐蚀的金属 C.制成不锈钢D.存放在潮湿的空气中 13.下列物质放入水中,能形成溶液的是 A.面粉B.牛奶C.食盐D.植物油 14.下列物质必须密封保存的是 A.木炭B.浓盐酸C.石灰石D.氯化钠 15.下列实验操作正确的是 A.稀释浓硫酸B.倾倒液体C.称量固体D.过滤 16.下列符号能表示2个氧分子的是 A.O2B.2O C.2O2D.2O2- 17.下列不属于 ...新能源的是 A.潮汐能B.太阳能C.风能D.石油 18.下列化学方程式书写正确的是 P2O5 A.2P+5O B.2KMnO4K2MnO4 + MnO2 + O2↑ C.2CO + O2 === 2CO2 D.H2SO4 + NaOH === NaSO4 + H2O 19.下列物质的用途中,利用其物理性质的是 A.干冰用作冷冻剂B.硫酸用于处理碱性废液 C.氧气用于气焊D.生石灰用作干燥剂 20.用下列装置进行实验,不.能.达到实验目的的是 A.干燥CO2B.收集O2C.验证CO2性质D.监控气体流速

2010年高考英语试题及答案(北京卷)

绝密★使用完毕前 2010年普通高等学校招生全国统一考试(北京卷) 英语试卷 本试卷共15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。 第一部分:听力理解(共三节,30分) 第一节(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。听完每段对话后,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。 1. What does the man want to be in the future? A. A soldier. B. A lawyer. C. A teacher. 2. What does the girl want? A. Sweets. B. Books. C. Pencils. 3. When did the two speakers plan to meet Jane? A. At2:00. B. At2:15. C. At2:30. 4. what will the woman do tonight? A. Go to the park. B. Play basketball. C. Work at a bookstore. 5. what is the woman doing? A. Offering help. B. Asking for information. C. Making an introduction. 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A、B、C三个选项中选出最佳选项。听每段对话或独白前,你将有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。每段对话或独白你将听两遍。听第6段材料,回答第6至7题。 6. Where do the two speakers work? A. At a store. B. At a hotel. C. At a school.

2018年高考英语北京卷

徐老师 北京市2018年普通高等学校招生全国统一考试 英语 (满分120分,考试时间100分钟) 第一部分: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) 1.—Hi,I'm Peter.Are you new here?I haven't seen you around? —Hello,Peter.I'm Bob.I just________on Monday. A.start B.have started C.started D. had started 2.__________we don't stop climate change,many animals and plants in the world will be gone. A.Although B.While C.If D. Until 3.__________along the old Silk Road is an interesting and rewarding experience A.Travel B.Traveling C.Having traveled D.Traveled 4.Susan had quit her well-paid job and________as a volunteer in the neighborhood. When I visited her last year A.is working B.was working C.has worked D.had worked 5.She and her family bicycle to work,__________helps them keep fit A.which B.who C.as D.that 6.During the Mid-Autumn Festival,family members often gather together__________ a meal,admire the moon and enjoy moon cakes. A.share B.to share C.having shared D.shared 7.China's high-speed railways__________from9,000to25,000kilometers in the past few years. A.are growing B.have grown C.will grow D.had grown 8.In any unsafe situation,simply________the button and a highly-trained agent will get you the help you need. A.press B.to press C.pressing D.pressed 9.A rescue worker risked his life saving two tourists who__________in the mountains

2014年北京英语高考听力试题及原文

(北京卷)2014 年普通高等学校招生全国统一考试英语 第一部分:听力理解(共三节:30 分) 第一节(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,听完每段对话后,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。 例:What is the man going to rend? A. A newspaper B. A magazine C. A book 答案是A 1. What juice does the man order? A. Lemon B. Apple C. Orange 2. What subject does the man like best? A. History. B. Biology. C. Chemistry. 3. Where is the woman from? A. Britain. B. Russia. C. America. 4. What kind of student bus pass does the woman want? A. Weekly. B. Monthly. C. Yearly. 5. What are the two speakers going to nuy for Mary’s birthday? A. A bicycle. B. A pen. C. A book. 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A、B、C 三个选项中选出最佳选项。听每段对话或独白前,你将有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。每段对话或独 白你将听两遍。 听第6 段材料,回答第6 至7 题。 6. What’s wrong with the woman ? A. She has a cough. B. She has a headache. C. She has a fever. 7. How long is the medicine for? A. One day. B. Two days. C. Three days. 听第7 段材料,回答第8 至9 题。 8. What does the woman need? A. Some ink. B. A printer. C. Some paper. 9. What problem does the man have? A. He can’t send a text m essage.. B. He can’t hear the woman clearly. C. He can’t be back to the office soon. 听第8 段材料,回答第10 至12 题。

