白皮书参考答案
英语白皮书答案五年级下
英语白皮书答案五年级下以下是我整理的有关于英语白皮书答案五年级下，仅供参考：I. 单项选择(15分)1. Mr Johnson _________ a child at the start of the 1950s.A. isB. areC. wasD. were2. -How about the young lady?-It’s hard to say, but her voice _________ beautiful.A. soundsB. hearsC. listensD. smells3. The temperature was below zero. It was difficult to _________ the car.A. moveB. gotC. beginD. start4. John Lennon and Paul _________ the main songwriters of the Beatles in 1960s.A. areB. isC. wasD. were5. -What do you usually do on Sundays?-We _________ at the guitar group.A. enjoyB. have good timesC. enjoy ourselvesD. like ourselves6. -May I help you with some jeans, sir?-Yes, I’d like to try on the blue _________.A. pairB. oneC. twoD. ones7. More and more people in Beijing can talk and write _________ English.A. forB. withC. inD. to8. George’s records _________ very successful after the Beatles.A. wasB. wereC. areD. is9. It’s getting dark, _________ they’re still working.A. andB. butC. soD. or10. In 1960s, the Beatles were Mr Green’s favorite singers, but now he _________ like them.A. don’tB. doesn’tC. didn’tD. /II. 完形填空(10分)It’s a 1 Sunday morning. Mr and Mrs Green are going to the People’s Park with 2 daughter, Ann. At 8 o’clock they go to the park 3 bus. On the bus there are a lot of people, men, women and 4 . Some are Americans. Some are 5 . Others are Japanese. They are going to 6 , too.There are 7 Chinese on the bus. One is a woman. She’s drivingthe bus. The other is a teacher in a middle school. He 8 English very well. He’s now talking about the park. The people are 9 him. They want to get there quickly. They hope to 10 there today!1. A. good B. fine C. well D. bad2. A. his B. her C. their D. theirs3. A. by B. in C. on D. after4. A. boys B. girls C. babies D. children5. A. American B. Chinese C. Japanese D. Englishman6. A. Tian’anmen Square B. the Summer PalaceC. the People’s ParkD. the Great Wall7. A. one B. two C. three D. many8. A. says B. speaks C. talks D. reads9. A. listening to B. seeing C. hearing D. looking for10. A. be friends B. see a good filmC. have a good timeD. buy somethingIII. 