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几道语法题目

2023-08-10 16:24:03
TAG: 语法 题目
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黑桃云

1 这些建议旨在价格上相较于传统媒介进一步限制使用和拷贝数码信息的传统媒体 前边那个copy是动名词 而这个exist是动词 从语意思看是一直存在的传统媒体 应该用一般式

2 quantity of修饰可数或不可数名词均可,作主语时采取就近一致的原则,其谓语动词通常与短语中of后面的名词的数保持一致。例如:

A large quantity of beer was sold out. 大量的啤酒被售出。

A large quantity of blouses were on sale. 大量罩衫有售。

the quantity of后跟复数名词或不可数名词构成的短语作主语时,谓语动词通常用单数。例如:

The quantity of books in the library is amazing. 图书馆里的藏书数量惊人。

The quantity of heat in the office has not been increased. 办公室里的热量没有增加。

quantities of后跟复数名词或不可数名词构成的短语作主语时,谓语动词通常用复数。例如:

Quantities of food (nuts) were on the table. 桌子上有许多食品(坚果)。

max笔记

第一题选择A,第二题是选C(第二题的答案D是错的)。先说第一题,than用于比较结构时有个用法:主句+than+从句(从句由sb+动词+状语构成,sb一般省略)。在这个结构中,sb可以省略,所应该采用的动词时态单复数根据省略的主语来判断,在这道题目中than后面的从句的主语和主句的主语是一致的,都是 proposals ,所以动词的时态单复数应该根据proposals选择exist。再举个例子:You should drink liquor less than is harmful.从句的主语是liquor,所以动词是is。第二题中的the quantity of books 主语是quantity,quantity一词本身是单数,of books介词结构后置作定语,所以应该选择C。如果是a (large) quantity of books,则选择D。因为主语是books,是复数形式