2020北京市中考化学试卷(WORD版及答案)

北京市高级中等学校招生考试 化学试卷 一、选择题(每小题只有一个选项符合题意。共25个小题,每小题1分,共25分) 1.空气成分中,体积分数约占21%的是 A .氧气 B .氮气 C .二氧化碳 D .稀有气体 2.地壳中含量最多的非金属元素是 A .氧 B .硅 C .铝 D .铁 3.下列物质中,属于纯净物的是 A .石灰水 B .空气 C .生铁 D .干冰 4.下列物质在氧气中燃烧,产生大量白烟的是 A .木炭 B .铁丝 C .酒精 D .红磷 5.下列物质放入水中,能形成溶液的是 A .牛奶 B .面粉 C .蔗糖 D .花生油 6.下列生活用品所使用的主要材料,属于有机合成材料的是 A .青花瓷瓶 B .塑料水杯 C .纯棉毛巾 D .不锈钢锅 7.碳酸钠是重要的化工原料,其俗称为 A .纯碱 B .烧碱 C .生石灰 D .熟石灰 8.碳元素与氧元素的本质区别是 A .质子数不同 B .电子数不同 C .中子数不同 D .最外层电子数不同 9.下列物质露置于空气中,质量不变的是 A .石灰水 B .氧化钠 C .浓盐酸 D .浓硫酸 10.下列符号中,表示2个氢原子的是 A .H 2 B .2H C .2H + D .2H 2 11.下图所示的化学实验基本操作中,正确的是 A .倾倒液体 B .称量固体 C .检查气密性 D .加热液体 12.下列物质中,能作磷肥的是 A .NH 4HCO 3 B .CO(NH 2)2 C .K 2CO 3 D .Ca(H 2PO 4)2

13.喝牛奶可以补钙,这里的钙指的是 A.分子B.原子C.元素D.单质 14.下列数据是相应物质的近似pH,其中一定呈碱性的是 (6.5~7.5) (4.0~4.4) (2.0~3.0) (9.5~10.5) A.饮用水B.番茄汁C.柠檬汁D.液体肥皂 15.次氯酸钠(NaClO)是某种家用消毒液的主要成分,其中氯元素的化合价为A.+5B.+3C.+1D.-1 16.下列安全措施不正确的是 A.燃放烟花爆竹时,远离人群和可燃物 B.天然气泄漏,立即关闭阀门并开窗通风 C.燃着的酒精灯不慎碰倒,立即用湿布盖灭 D.正在使用的家用电器着火,立即用水浇灭 17.右图是元素周期表中硫元素的信息示意图,对图中信息解释不正确的是A.质子数为16B.原子序数为16 C.属于金属元素D.相对原子质量为32.06 18.下了各种物质的用途中,利用了其物理性质的是 A.氧气用于气焊B.干冰用于人工降雨 C.盐酸用于除铁锈D.小苏打用于治疗胃酸过多 19.下列各组气体中,不能用燃着的木条区分的是 A.氧气和空气B.二氧化碳和氮气 C.甲烷和空气D.一氧化碳和二氧化碳 20.压瘪的乒乓球放入热水中重新鼓起,是因为球内的气体分子 A.体积增大B.质量增大C.间隔增大D.个数增多 21.医用热敷袋使用时要轻揉,袋内的反应可看作是铁粉、空气和水相互作用,产生氢氧化亚铁[Fe(OH)2],最终转化为氢氧化铁[Fe(OH)3]。下列说法不正确的是 A.热敷袋放出的热量是由化学反应产生的 B.总反应为2Fe+O2+3H2O=2Fe(OH)3 C.上述含铁物质中铁元素的化合价有0、+2、+3 D.热敷袋中的铁粉与水在未使用时要分别密封保存 序号实验目的实验过程 ①证明变质取少量溶液,滴加盐酸,将生成的气体通入石灰水 ②确定成分取少量溶液,加入石灰水,过滤,向滤液中滴加酚酞溶液 ③测定纯度取一定量溶液,加入盐酸,用氢氧化钠固体吸收气体,称量 ④除去杂质取溶液,滴加石灰水至恰好完全反应,过滤 23.氢氧化钴[Co(OH)2]受热易分解,能与酸性溶液反应,可作涂料和清漆的干燥剂,制备方法为:①Co+2HCl=CoCl2+H2↑②CoCl2+2NaOH=Co(OH)2↓+2NaCl下列判断正确的是 A.钴的金属活动性比铜的弱B.①为置换反应②为复分解反应 C.氢氧化钴的化学性质稳定D.氢氧化钴可以干燥氯化氢气体 24.向一定量某固体中逐滴加入某溶液至过量,x轴表示加入溶液的质量。