阅读理解(20分)AOne morning Mr and Mrs Brown get up very early. After they have breakfast, they go shopping at seven thirty. They get to theshop at seven fifty. In the shop they see a lot of clothes. Mrs Brown likes them. So she buys a shirt for her son, a skirt for her daughter, and a sweater for Mr Brown. She buys a blouse for herself, too.The shopping bag is full now. Mr Brown looks at his watch. Then he says, “Oh, it’s twelve o’clock. I think we must go home now. It’s quite late.”So they go out of the shop and begin to go home, but they lose their way.Mr Brown drives along the street. He can’t find the way. Then he drives over to an old man and asks, “Excuse me. Where am I?”The old man looks at him and their car. “You’re in your car, sir.”he says.1. Mr and Mrs Brown go shopping _________.A. by busB. by bikeC. on footD. by car2. They buy some _________ in the shop.A. foodB. drinkC. clothesD. cars3. They are in the shop for about _________.A. ten minutesB. four hours and a halfC. four hours and ten minutesD. five hours4. In the story“lose their way”means _________.A. 迷路B. 问路C. 没有办法D. 按原路5. Does the old man help them?A. Yes, he does.B. No, he doesn’t.C. I think so.D. We don’t know.BJim, Kate and Mingming are doing their homework together. Jim’s spelling of “Monday”is wrong. Kate tells him about it. Mingming doesn’t have an eraser. She wants to borrow one from Jim or Kate. Jim gives it to Mingming. The three children are students in Class 3, Grade 1 of No. 11 Middle School in Beijing. Jim is from the UK. Kate is from the USA. Mingming is a Chinese girl. The three students are good friends. They often do homework together and play together. They often help each other.6. Jim is _________.A. an English girlB. an American girlC. an English boyD. an American boy7. Kate helps Jim with _________.A. his spellingB. an eraserC. a rulerD. a coloured pencil8. Mingming borrows _________.A. an eraser from KateB. an eraser from JimC. a ruler from KateD. a ruler from Jim9. The three students are _________.A. not in the same gradeB. in the same classC. in the UKD. at the shop10. The three students are _________.A. doing some readingB. playing gamesC. doing their homeworkD. cleaning the roomIV. 单词拼写(10分)1. The Beatles were A_________.2. Jim Morrison was a singer and a s_________.3. Jerry Gareia was the l_________ of the band The Grateful Dead.4. It was the first Chinese s_________ with a pilot living and working in it.5. There was an a_________ movie with Jackie Chen.6. He was the _________(吉他手)of the famous band.7. After the Beatles, John Lennon was _________(的)as a solo artist.8. Many of his songs were about _________(和平).9. There were many sections of the _________(展览).10. How was the trip to _________(博物馆)?V. 