1、 work in the office began just before Mr. Smith arrived. Later she found out that he lived in Connecticut and came into Manhattan on the same train every morning, arriving in the office at 9:35, so that his staff knew exactly when to start working. 56. Marie could hardly recognize the office she wen
2、t into as_ . A. she had been there only once B. Mr. Smith was not m the officeC. nobody was doing any work D. the office seemed different57. The peopling the office suddenly started working because_. A. their morning break was ended B. the boss was about to arriveC. they saw a stranger in the office
3、 D. no one wanted to talk to Marie58. We can infer from the text that the employees of the enterprise_. A. were cold to newcomersB. were always punctual for workC. lacked devotion to the companyD. would start their work by listening to a joke59. The best title for this text would be_ . A. Punctual L
4、ike A Clock B. A Cold WelcomeC. An Unpunctual Manager D. Better Late Than Never BWhen e-mail first came into general use about twenty years ago, there was a lot of talk about the arrival of the paperless office. However, it seems that e-mail has yet to revolutionize office communication. According t
5、o communications analyst Richard Metcalf, some offices have actually seen an increase in paper as a result of e-mail. Information in the form of e-mal messages now floods our computer screens. These messages can be sent so quickly that memos（备忘录） tend to be distributed in the hundreds. For those sec
6、retaries whose bosses ask them to print out all their e-mails and leave them in their in-trays, this means using up a great deal of paper every month, Metcalf says. Metcalf has found that because some e-mails get lost in cyberspace, important documents are increasingly likely to be asked by clients（
7、客户）and colleagues to send all important documents both by e-mail and by fax or snail mail - through the post. This highlights a further potential problem with e-mail in todays offices - it is taking up time rather than saving it. With e-mail, communication is much easier, but there is also more room
8、 for misunderstandings, says psychologist Dr David Lewis. Generally, much less care is taken with e-mails than with letters or faxes and the sender will probably print the document and reread it before putting it in an envelope or sending it by fax. More worrying is still the increasing misuse of e
9、mail for sending flame-mail - abusive or inappropriate e-mail messages, Recent research in several companies suggests that aggressive communications like this are on the increase. E-mail has become the perfect medium for expressing workplace dissatisfaction because it is so instant. E-mail can also
10、be a problem in other ways. Staffs all too often make the mistake of thinking that the contents fan e-mail, like things said over the phone, are private and not permanent. But it is not only possible for an employer to read all your e-mails, it is also perfectly legal. E-mail messages can be traced