2015年高考英语北京卷及答案(精品资料).doc

【最新整理,下载后即可编辑】 2015年普通高等学校招生全国统一考试(北京卷) 英语 本试卷共16页,共150分。考试时间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。 第一部分听力(共三节, 满分30分) 做题时, 先将答案标在试卷上。录音内容结束后, 你将有两分钟的时间将试卷上的答案转涂到答题卡上。 第一节(共5小题; 每小题1.5分, 满分7.5分) 听下面5段对话。每段对话后有一个小题, 从题中所给的A、B、C三个选项中选出最佳选项, 并标在试卷的相应位置。听完每段对话后, 你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 例: What is the man going to read? A. A newspaper B. A magazine C. A book 答案是A ( )1. What kind of music does the woman like? A. Classical music. B. Rock music. C. Country music. ( )2. Which sweater will the man take? A. The red one. B. The blue one. C. The yellow one. ( )3. How will the man pay? A. In cash. B. By credit card. C. By traveler’s cheque. ( )4. Where are the woman’s keys? A. In her pocket. B. On the floor. C. On the table. ( )5. What will the man probably do tonight? A. Read Chapter 4. B. Study in the library. C. Watch the football match. 第二节(共10小题; 每小题1.5分, 满分15分) 听下面4段对话或独白。每段对话或独白后有几个小题, 从题中所给的A、B、C三个项中选出最佳选项, 并标在试卷的相应位置。听每段对话或独白前, 你将有时间阅读各个小题, 每 小题5秒钟; 听完后, 各小题将给出5秒钟的作答时间。每段对话

2014年北京高考英语试题及答案

绝密★启封并使用完毕前 2014年普通高等学校招生全国统一考试 英语(北京卷) 本试卷共16页,共150分。考试时间为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。 第一部分:听力理解(共三节:30分) 第一节(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,听完每段对话后,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。 例: What is the man going to rend? A. A newspaper B. A magazine C. A book 答案是 A 1. What juice does the man order? A. Lemon B. Apple C. Orange 2. What subject does the man like best? A. History. B. Biology. C. Chemistry. 3. Where is the woman from? A. Britain. B. Russia. C. America. 4. What kind of student bus pass does the woman want? A. Weekly. B. Monthly. C. Yearly. 5. What are the two speakers going to nuy for Mary’s birthday? A. A bicycle. B. A pen. C. A book. 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 A、B、C 三个选项中选出最佳选项。 听每段对话或独白前,你将有 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 独白你将听两遍。 听第 6 段材料,回答第 6 至 7 题。

2013年北京高考英语试题及答案

2013 年北京高考英语试题 第一部分:听力理解(共三节,30 分) 第一节(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,听完每段对话后,你将有10 秒钟的时间来回答有关小题和阅读下一小题。 例:What is the man going to rend? A. A newspaper B. A magazine C. A book 答案是A 1. What room does the man want? A. Sinple B. Double C. Twin 2. What will the man buy? A. Vegetables B. Meat C. Bread 3. What does the man plan to do? A. Go fishing B. Go jogging C. Go camping 4. How much is the change? A. $8 B. $ 42 C. $50 5. What’s the weather like this afternoon? 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A、B、C 三个选项中选出最佳选项。听每段对话或独白前,你将有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。每段对话或独白你将听两遍。 听第6 段材料,回答第6 至7 题。 6. When will the woman go to see the movie? A. Friday. B. Saturday C. Sunday 7. Where will the woman sit for the movie? A. In the front. B. In the middle C. At the back 听第7 段材料,回答第8 至9 题。 8. When will the two speakers meet? A. On the 13th B. On the 14th C. On the 15th 9. What is the man doing? A. Persuading the woman to accept his suggestion. B. Making an apology to the woman. C. Inviting the woman to lunch. 听第8 段材料,回答第10 至12 题。 10. Where are the two speakers? A. In the library. B. In the café. C. In the classroom