句型转换(10分)1. There were many students outside.(改为否定句)There _________ _________ students outside.2. The weather was fine.(对画线部分提问)_________ _________ the weather?3. There are many tall buildings in this city.(用in the past改写句子)There _________ many tall buildings in this city in the past.4. This passage comes from a magazine.(对画线部分提问)_________ _________ this passage _________ from?5. how old, in 2000, was, your grandfather(连词成句)____________________________________.【答案】I. 1-5 CADDC 6-10 DCBBBII. 1-5 BCADB 6-10 CBBACIII. 1-5 DCCAB 6-10 CABBCIV. 1. Americans 2. songwriter 3. leader 4. spacecraft5. action6. guitarist7. successful8. peace9. exhibition 10. museumV. 1. weren’t, many 2. How, was 3. were4. Where, does, come5. How old was your grandfather in 2000?。
中南林业科技大学大二英语期末考(听力白皮书答案+新视野教材课后翻译和完形答案1、2、3、5、6、7单元)
Unit one1.D2.B3.A4.D5.D6.B7.C8.A9.C 10.C 11.D 12.A 13.BReceive frequently nature sacrifice privilege curiousMarried dressedHe then changed into overalls and spent the next eight hours as a dustman.Alf did this for over two years and his fellow dustman kept his secret.But he feels that his rise in status is well worth the loss of money.Unit two1.A2.B3.C4.A5.A6.D7.C8.A9.D 10.C 11.B 12.DPopular historical prints instruments permitted established destroyedIn 1897,the library moved into its own building across the street from the Capitol.The library provides books and materials to the US Congress and also lends books to other American libraries, government agencies and foreign libraries.Anyone who wants copyright protection for a publication in the US must send 2 copies to the library.Unit three1.B2.D3.B4.A5.A6.B7.D8.C9.B 10.D 11.A 12.A 13.BDesire chances impulse obvious commit phenomenon attitudes acceptable Topics such as death were once considered so upsetting and unpleasant that it was a taboo to even talk about the fact.In the work world most companies prefer youthful looking, trim-executives to sell their image as well as their products to the public.After all, people think, how can people who care about themselves, and therefore the way they look, permit themselves to become so fat?Unit four1.A2.B3.C4.B5.A6.B7.A8.B9.C 10.D 11.C 12.AProfessionals interests leisure address locations create comfortable relatives Sending e-mail is far cheaper than making long-distance calls and it may revive the almost lost art of letter writing.E-mailing brings people together and makes the world even