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2023-08-07 10:26:471

谷歌编程之夏的含金量高吗

Google 组织的、含金量高、报酬丰厚(你可以拿到数万元的奖励!)、拥有众多大名鼎鼎的开源社区参与的暑期项目Google 编程之夏是一个全球性项目,旨在为学生们和开源、自由软件、技术相关的组织建立联系,让学生们贡献代码并获得报酬!组织会提供导师,在学生从熟悉社区到贡献代码的整个过程中提供指导。这个想法的目的是让学生们参与和熟悉开源社区,并帮助他们充分利用暑假时间去得到锻炼GSoC 含金量高在哪里通常而言,同学们夏天想自我提升的话有两个去处,一是暑研、二是暑期实习。GSoC 偏向工程,和后者更为相似(但也有很大不同),和暑期实习对比着来分析,更容易看出 GSoC 的优势:u200d时间安排和工作模式以 2017 年为例。5 月 4 日 Google 宣布入选学生名单,之后到 5 月 30 日约一个月的时间为 Community Bonding Period,在这段时间里可以熟悉社区、和导师针对你的项目进行探讨等。5 月 31 日开始至 8 月 29 日是正式工作时间,你将会在约 12 周的时间里完成你所申请的项目。除了开始时间略早于国内期末考试时间外,时间跨度上基本与大部分暑期实习无异。而具体的任务量因项目而异,但通常不会太过繁重。导师也一般不会为难你,即使不能全部完成预期的内容,只要全程认真负责的参与,大都也会给 Pass。可能更多的时候是项目对中国学生而言是比较水的,比如前几天(Coding Period 才刚刚开始)群里就有人表示已经把全部 Coding 做完了现在正无聊的写文档……GSoC 的任务全部是线上(online)完成的,相对于实习时每日早晚高峰痛苦的挤地铁(不忍吐槽帝都的交通),你完全可以在家中、在学校宿舍完成需要做的一切。简捷高效,不要太省心!u200d报酬降价之前的报酬折算至每月是 11K 有余,几乎快赶上一线互联网公司的正式应届员工价格了。降价之后大概是一月 8K 多,仍然是碾压各家一线的实习生价格。还不用扣税哟!u200d个人成长在 GSoC 项目期间,每个学生都会被分配一名导师,在整个项目期间给予你帮助。就我的亲身经历和身边人的体会,虽然会有些比较懒的放养导师,不过基本上还都是非常认真负责而且热心的。导师本身的技术水平也都十分出色。而如果你参与的是 GCC、OpenCV 这类久负盛名的工具、语言、框架的组织下的项目,很可能你的导师就会是这些组织的 Core Team Developer,他们可都是在行业内备受尊敬的大牛。再拿我的经历举例。有一次我向主仓库提交了一段总计不超过 50 行的改动,但因为改动较为关键,组织内的几个导师和我充分的讨论了足足一周,覆盖了代码风格、性能优化、可测试性、向前和向后兼容、设计原则等方方面面,经过数次修改,最终成功并入。这个过程中是收获巨大的。通常我们会讲被 review 是非常好的学习途径,写越少而精的代码,被 review 的越详细,对应的成长是越快的。而 GSoC 正是这种模式。相比而言,大部分一线开发岗位的实习,负责带你的人很可能也只是刚毕业工作过三五年,本身技术水平不算惊艳,而业务导向的开发则是以效率为先的,很难有机会有人给你的代码做详尽细致的 review。更糟糕的一些情况是,可能有些实习生大部分时间都在做“打杂”的工作,而不能进行真正有意义的创造,更谈不上学习了。当然实习也绝不能被一棍子打死,像 MSRA 的研究实习生、BAT TMD 华为这些一线公司的实验室或者核心部门实习也都是相当有含金量的,其中也有很多 GSoC 中所不能学习到的东西,也是非常值得选择的。综上来看,GSoC 的质量是相当高的,从各方面来看,都非常值得参与。Google 官方资料中有这样一句话:Successful students have widely reported that their participation in GSoC made them more attractive to potential employers and that the program has helped greatly when embarking on their technical careers.GSoC 在世界范围内都很受认可,成功的完成 GSoC 项目的你会更容易受到用人公司的青睐。如果未来希望加入 Google,这段经历则更是一大加分项。而由于 GSoC 是全线上远程工作,你也完全可以选择在参加科研或实习的同时,也参与一个 GSoC 项目,两者兼得。比如我自己,在今天夏天参与 GSoC 项目的同时,也会在 MSRA 大数据组实习。因这次 GSoC 认识的 @大缺弦 也是同样既参与 GSoC 又在 MSRA 实习。所以说完全不用担心因为参加 GSoC 而错过其他机会!u200d申请资格、流程和技巧任何在读的本科、硕士、博士生均可以申请 GSoC。如果你已经毕业了,那就非常遗憾不能再以学生身份参与 GSoC 了。Google 还有一些更细节的要求,但一般都是可以满足的,具体可参照:FAQ#What are the eligibility requirements for participation?https://developers.google.com/open-source/gsoc/faq#what_are_the_eligibility_requirements_for_participationGoogle 每年都会发布 GSoC 的时间表,例如 2017 年的:Google Summer of Code 2017 Timelinehttps://developers.google.com/open-source/gsoc/timeline其中有一项是 List of accepted mentoring organizations published,即宣布当年的组织列表,每个组织都会有一个主页,列出可供你选择的 Project Ideas。