11、back to their origin for a period of at least two years, so you might want to rethink e-mailing your dissatisfaction about your too to your friends. The advice is to keep personal e-mails out of the office. It goes without saying that e-mail exists to make Jife easier, and if used correctly, it is a
12、n invaluable tool for businesses of all sizes. But perhaps, for the time being, the fact that in the business world 70 percent offal documents are still in paper form is not such a bad thing after all. 60. Why has the promise of the paperless office not come true in many offices?A. People write more
13、 memos than they used to. B. Staff leave messages lying around their offices. C. Many managers prefer to read their messages on paper. D. Many secretaries keep paper copies of their bosses e-mails. 61. What does Richard Metcalf say about e-mail in Paragraph 2?A. It is not an appropriate channel for
14、sending important information. B. It increases the amount of paperwork done in offices. C. It is not popular with many secretaries. D. It is a less efficient channel than fax. 62. Why should employees not use company e-mail systems for personal messages?A. Because company e-mail systems are not easy
15、 to use. B. Because e-mail is not a private means of communication. C. Because they allow people to express their anger immediately. D. Because the people the messages are sent to cant respond immediately. 63. What does the writer conclude about e-mail in the last paragraph?A. It has already made li
16、fe a lot easier for many businesses. B. It is not being used enough in business today. C. It is really useful when people use it properly. D. It will never replace written communication. CIs it possible to persuade mankind to live without war? War is an ancient institution,-which has existed for at
17、least six thousand years. It was always bad and usually foolish, but in the past human race managed to live with it. Modern inventiveness has changed this. Either man will end war, or war will end man. For the present, it is nuclear weapons that cause the most serious danger, but bacteriological（使用细
18、菌的）or chemical weapons may, before long, offer an even greater threat. If we succeed in ending nuclear weapons, our work will not be done. It will never be done until we have succeeded in ending war. To do this, we need to persuade mankind to look upon international questions in a new way, not as co
19、ntests of force, in which the victory goes to the side which is most skillful in kiting people, but by agreement with principles of law. It is not easy to, change very old mental habits, but this is what must be attempted. There are those who say that the adoption of this or that ideology（观念，思想意识）wo