smaller.Unit five1.C2.A3.B4.B5.C6.B7.C8.C9.A 10.A 11.A 12.D 13.BEffort officials negotiate balanced competition exchange process environmental These “greenhouse gases” trap heat in the atmosphere and are blamed for changing the world’s climate.But currently nations producing 44％have approved the protocol.To join the WTO, a country must reach trade agreements with major trading countries that are also WTO members.Unit six1.D2.C3.A4.D5.C6.B7.A8.B9.C 10.D 11.A 12.BHoliday observed celebrating ancient France communicate recognize receiver Early settlers from England brought April Fooling to the American colonies.A radio announcer told listeners the government would return everyone’s taxes.Unit seven1.A2.B3.B4.A5.D6.B7.C8.B9.C 10.A 11.B 12.D 13.AFormer aimed billion coordination specialists grants addressThey’re likely to drop out of school and less likely to succeed in life.The program, invited by president Clinton, has become under criticism by the Congress. Dozens of colleges and universities are prepared to send thousands of their students in support of the program.Unit eight1.C2.D3.A4.B5.C6.A7.D8.D9.B 10.B 11.D 12.AEducation reached southern necessary with copies urge classworkMany have their own areas on the world wide web.Its web site provides information about the school , the teachers and their electronic mail address. Unit nine1.C2.C3.A4.C5.D6.D7.B8.A9.A 10.D 11.D 12.B 13.BTopic exaggerated confusing compete application handling widespread calculationAnother example of the same sort of process has been the use of computers by banks to provide up-to-date records of client’s accounts.The most successful example is perhaps the use of computers by airlines to control seat reservation and provide information about flights.One could take a series of photographs of the area from which, the amount to the rise and fall of the landscape can be analyzed within a few inches.Unit ten1.D2.D3.B4.D5.C6.B7.A8.C9.D 10.C 11.D 12.CDocument challenging considerable likely volunteers memorizing subject control The video-watchers experienced a downturn in the antibody.They can help nerve cells handle information and put it into storage.新视野大学英语（第二版）读写教程4课后翻译原题与答案Unit 11. 这种植物只有在培育它的土壤中才能很好地成长。
2022年下半年全国教师资格考试物理学科笔试白皮书含答案解析
第一章考情分析按照教育部的统一部署，2022年下半年全国中小学教师资格考试预计为10月底进行笔试，物理学科知识与教学能力《初级中学》及《高级中学》考题预计将延续以往的命题思路，作答时间依旧为120分钟，试卷满分150分；初中考题题型为单项选择题、简答题、案例分析题、教学设计题四个愿型，高中考题题为单项选择题、计算题、案例分析题、教学设计题四个题型；初中考试内容包含初中物理、高中物理、大学物理、课标与教学论四个模块，高中考试内容包含高中物理、大学物理、课标与教学论三个模块。