今年是在 2 月 27 日宣布的。在这之后你就可以查看成百上千个 Ideas 并找出你所感兴趣的了。在 Student application deadline 之前(今年为 4 月 3 日),你可以向 Google 提交至多 5 份 Proposals,每一份 Proposal 要包含你对其中一个 Idea 的设想、实施方案、时间规划等,Proposal 需要写的具体内容因组织者的要求而异。此后由组织负责审阅所有学生提交的 Proposals,选出他们所认为优秀的。在约一个月之后(今年为 5 月 4 日),Google 会宣布被选中的学生列表,如果你顺利通过,便可以开始当年的 GSoC 之旅了!以上是申请流程的基本概要,Google 官方也提供了非常详尽的 学生指南 和 FAQ,这些内容你都可以在其中找到,并且有更为详细和准确的申请介绍和指导。下面就是私货啦!一些我自己的和其他 GSoC 参与者的人生经验!首先是选什么。参与 GSoC 的组织会有数百个,一个个看根本看不过来,选择困难症们可要头疼了。我的建议是选择自己有过实际使用经验的,相对于从未使用过的语言、框架等,你会对它们更加了解,比如今年我就考虑了 homebrew、checkstyle(Java 静态检查工具,很早就引入了 PKU Helper 开发之中,后来我也最终选择了这个组织下的项目);其次,选择与自身技术栈相匹配的,比如我最擅长的技术栈是 JVM Based Language,我就会更加留意用到 Java、Clojure、Scala 的项目。划定了最初范围之后,你就可以通过组织公开的联络渠道,同导师们联(套)系(磁)。通常来讲以 Mailing List 和 IRC 居多,也有 IM。你可以进一步的了解这些组织和下属的项目,从而找到你最感兴趣的。虽然每个人可以填写多至 5 份 Proposals,但就实际经验而言,认真书写一份 Proposal 就要花费非常多的精力了,广撒网是不太可取的,重在精不在多。根据 Google Summer of Code 2017 statistics part 2,2017 年共有 4764 名学生提交了 7089 份 Proposals。也就是说平均下来每个人也就提交了一份多而已。在选定了 checkstyle 之后,我非常感兴趣一个叫 Optimization of Distance Between Methods in Single Java Class 的项目。它涉及到算法、数学模型,非常有趣同时又附有挑战性。之后就是为此撰写 Proposal,其中分为了三大部分:About Me、Project 和 Extra Information。About Me 就是一些个人基本信息和编程技能的介绍,Extra Information 给出了我的工作时间、时区和一些想说的话。Project 是最要的部分,包含了 Project Deion、Outline 和 Expected Timeline。其中详细的给出了我预想的数学模型的设计、统计分析过程、可使用的算法和实现以及会为此撰写一篇 Article。书写 Proposal 的重点在我看来就是要认真细致、考虑可行性和工作量、和导师们充分讨论,最后再加上一条美观。在以上的方法论下我花费了一周多的时间磨出一份颜值甚高的 Proposal 来,和导师们也讨论的风生水起。本来觉得拿到这个项目板上钉钉了,结果离 application deadline 还有两天的时候,导师突然私信我说,我们认为这个项目太难了,我们可能找不到足够多的导师来带你,所以你赶紧再找一个项目赶一篇 Proposal 出来吧。我:???……没办法,花了半天的时间挑了另一个看着还可以的项目火速写了一篇出来。导师也够意思,跟我说你随便写写思路就完了,不用太详细。之后赶在 deadline 前顺利上交两份 Proposals,并且中了后面那篇。导师对我的 Proposal 评价很高,如果以后有申请的小伙伴感兴趣想参考的话可以移步 Google Docs:https://docs.google.com/document/d/1lWXpWhUN6cE06sjQANjWxamc_X3ddbSphTRSofChLyk/edit除了一份质量过硬的 Proposal 之外,在宣布最终名单之前和导师们的套磁也是非常重要的!多在 Mailing List 中刷刷脸,积极参与讨论。如果能够提出 Bug 甚至修复 Bug 或者实现新的 Feature 那是最好的。Checkstyle 的导师在最开始就清楚的写到学生的 Fixed Issue 数是很重要的指标。后来在 deadline 之前我足足交了 8 个 PR 位列十多个竞争者第一,这点也为我最终被选中加了不少分。总结一下,认真投入、积极参与、多讨论多反馈,甚至去帮助社区中的其他开发者,那么你就会有非常大的机会被选中!今年 4764 名提交了 Proposals 的学生中有 1318 名被选中,入选率大于四分之一,是相当高的。而且这 4764 人里其实有很多人是根本没有好好写 Proposal 的,也有很多人是水平真的很差也过来申请的。所以对绝大多数基础不差的国内大学生来讲,只要好好申请都是比较容易中的。要知道,咱们大学生的技术功底,甚至英语水平,绝不比邻居印度学生差(印度人的英语真的不见得都好),人家可以申请到 500+,咱们也可以做到,49 人远远不是咱们的真实水平!。
2023-08-07 10:27:071