2014北京中考化学及答案

2014北京中考化学及答案

2014年北京市高级中等学校招生考试 化学试 可能用到的相对原子质量 H 1 C 12N14 016 Na 23 Zn 65 一、、选择题(每小题只有t 1 1 ?空气 A.氧气B ? 2 ?下列金属活动性最强的是 A. M 3?下列食物富含蛋白质的是亠 卄屮 A.米饭B.黄瓜C.牛肉D 苹果 4 £木|质在氧烷中燃 尧蜡产生大苹烟的是 决定子数种类的是B.质子数C ?中子数 D.最外层电子数 6.下列物品所使用的主要材料属于有机合成材料 的 是、 、 一 A.塑料瓶 B.纯棉衣服C ?玻璃杯 D.羊毛围巾 7?氢氧化钙可用于改良酸性土壤,其俗称是 A.小苏打 B.熟石灰C ?生石灰 D 纯碱 8为了防止骨质疏松,人体必须摄入的元素是 A.钙 B.铁 C.锌 D.碘 9 .下列方法能鉴别空气、氧气和二氧 A ?闻气味 在水中 C.观察颜色 S 32 Ca 40 Cu 64 一、选择题(每小题只有1 ^个选项符合题意?共 25个小题,每小题1分,共25分) 1 ?空气成分中,/体积分数最大的是 ”4—亠 A.氧气 B 氮气一 C 二氧化碳 D ?稀有气体 B-Ag ,佥坠 D Zn D.纯碱 B ?[铁:C ?锌.「D.〔碘 化碳3瓶气体的是 、 A ?闻气味 B.将集气瓶倒扣 在水中 C ?观察颜色 D 将燃着的木条 伸入集气瓶中是一些物质的pH ,其中呈碱性的是 (9~11) +1 (5~B )心 (X5) A. 液体肥皂 B. 西瓜汁 C. 酱油 KF (2-3) M D. 柠檬

冃分子的花质量变原小因B.分子间有间隔 C 分子在不断运动 D.分子由原子构成 12. 下列措施 中,不能防止 铁制品锈蚀的是 C 制漆不锈钢 13. 下列物质放入水中 A.面粉P 牛血 14. 下列物质必须密封保存的是 A.木炭B.浓盐酸 化钠 15. 下列实验操作正确的是 固体 D.过滤 16?下列符号能表示2个氧分子的是 A. B. 2Q C. 2 D 2Q 2- Q 2 Q 2 17. 下列不属于新能源的是 油潮汐能.. _ 「 ................... 18. 下 A. 2P+5Q 2 D 镀放层耐腐的的金属 " ,能倏端白右曰. D 液植是油 C 石灰石 D ?氯 11.厶 A. .潮汐能? ? B.太阳能C .风能D 石 下列化燃学方程式书写正确的是 点燃 p Q △ 2MnQ+ MnQ 2 + Q 2 f ? A.稀释浓硫酸 B.倾倒液体 C 称量

2015年北京高考英语试题解析(含精校试题+解析)

2012年课标全国卷高考真题解析样稿示例 第一节单项填空 21. A9 【2015·课标北京卷】___________ the early flight, we ordered a taxi in advance and got up every early. A. Catching B. Caught C. To catch D. Catch 【答案与解析】C 考查非谓语动词。根据语境,―为了赶上早航班,我们提前订了出租车‖,用不定式表示目的,此处需要目的状语。所以,选C。 22. A11 【2015·课标北京卷】—Did you enjoy the party? —Yes, we __________well by our hosts. A. were treated B. would be treated C. treated D. had treated 【答案与解析】A 考查动词时态和语态。根据上下文,这里谈的事举行过的一次聚会,应该用过去时,再加上―我们是被主人招待的‖,所以综合考虑,这里需要用过去时的被动式,选A. 23. A9【2015·课标北京卷】The park was full of people, _____________ themselves in the sunshine. A. having enjoyed B. enjoyed C. enjoying D. to enjoy 【答案与解析】C 考查非谓语动词。enjoying为现在分词做状语,充当句子的伴随状语,与前面的people形成逻辑上的主谓关系。所以选C。 24. A15【2015·课标北京卷】Opposite is St. Paul’s Church, __________ you can hear some lovely music. A. which B. that C. when D. where 【答案与解析】D 考查定语从句。空格前面是一个表示地点的专有名词St. Paul’s Church,其后的定语从句中有主语和谓语,缺失的是表示地点的状语,相当于―在这个教堂里‖,所以选D。 25. A6 【2015·课标北京卷】He is a shy man, ___________ he is not afraid of anything or anyone. A. so B. but C. or D. as 【答案与解析】B 考查并列句的连接词。根据语境,“他是个腼腆的人,但他并不怕任何事或任何人”。but用来连接并列但语义对比的两个句子。 26. A11【2015·课标北京卷】In the last few years, China __________ great achievements in environmental protection. A. has mad B. had made C. was making D. is making 【答案与解析】A 考查动词时态。根据时间状语in the last few years可知,在最近的几年里,是从过去到现在的情况,所以用现在完成时。 27. A11 【2015·课标北京卷】—Did you have any difficulty finding Ann’s house? —Not really. She _______________ us clear directions and we were able to find it easily. A. was to give B. had given C. was giving D. would give

相关文档
最新文档