20、uld prevent war. I believe this to be a big error. All ideologies are based upon dogmatic statements that are, at best, doubtful, and at worst, totally false. Their adherents （追随者，支持者） believe in them so fanaticallythat they are willing to go to war in support of them. The movement of world opinion
21、during the past few years has been very largely such as we can welcome. It has become a commonplace that nuclear war must be avoided. Of course very difficult problems remain in the world, but the spirit in which they are being approached is a better one than it was some years ago. It has begun to b
22、e thought, even by the powerful men who decide whether we shall live or die, that negotiations should reach agreements even if both sides do not find these agreements wholly satisfactory. It has begun to be understood that the important conflict nowadays is not between different countries, but betwe
23、en man and the atom bomb. 64. In the sentence To do this, we need to persuade mankind （Para l）, this refers to 赕伐:(鵑怀傠匀匁焁圂鴂椑椑椑椑椑椑椑椑椑椑椑椑晓穝搀漀挀晓穝搀漀挀尀尀攀攀挀愀昀挀昀戀挀戀愀搀攀搀愀樀堀氀戀刀爀刀戀一琀眀匀匀瀀唀爀刀夀眀漀搀伀瀀搀伀爀伀礀吀眀晓穝梏琀琀瀀猀眀眀眀眀攀渀欀甀渀攀琀挀漀洀椀氀攀刀漀漀琀尀圀攀渀欀甀渀攀琀椀氀攀刀漀漀琀尀挀搀昀愀昀昀愀搀挀攀搀昀戀戀愀戀晓穝筗睑晓晓穝扥蒗搰汱汬邀笰潓豏魔譎耰g蠰肍豴晹癸扥屝葏聺酿筗腑晎腎暉恛晓智晓穝暂扥蒗貋淿晓鹝
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26、:/ ： 2014年7月11日教材内容人教版二年级下册P67例题5有余数除法的应用（租船问题）作业设计1、列式计算 （PPT出示题目并口答）时间：大约1分钟（1）20里有几个5？（2）12里有几个3？（3）19里有几个6？2、解决问题 时间：大约4分钟 PPT出示情景图 ：我们班两个老师带40个孩子去春游（1）40个学生去划船，每条船限坐5人，要租几条船？【提问：限坐是什么意思？】（2）42人去吃饭，每张桌子限坐8人，至少要几张桌子？【教师提问：可以坐满几张桌子？多余的人怎么办？】3、独立完成P67做一做(对比练习) 时间：大约4-5分钟(1)有27箱菠萝，王叔叔每次最多能运8箱，至少要几次才
27、能运完这些菠？ (2)小丽有10元钱，买3元一个的面包，最多能买几个？用这10元钱能买几个4元的面包？【解答完后教师要引导学生比较和理解最多与最少的含义】4、选做题（PPT出示并发送至班级学习群 ，P67做一做完成比较迅速的孩子可以思考如下两题，并回家后和家长一起研究解决方案）（1）小军和8个小朋友一起去划船，每条船限坐4人，至少要租( )条船.（2）16个工人要去河对岸工作，只有一条船过河，这条船每次只能载6人，他们要( )次才能全部过河.学生自我评价：1、 我知道求一个数里有几个另一个数用除法计算。2、 我会解答租船问题 3、 我会解答买面包问题 4、 我还学会了 5、 今天我的作业完成情
28、况 今天我得了（ ）颗【作业评价标准：第1题正确获得1个，其余每个题目作对都可以获得一个。】新课程标准明确提出要注重训练的实效性,我们的课堂要布置有效作业以拓宽学生的知识面，开发学生的智力，提高学生的兴趣，培养学生的创新实践能力及交际能力。本节课作业设计说明如下:1、 涵盖的知识内容分析本作业涵盖的知识内容有求一个数里有几个另一个数的列式计算，解决生活中有余数的除法的实际问题，涉及到进一法和去尾法智慧的运用已学的数学知识解决生活中的数学问题。2、题源分析与编制设想以及试题间的关联性分析以及问题预设新课标提出数学知识的教学，要注重知识的“生长点”与“延伸点”， 本节课是在学生学完有余数除法后的一
29、个应用。它的生长点就是求一个数里有几个另一个数。第1出题意图：注重知识的生长点。让学生熟练掌握求一个数里有几个另一个数，达到口答的程度。租船问题的实质就是求一个数里有几个另一个数。由有浅入深引入第2题。结合班级实际教师对教材进行再加工，有创造地设计教学过程，让学生在具体的情境中学习数学，并比较有余数和没有余数的实际问题。二年级学段的教学中，教师应充分利用学生的生活经验，设计生动有趣、直观形象的数学教学活动，如运用讲故事、做游戏、直观演示、模拟表演等，激发学生的学习兴趣，让学生在生动具体的情境中理解和认识数学知识。第一小题要弄清限坐的含义，将第二小题的难度分散到第一小题。第2小题重点理解坐满的含
30、义，以及如何安排多余的人。真正理解什么情况下用进一法，为什么要多租一条船。做完分析后学生独立解答。问题预设：可能有的学生思维比较活跃，觉得需要每张桌子安排7个人，对于这样的孩子要给以表扬，但是还是要将问题回到至少要6张桌子，然后6张桌子你可以重新分配人员。第2题源：教材P67做一做。两个小题完成后要比较进一法和去尾法。通过对比练习，弄清楚在实际生活中哪些问题用进一法，哪些问题用去尾法。搞清楚什么情况下用最多这个说法，什么情况下用最少这个词。第四题根据班级实际制定，作为选做题。毕竟有的孩子思维活跃，速度快，完成第2题可能很短的时间，该题不在10分钟之内要求学生完成.仅作为课后思考并与家长共同探讨
31、。如果说今天的2、3题是生长点的延伸，那么第4题是有余数除法的应用之继续延伸。新课程标准要求教学中注重结合具体的学习内容，设计有效的数学探究活动。第4题将要求家长和孩子，教师和孩子共同在趣味中探究。这两题有一定难度,第一题是个易错题,要求孩子有很强的观察力以及周密的思维,不忘记小军就很容易了,第二题难中有趣味性,对于学习速度比较快的孩子来说可以充分调动孩子的学习积极性,起到进一步锐化思维的目的。3、 难度梯度分析本次作业设计尊重学生的总体水平和个体差异由浅入深，分层设计，进行纵向比较延伸，且进行横向比较，形成坡度的同时，注意了适当的难度。分层设计作业尊重了学生的整体水平和个体差异，从而让每个学