如何写研究计划Research Proposal

How to write a research proposal?能否写出漂亮的proposal,本质上取决于你对研究的思考深度和专业水准。但形式也很重要。英文的Research Proposal自有一套“八股”。程式化和结构化的好处就在于,可以让读者直接集中注意到最本质的内容上,而不是为形式分神。对于非英语native speaker的我们,如何理解英文学术世界的规范或曰思维定势,也是写作proposal之前必备的背景知识。下面这篇流传甚广的Research Proposal写作指南,言简意赅,颇具启发,对我自己的写作有所帮助,也希望能给更多的学界同仁带来便利。[点击这里,查看更多关于RESEARCH PROPOSAL以及GRANT PROPOSAL、PROJECT PROPOSAL写作的网上资源]文章作者Paul T. P. Wong, Ph.D., C.Psych. (Research Director, Graduate Program in Counselling Psychology. Trinity Western University Langley, BC, Canada). 题为:How to Write a Research Proposal. 全文转载如下:Most students and beginning researchers do not fully understand what a research proposal means, nor do they understand its importance. To put it bluntly, one"s research is only as a good as one"s proposal. An ill-conceived proposal dooms the project even if it somehow gets through the Thesis Supervisory Committee. A high quality proposal, on the other hand, not only promises success for the project, but also impresses your Thesis Committee about your potential as a researcher.A research proposal is intended to convince others that you have a worthwhile research project and that you have the competence and the work-plan to complete it. Generally, a research proposal should contain all the key elements involved in the research process and include sufficient information for the readers to evaluate the proposed study.Regardless of your research area and the methodology you choose, all research proposals must address the following questions: What you plan to accomplish, why you want to do it and how you are going to do it.The proposal should have sufficient information to convince your readers that you have an important research idea, that you have a good grasp of the relevant literature and the major issues, and that your methodology is sound.The quality of your research proposal depends not only on the quality of your proposed project, but also on the quality of your proposal writing. A good research project may run the risk of rejection simply because the proposal is poorly written. Therefore, it pays if your writing is coherent, clear and compelling.This paper focuses on proposal writing rather than on the development of research ideas.TITLE:It should be concise and descriptive. For example, the phrase, “An investigation of . . .” could be omitted. Often titles are stated in terms of a functional relationship, because such titles clearly indicate the independent and dependent variables. However, if possible, think of an informative but catchy title. An effective title not only pricks the reader"s interest, but also predisposes him/her favourably towards the proposal.ABSTRACT:It is a brief summary of approximately 300 words. It should include the research question, the rationale for the study, the hypothesis (if any), the method and the main findings. Descriptions of the method may include the design, procedures, the sample and any instruments that will be used.INTRODUCTION:The main purpose of the introduction is to provide the necessary background or context for your research problem. How to frame the research problem is perhaps the biggest problem in proposal writing.If the research problem is framed in the context of a general, rambling literature review, then the research question may appear trivial and uninteresting. However, if the same question is placed in the context of a very focused and current research area, its significance will become evident.Unfortunately, there are no hard and fast rules on how to frame your research question just as there is no prescription on how to write an interesting and informative opening paragraph. A lot depends on your creativity, your ability to think clearly and the depth of your understanding of problem areas.However, try to place your research question in the context of either a current “hot” area, or an older area that remains viable. Secondly, you need to provide a brief but appropriate historical backdrop. Thirdly, provide the contemporary context in which your proposed research question occupies the central stage. Finally, identify “key players” and refer to the most relevant and representative publications. In short, try to paint your research question in broad brushes and at the same time bring out its significance.The introduction typically begins with a general statement of the problem area, with a focus on a specific research problem, to be followed by the rational or justification for the proposed study. The introduction generally covers the following elements:1. State the research problem, which is often referred to as the purpose of the study.2. Provide the context and set the stage for your research question in such a way as to show its necessity and importance.3. Present the rationale of your proposed study and clearly indicate why it is worth doing.4. Briefly describe the major issues and sub-problems to be addressed by your research.5. Identify the key independent and dependent variables of your experiment. Alternatively, specify the phenomenon you want to study.6. State your hypothesis or theory, if any. For exploratory or phenomenological research, you may not have any hypotheses. (Please do not confuse the hypothesis with the statistical null hypothesis.)7. Set the delimitation or boundaries of your proposed research in order to provide a clear focus.8. Provide definitions of key concepts. (This is optional.)
2023-08-07 10:29:091