现就2021年下班年全国教师资格考试《物理学科知识与教学能力》（初级中学）及全国教师资格考试《物理学科知识与教学能力》（高级中学）基本考情总结如下：1.试卷结构分析学段笔试时间总分值考试类型题量和分值试卷分值占比初级中学120分钟150分单项选择题共8题，每题5分，共40分26.7%简答题共2题，每题10分，共20分13.3%案例分析题共2题，第11题20分，第12题30分，共50分33.3%教学设计题共2题，第13题12分，第14题28分，共40分26.7%高级中学120分钟150分单项选择题共8题，每题5分，共40分26.7%计算题共1题，共20分13.3%案例分析题共2题，第11题20分，第12题30分，共50分33.3%教学设计题共2题，第13题12分，第14题28分，共40分26.7%2.各知识模块题型题量占比各模块知识点模块学段题型知识点分值占比物理学科知识初级中学单项选择题压强、凸透镜成像规律、光的折射和色光、质点运动学、静电平衡、理想气体状态方程、动量与冲量、电磁感应定律40%案例分析题欧姆定律高级中学单项选择题库仑定律、牛顿第二定律、刚体转动、洛伦兹力、变压器46.67%案例分析题电场强度、三种宇宙速度计算题质点运动学物理教学论初级中学简答题课程理论、课程目标、课程内容、实施建议、教学方法、教学原则、规律课教学、教学评价60%案例分析题教学设计、教学评价教学设计题教学设计高级中学案例分析题教学设计、教学评价53.33%教学设计题教学设计小结：1.近三年初中以及高中考查学科知识的主体均为高中物理知识，其中初中包含了部分初中物理知识以及在选择题中可能会出现的少量大学知识，高中在选择题和计算题中都包含了部分大学物理知识。
六年级下册语文白皮书答案
六年级下册语文白皮书答案1、64. 下列选项中,句式与其它三项不相同的一项是: （）[单选题] *A、南阳刘子骥，高尚士也。
(正确答案)B、全石以为底C、卷石底以出。
D、林尽水源。
2、1《将进酒》这首诗的主旨句是“天生我材必有用，千金散尽还复来”。
[判断题] *对(正确答案)错3、1自我介绍关系到能否给人一个良好的“第一印象”，因此在自我介绍时可以适当夸大自己取得的成绩。
[判断题] *对错(正确答案)4、下列选项中加着重号字注音有错误的一项是（）[单选题] *A、红缯zēng 紫绡xiāoB、龟裂guī记载zài(正确答案)C、贮藏zhù焦核héD、宠幸chǒng 炫耀xuàn5、1“锲而舍之，朽木不折；锲而不舍，金石可镂”一句与原文不一致。
[判断题] *对(正确答案)错6、成语完形：（）然开朗[单选题] *豁(正确答案)突天盲7、21. 下列句子中没有语病的一项是（）[单选题] *A．临近期末，同学们的学习态度和学习成绩都有很大的提高。
B．中餐的推广使豆腐日益受到各国的欢迎是可以预期的。
C．我们一定要跳出惯性思维，提高思想认识，着力保护生态环境，促进经济转型。
(正确答案)D．通过哈桑的誓言“为你，千千万万遍”，使我懂得了朋友间友谊的珍贵。
8、1概要复述类似写作中的缩写，需要对原材料进行削枝强干，提炼压缩，使其主干清晰，脉络分明。
[判断题] *错(正确答案)9、《雨中登泰山》的点睛之笔是（）[单选题] *山没有水，如同人没有眼睛一路行来，虽有雨趣而无淋漓之苦，自然也就格外兴趣盎然(正确答案)我们敢于在雨中登泰山，看到有声有势的飞泉流瀑过而不登，像是欠下悠久的文化传统一笔债似的10、1即席发言具有随机性、临场性的特点，要求反应速度快。
[判断题] *对(正确答案)错11、1写说明文要根据说明对象的特点及写作目的，选用最佳的说明方法。
常见的说明方法有举例子、分类别、列数据、作比较、画图表、下定义等。
参考答案
【参考答案】
1．B 2．D 3．C 4．D 5．D 6．A
7．(1)①当今世界是一个紧密联系的世界，各国彼此影响，休戚相关；
②经济全球化使风险与危机跨国界传递；③当今世界仍旧存在一些全球性问题，需要积极构建人类命运共同体，共同应对全球性挑战。
(2)①中国面对各种区域性和全球性危机与难题，积极采取相关行动；
②中国是一个负责任的大国，在国际上的影响力和感召力不断增强；
③中国致力于成为世界和平的建设者、全球发展的贡献者、国际秩序的维护者；
④中国为全球治理展现出的中国智慧令国际社会对中国充满信心。
(3)国家：采取共同行动，承担共同责任，积极构建人类命运共同体理念；坚持共建共享，建设普遍安全的世界。
公民：相互信任、守望相助、共同担当；关怀生命、尊重生命的价值，关注他人命运。
国防知识竞赛部分参考答案
国防知识竞赛部分参考答案（已验证）3、1954年7月，中国第一架（）飞机试制成功，毛泽东发贺信表示：“这在建立我国的飞机制造业和增强国防力量上都是一个良好的开端。
” B .雅克?18型1、中国发表国防白皮书，是对（）做一些介绍，对于促进相互国家间信任是大有好处的。
A .中国的国防政策和军队现代化建设8、红军长征是从1934年10月开始到1935年10月结束的。
起点是江西瑞金和（），最后到达陕北根据地。
A .福建长汀4、在国土防空、抗美援朝、抗美援越等作战中，我国空军取得了击落击伤敌机（）余架的辉煌战绩。
A .3700中国自行设计制造的近程地空导弹第一次发射成功的年份是（）.A. 1960年世界上大多数国家设有仪仗队。
中国人民解放军仪仗队是（）年正式成立的。
B .1953下列可称为导弹的是（）。
D .火箭助飞的鱼雷2、（）作为国家的重要组成部分，是维护和实现国家利益的重要手段。
B .国防11、科学发展观的实质是（）。