32、生在适合自己的作业中取得成功。4、完成作业需要的辅助手段和学习资料教师将作业制作成PPT提供相应的文字和图形。建立。班级学习群方便交流。教师的适时讲解和帮助，同学之间的相互启发也是完成作业的辅助手段之一。当然还要有二年级下册数学课本和课堂作业本。5、作业呈现形式以及完成方式说明、完成时间统计新课程标准提出要充分发挥信息技术的优势，为学生的学习和发展提供丰富多彩的教育环境。本次作业的题目和情景图尽量制作成PPT在屏幕展示，学生作业完成情况也要充分利用展台。比如第1题PPT逐题出示题目，学生口答完毕并在PPT出示正确答案。时间大约1分钟。第2题PPT出示题目和情景图，教师带着学生做完分析后在展台上
33、展示答案并作出及时的评价。时间大约4分钟。第3题直接在课本上完成，然后在展台展示答案并评价。时间大约5分钟。第4题PPT上呈现留.六给速度快的孩子思考并发送到班级群.。PPT展示题目和重现作业答案，利用展台讲评作业都是这个作业必须的手段。正确答案的重现可以将已学知识重现。心理学研究表明，视觉是人类获取信息和传递信息的主要渠道。人从视觉获得的知识，能够记住25%，从听觉获得的知识能够记住15%，若把视觉与听觉结合起来，能够记住65%.古书学记中有这样一句话：“学无当于五官，五官不得不治。”意思是说，学习和记忆要动员五官参加活动，眼看，用耳听，用口念，用手写，用脑子想，这样才能增强记忆效果。6、学
34、生如何自我评价的说明教师要教会孩子自我评价自己的作业和学习。评价14可以促进孩子回顾今天的学习内容，然后按照评价标准正确评价自己和他人，可以激励自己多多努力。7、作业批改与归因分析作业批改既是对学生学习的指导，又是收集教学效果反馈信息的重要手段。低年级孩子教师最好当面批改并帮助改正。第1、2题有针对性的批改并评价部分学生的作业。第3题是书上的P67做一做，要求独立完成，做到人人当面批改过关。作为教师在保护他们的自尊的同时要帮助他们跟上整个班级的学习进度。每个学生的作业批改结尾处写上批改日期。课后教师要做好作业批改记载，找出错误的原因。重视作业的讲评，对独创性的见解和代表性的错误应予记录，作为讲
35、评和辅导的依据。创优题目第二天批改，给孩子留下足够的思维空间，甚至可以回家与家长一起探讨。让会说的孩子给大家讲解自己的想法，在发散思维的同时逐步培养孩子的语言表达和逻辑思维能力。8、 反馈与补救措施的建议课堂中每个环节都要关注学生的个性差异，保护学生的自尊心和自信心。作业批改之后教师要做好记载并及时分析，将结果反馈给孩子，并针对作业情况及时调整教学计划。作业的反馈离不开作业评价，评价也是教师反思和改进教学的有力手段。教师在作业完成和指导过程中要及时给学生以评价。如第1题和第2题的第（1）小题尽量让平时基础差点的孩子回答，给他们以自信和鼓励。后面的题目难度大一点要尽量引导孩子结合实际分析，对于每
36、个回答问题的孩子都要用赞赏的语言鼓励他们多说，说一说他的思考过程，对积极主动地参与数学学习活动的和乐意与大家同伴进行交流和合作的孩子要给予高度评价，除了口头上的评价外，学生独立完成的比较工整、正确、迅速的作业教师要及时作出书面评价，我习惯给他们一个“棒”字，或者画一个“”，孩子们得到这样的评价总是欢呼着。对于作业中存在的问题教师要及时采取补救措施。本次作业对于解题能力慢的孩子要重视他们求一个数里有几个另一个数的训练。其他学生容易错的地方在于什么时候去尾，什么时候进一容易混淆。这部分孩子要让他们把进一和去尾的道理弄明白。选做题第一小题错误原因是看题不全面，不仔细，容易把小军算掉。第二小题对部分孩
37、子来说不容易理解和掌握，可以在第二天做个游戏，让一个孩子当船夫，负责护送其他人员。从而在游戏中，在活动中理解并解决问题。总之，教师要理解新课程标准，充分钻研教材，布置有效作业，真正让课堂成为高效课堂。.63950- -5367- -7191-7494-4455- 6378- -3746- -4454- -101670945376931247110212315895122127163971317710148821051358011263844865739456722535124154991181682071301602012441591912132581651991401731061301892
38、171391691091328510212014493111507019124115018525230619523929235522428330437223528921826415019125831519824615919512315215920513115995120297346231268384439298340433496338387449512348398331379256293377422293334237273184213240278190210150185399455308365507591392459554624430490575650445505439498336388482
39、540372422310355241277309347240271240300552652427502694810539629725819568639757855589664- - -416473326372399446312351400500777921590687937107873184593410617018989761110762870-环境温度（）4025402540256/6(6/10)kV交联聚乙烯绝缘电力电缆 额定电压 U/U 66(610)kV型号YJV、YJLV、YJY、YJLYYJV、YJLV、YJY、YJLY、YJV22、YJLV22、YJY23、YJLY23、YJV3
40、2、YJLV32、YJY33、YJLY33芯数单芯 三芯 敷设 空气中 土壤中 空气中 土壤中 单芯电缆排列方式OOOOOO导体材质CuAlCuAlCuA1CuA1CuA1CuAl 标称截面 （mm2）25351401701101351652051301551501801151351601901201451201409011012515510012050 7020526016020024530519023521526516020022527517521516521013016518022014017095120315360247280370430290335315360240270330375255290255290200225265300210235150185410470328365490