请英文好的朋友帮助检查一下以下英语写作有没有错误,谢谢

这么长的三个句子,让人看着很头晕,老外也不喜欢。你需要先把句子简化,然后再说语法问题。相信我说的,三个海外硕士,英文论文写了得有10万字了。
2023-08-07 10:29:174

Workshop Proposal是什么意思

工作室(车间)的建议计划书。
2023-08-07 10:29:252

if it is necessary to study the proposals for

Whether表选择,是【是否】的意思 If表推测,是【如果】的意思 在这里 根据句意:在做一个决定之前是否辩论对仔细研究建议是非常重要的. 所以应该选whether
2023-08-07 10:29:331

论文摘要翻译(中译英)(麻烦手翻)

From science and technology resources, technology and technological environment from three aspects of the established technology flextronics evaluation index system, and through the factor analysis in three aspects respectively from the country"s 31 provinces of comprehensive science and technology force, the present technology initiative"s problems. Finally, how to improve our technological force and puts forwards some Suggestions.本人英语高手,经过反复修改,语法错误应该没有。
2023-08-07 10:29:424

英语问题

e
2023-08-07 10:30:012

求助!!希望答案可以详细点

All recent proposals for planetary exploration, new flights to Mars and Venus, have been rejected or______.A. deferred B. conferred C.offered D. referred目前所有关于行星探索的提案,去往火星和金星的新航班都被取消或者_______A.deferred adj.延期的,缓召的; v.拖延,延缓,推迟( defer的过去式和过去分词 ); 服从某人的意愿,遵从; B. conferredv.<拉>商谈,商议( confer的过去式和过去分词 ); 授予,赋予; C.offeredv.出(价)( offer的过去式和过去分词 ); 提出; 演出; 做出; D. referredvi.(to)涉及,查阅; v.提到( refer的过去式和过去分词 ); 针对; 关系到; 请教; 根据题意来看,应该是“被取消或者被推迟”,故选A。
2023-08-07 10:30:211

关于图书馆建议的英语作文。

多少钱???????????????????????????????????????????????????????????????????????????????????????(亲亲)(亲亲)(亲亲)(亲亲)(那尼)(那尼)(那尼)(那尼)(哼哼锯了你)(哼哼锯了你)(哼哼锯了你)(哼哼锯了你)(哼哼锯了你)|????)っ? 喜欢你?
2023-08-07 10:30:293

谷歌编程之夏的含金量高吗

是不是谷歌官方举办的活动?这是全世界程序员,最向往的公司,肯定含金量,高啊,各种大牛,你以为你很厉害了,可能你一去会发现有的人,你怎么追都追不上,不是一个数量级.
2023-08-07 10:30:533