C .要实现经济社会更快更好地发展1、履行军队根本职能、克敌制胜的有力保证是（）。
D .纪律1、我国的航天工业是1956年开始建立，其标志是什么？C .第一个导弹研究机构成立3、军队的最高领导权和指挥权集中于（）。
B .中国共产党中央委员会、中央军事委员会1、我国核工业是哪一年开始建立的？（1955 ）4、根据我国有关动员法规，对全国进行经常性的国防教育，形成对付未来战争的精神防线，是（ A .政治动员）准备的重要任务之一。
6、下列哪一项不属于不能参军的规定（）。
D .睡觉说梦话2、我国海军首批赴亚丁湾、索马里海域护航编队经南海、马六甲海峡，穿越印度洋，总航程4500海里，预计（）左右抵达任务海区。
B .10天6、（思想政治建设）是军队革命化建设的核心，是我军立于不败之地的重要前提和可靠保证。
3、目前，我国在使用人防工事时一般采用哪两种方式？C .隔绝式防护、过滤式防护2、我空军地空导弹部队第一次用地空导弹击落敌机是（），创造了世界防空史上用地空导弹击落飞机的先例。
姚慕生,谢启鸿-高等代数学(第3版)答案(复旦绿皮书)
复旦大学高等代数教材第二章答案
部分习题答案引用自白皮书的例题或训练题．
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6. 例 1.11.
(In − A)(In + A + A2 + · · · + Am−1) = (In + A + A2 + · · · + Am−1)(In − A) = In.
7. 由于 B(A + B)−1A(A−1 + B−1) = In, 故 A−1 + B−1 奇异. 8. 由 A2 = In 可得 (A + In)(A − In) = O. 又 In + A 非异, 故 A − In = O, 即 A = In. 9. 由 A2 = A 可得 A2 − A − 2In = −2In, 即 (A + In)(A − 2In) = −2In, 故 A + In 非异. 10. 由 A2 − A − 3In = O 可得 (A + In)(A − 2In) = In, 故 A − 2In 非异.
江苏省化学学业水平测试复习白皮书练习：必修1 参考答案
参考答案江苏省高中学业水平测试基础过关冲 行动·化学参 考 答 案第一讲 物质及其变化的分类1. B2. B3. B4. D5. D6. A7. D8. B9. A 10. A 11. A 12. A 13. D 14. B 15. D 16. A 17. B 18. C 19. A 20. C第二讲 物质的量1. A2. C3. A4. D5. B6. C7. C8. A9. C 10. D 11. C 12. A 13. B第三讲 离子反应1. C2. B3. B4. A5. A6. D7. D8. D9. C 10. C 11. D 12. D 13. D 14. C 15. B 16. B 17. A 18. B19. (1) 不一定，因为碳酸银、硫酸银都是沉淀(2) NH ＋4 0.8mol ·L －1(3) BaCO 3、BaSO 4 BaSO 4的物质的量为 4.66 g233 g·mol －1＝0.02 molBaCO 3的物质的量为 12.54 g －4.66 g197 g·mol －1＝0.04 mol ， 则CO 2－3：0.04 mol SO 2－4：0.02 mol (4) A第四讲 氧化还原反应1. B2. C3. D4. A5. C6. A7. C8. D9. D 10. B 11. D第五讲 钠及其化合物1. B2. D3. C4. C5. D6. D7. D8. (1) ①过滤 ②取少量晶体溶于水，加稀硝酸酸化，再滴加AgNO 3溶液，若产生白色沉淀，该晶体中含有氯离子③碳酸钠溶解度比碳酸氢钠大(2) ①不能 ②HCO －3、H 2CO 3(3) n(NaHCO 3)＝10.5 g84 g·mol －1＝0.125 molNaHCO 3最终完全转变成NaCl ，消耗盐酸的物质的量等于NaHCO 3的物质的量n(HCl)剩余＝n(HCl)总－n(NaHCO 3)＝0.1 L ×2 mol·L －1－0.125 mol ＝0.075 mol c(HCl)剩余＝0.075 mol 0.1 L＝0.75 mol·L －1第六讲 铝及其化合物1. A2. A3. B4. C5. A6. D7. (1) Na Cl 2 (2) 2Al ＋2NaOH ＋2H 2O===2NaAlO 2＋3H 2↑ 2FeCl 2＋Cl 2===2FeCl 3 FeCl 3＋3NaOH===Fe(OH)3↓＋3NaCl8. (1) NaOH NH 3 NaCl(2) 2Al ＋2H 2O ＋2OH －===2AlO －2＋3H 2↑ (3) H 2＋Cl 2=====点燃2HCl(4) 取样，加入碱，加热，在试管口用湿润的红色石蕊试纸检验，若变蓝色，说明存在NH ＋49. (1) Al Al 2O 3 Fe(OH)3(2) Al 2O 3＋2OH －===2AlO －2＋H 2O 4Fe(OH)2＋O 2＋2H 2O===4Fe(OH)3第七讲 铁及其化合物1. D2. B3. B4. A5. C6. A7. D8. 【实验探究】 0.4 1.6 0.8【交流讨论】 ①加入的铁粉不足，Cu 2＋有剩余②用HNO 3作氧化剂，带入了新的杂质NO －3 【拓展延伸】 33.6第八讲 硅及其化合物1. B2. C3. C4. D5. B6. D7. C8. B9. D 10. D 11. (1) 盐酸(2) 饱和NaHCO 3溶液 除去盐酸中挥发出的HCl 气体 (3) Na 2SiO 3溶液SiO 2－3＋CO 2＋H 2O===H 2SiO 3↓＋CO 2－312. (1)(2) H 2O(3) SiO 2＋2C=====高温Si ＋2CO ↑ (4) Cl 2＋2OH －===Cl －＋ClO －＋H 2O第九讲 氯及其化合物1. B2. A3. B4. A5. D6. D7. C8. D9. (1) 除去Ca 2＋和过量的Ba 2＋(3) 2NaClO 3＋SO 2===2ClO 2＋Na 2SO 4 (4) 趁热过滤(5) ClO －4＋NH ＋4===NH 4ClO 4 (6) 25 mL 溶液中NaClO 4·H 2O ～4I 2～8Na 2S 2O 3 1 8n(NaClO 4)＝0.005 mol 0.04 mol3．0 g 样品中含n(NaClO 4·H 2O)＝0.005 mol ×100 mL25 mL＝0.02 mol 3．0 g 样品中m(NaClO 4·H 2O)＝0.02 mol ×140.5 g ·mol －1＝2.81 g 3．0 g 样品中w(NaClO 4·H 2O)＝2.81 g3.00 g ×100%＝93.67%第十讲 硫及其化合物1. D2. A3. D4. C5. A6. A7. D8. B9. D 10. B 11. D 12. C 13. A 14. C 15. C 16. C 17. C第十一讲 氮及其化合物1. D2. C3. C4. C5. A6. C7. A8. C9. C 10. D 11. D 12. A第十二讲 常见无机物的相互转化 1. (1) HNO 3 (2)(3) 2N 2H 4＋2NO 2===3N 2＋4H 2O(4) Cl 2＋2OH －=== Cl －＋ ClO －＋H 2O2. (1)(2) Fe(OH)3(3) 2Al ＋2H 2O ＋2OH －===2AlO －2＋3H 2↑ (4) NaClO ＋2HCl===NaCl ＋H 2O ＋Cl 2↑3. (1) Al 2O 3 (2)(3) C ＋2H 2SO 4(浓)=====△2SO 2↑＋CO 2↑＋2H 2O (4) AlO －2＋CO 2＋2H 2O===Al(OH)3↓＋HCO －3 4. (1) MgO(2)(3) H 2O ＋3NO 2===2H ＋＋2NO －3＋NO(4)5. (1) HNO 3(2)(3) 4Fe(NO 3)3=====△2Fe 2O 3＋12NO 2↑＋3O 2↑ (4) Fe 3＋＋3OH －===Fe(OH)3↓6. (1) SO 2 (2)(3) FeS ＋2H ＋===Fe 2＋＋H 2S ↑(4) Fe 2(SO 4)3＋SO 2＋2H 2O===2FeSO 4＋2H 2SO 47. (1) O 2 (2)(3) 2NaN 3＋CuO=====撞击Na 2O ＋3N 2↑＋Cu (4) 3Cu ＋8H ＋＋2NO －3===3Cu 2＋＋2NO ↑＋4H 2O8. (1) AlCl 3 (2)(3) 2Al ＋2NaOH ＋2H 2O===2NaAlO 2＋3H 2↑ (4) 2Cl －＋2H 2O=====通电2OH －＋Cl 2↑＋H 2↑9. (1) Fe 2O 3 (2)(3) 2Fe 2＋＋Cl 2===2Fe 3＋＋2Cl －(4) 2NaOH ＋2Al ＋2H 2O===2NaAlO 2＋3H 2↑10. (1) (2) 氯碱(3) Al 2O 3＋2OH －===2AlO －2＋H 2O (4) 4Fe(OH)2＋O 2＋2H 2O===4Fe(OH)3第十三讲 常见仪器与操作1. B2. D3. D4. D5. C6. A7. D8. B9. C 10. B 11. A 12. A第十四讲 物质的分离、提纯和检验1. D2. C3. B4. D5. A6. A7. C8. A9. C 10. A 11. A 12. B第十五讲 有关物质的量的综合计算1. D2. C3. D4. C5. D6. C7. C8. D9. D 10. D 11. C 12. B第十六讲 实验设计和评价1. (1) 温度低溶解速率慢，温度过高铵盐分解(2) 2Cu 2＋＋SO 2－3＋2Cl －＋H 2O===2CuCl ↓＋SO 2－4＋2H ＋ 生成的CuCl 又溶解于氯化铵溶液中(3) 加速样品的溶解n(Cr 2O 2－7)＝0.05 mol·L －1×1.6×10－2 L ＝8×10－4 mol6CuCl ～ Cr 2O 2－7 6 1n(CuCl) 8×10－4moln(CuCl)＝4.8×10－3molω(CuCl)＝4.8×10－3 mol ×99.5 g ·mol －10.5 g ×100%＝95.52%2. (1) SO 2(2) 2Fe 2＋＋MnO 2＋4H ＋===2Fe 3＋＋Mn 2＋＋2H 2O (3) 4.7～8.3(4) 过滤 冷却结晶(5) 解：设MnSO 4·H 2O 的纯度为x ，则：Fe 2＋～ MnSO 4·H 2O0．0195 L ×0.05 mol ·L －1 1.720x g 169 g ·mol －1×20 mL 200 mL 1 mol 1 mol x ＝95.8%答：MnSO 4·H 2O 的纯度为95.8%。
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白皮书参考答案
1. (1)temp=1 (2)temp
(3)nFactor(i) (4) str(sum)
2. (1) i\100 (2)(i mod 100)\10
(3)i=hundred^3+ten^3+one^3
3. (1)a(1) (2)1 (3)a(i) (4)i
4. (1)len(str1) (2)length (3)mid(str1,I,2)
5. (1)cmn=nFactor(m)/nFactor(n)/nFactor(m-n) (2)nFactor=temp (3) end Function
6. (1)If ave(Line_no)<ave(i) then
(2)Line_no=I (3)a(1,j)=a(Line_no,j)
(4)sum=sum+a(I,j)
7. (1)is>R (2) loop While times<=5
(3)Form1.Print “正确答案为” & str(R)
8. (1)n=len(Hex) (2)temp=Mid(hex,n-I,1) (3)Form1.Print hex & “转换为十进制数为” & str(Dec)
9. (1)laugth=len(str1)
(2)strleft=mid(str1,k,1)
(3)strright=mid(str1,length-k+1,1)
(4)if strleft <>strright then
10. (1)if i<>j and i<>6-j then
(2)form1.print a(i,j); space(2);
(3)form1.print:form1.print(4)(5)
11 .(1)call swap(a(j),a(i))
(2)Loop While i<=n-1
(3)For j=1 to i-1
(4)Public Sub swap(a As Integer,b as Integer)
12. (1)t=1 (2)a(i)<0 (3) j=0
13. (1)i<=j (2) a(i,j)=1 (3)Form1.print
14. (1)Dim k as sing (2)For i=1 to 100 step 2
(3)k=-1/(i+1)
15. (1)i-1 (2)call swap(a(i,j),a(j,i))
(3)Form1.print a(i,j);
16. (1)For j=i+1 to 10
(2)call swap(a(i),a(j)) (3)a(10)
17. (1)k=2 (2)b=False (3)k=K=1 (4)k>j
18. (1) s=1 (2)Do while s<=1E16 (3)i=i+1
19. (1)sign=-1 (2)For i=2 T o 19 (3)sign=-sign
20. (1)5 (2)num (3)T rim (str(i));
21. (1)T rim (str(i)) (2)T rim (str(i*i))
(3)x1=Right(x2,len(x1))
22. (1)number(i) (2)n As integer
(3)number=number*10+7
23. (1)last_one =last_two (2)last_two=this_one
(3)i=i+1 (4)i
24. (1)Dec mod 2 (2)Bin
(3)Dec\2 (4)dec<>0 25. (1)pos =i (2)pos (3)a(i)=a(i+1)
26. (1)len(x) (2)mid(x,I,1) (3)i+1 T o k
27. (1)len(oldsen) (2)””空格
(3)mid(oldsen,i,1)
28. (1)For i=9 T o 1 step -1
(2)Form1.print T rim(str(i)); (3)End sub 29. (1)sum=sum+x(i)
(2)ave =sum/30 (3)ount=count+1
(4)count mod 5 =0
30. (1)Loop while m<=0 or n<=0
(2)div =m (3)div=div-1
31. (1)m<=0 or N<=0 (2)m*n/Div(m,n)
(3)div=m (4)div=div-1
32. (1)t=t\n (2)term =term +t (3)str(term)
33. (1)1 to len(a) (2)n+fact(p) (3)fact=y
34. (1)dalt>0 (2)dalt=0 (3)sqrt(-dalt)
35. (1)n+1 (2)n mod 3 =1 And n mod 5=1
(3)until count N =5
36. (1)1 (2)-1 (3)x=2*(x+1)
37. (1)Ubound(A)-1 (2)a(j)=c
(3)c=a(Ubound(a)) (4)T o 1 step -1
38. (1)i<=high-1 (2)low = low+1
(3)high=high-1(4)i=i+1
39. (1)s<1000 (2)x (3)n+1(4)n=n-1
40. (1)For i=0 to 9 (2)n= Int(Rnd*90)+10
(3)msgBox(“偶数个数” & count)
41. (1)Int (Rnd*1000)+1 (2)p=j
(3)p<>i (4)a(i)<>a(i-1)
42. (1)Int (Rnd*1000)+1 (2)p=j
(3)p<>I (4)a(i)
43. (1)Not isLeapY ear(year) (2)y mod 400=0
(3)y mod 4=0 (4)y mod 100<>0
44. (1)n-1 (2)i-1 (3)a(j)=a(j) +a(j-1) (4)a(j)
45. (1)match count (s1,s2)
(2)len(str1)-len(str2)+1
(3)Intstr(str1,str2)
(4)str1=Right(str1,len(str1)-pos)。