英语写作模板:建议信

范文   Directions: Your local library intends to improve its service and facilities. As a regular library use, please write a letter to the chief librarian, offering your suggestions. Your letter should be no less than 100 words. You dont need to write the address. Dont sign your own name at the end of the letter, use Donna instead.   Dear Sir or Madam,   I am glad to hear that the library is to take some measures to improve its service and facilities. So I am writing to offer my proposals.   We all know that libraries play a vital role in the education and entertainment of the general reader. In my opinion, our library should do its best to purchase the latest publications as well as make sure that it has a full set of classical and reference works. Another important facility I suggest is the Internet via computers. In this way, the library will expand its services to a larger number of readers.   All in all, I think a library should take all necessary measures to keep up with the times. I will highly appreciate your consideration of my proposals.   Yours sincerely,   Donna   译文   亲爱的女士或先生:   听说我们的图书馆将改善服务和设施我很高兴。我写信想提些我的建议。   我们都知道图书馆在对大众的教育和娱乐方面起了很重要的作用。我认为我们的图书馆应该尽量购买最新的出版物,另外要保证收藏所有的经典书和参考书。另外我要建议的是电子图书馆。这样,更多的人可以享受到图书馆的服务。   总之,我想一个好的图书馆应该紧跟时代的发展。希望你能考虑我的建议。   你真挚的:堂娜
2023-08-07 10:31:011

there are more than fifty proposals ( ) at the conference

在这次会议中有五十项提议将被讨论 B to be discussed 动词不定式做后置定语。
2023-08-07 10:31:211

---The manager finally agreed to our new marketing proposals. ---It never occurred to me  ...

C 试题分析:句意:--经理最后终于同意我们的新市场议案了。--我从没有想到你能成功的说服他改变主意。这里使用了固定句型:It occurs/occurred to sb that ….“某人突然想起…”,it是形式主语,that引导的是真正的主语从句,所以选C。
2023-08-07 10:31:281

highly appreciate是什么意思

高度欣赏 或高度感激,要看语境
2023-08-07 10:31:593

386.After paying due consideration to your proposals and investigating your business

due 到期due 应付的due应得物
2023-08-07 10:32:072

aql是什么等级?

天气预报中的aql指的是是空气质量等级。空气质量的好坏反映了空气污染程度,它是依据空气中污染物浓度的高低来判断的,空气污染指数是为了使公众对污染情况有直观的认识,而根据污染物的浓度计算出来的。一般而言,监控部门会监测数种污染物分别计算指数,并选取其中指数最大者为最终的空气污染指数。各个国家或地区对空气污染指数的计算方法和规定有所不同。空气污染指数划分为0-50、51-100、101-150、151-200、201-250、251-300和大于300七档,对应于空气质量的七个级别,指数越大,级别越高,说明污染越严重,对人体健康的影响也越明显。空气污染指数为0-50,空气质量级别为I级,空气质量状况属于优。此时不存在空气污染问题,对公众的健康没有任何危害。扩展资料:空气污染指数(API)是一种反映和评价空气质量的数量尺度方法,就是将常规监测的几种空气污染物浓度简化成为单一的概念性指数数值形式,并分级表征空气污染程度和空气质量状况。中国计入空气污染指数的项目暂定为:二氧化硫、氮氧化物和总悬浮颗粒物。空气质量的计算公式:当某种污染物浓度Ci,≤Ci≤Ci,j+1时,其污染分指数Ii=[(Ci-Ci,j)/(Ci,Cj+1-Ci,j)]×(Ii,j+1-Ii,j)+Ii,j式中:Ii第I种污染物的污染分指数;Ci第I种污染物的浓度值;Ii,j第I种污染物j十1转折点的污染分项指数值;Ci,j第j转折点上I种污染物的(对应于Ii,j+1);Ci,j+l第j十1转折点上I种污染物(对应于Ii,j+1)浓度值;各种污染参数的污染分指数都计算出以后,取最大者为该区域或城市的空气污染指数APIAPI=max(Il,I2……Ii……In)。
2023-08-07 10:29:531

slan是什么意思

slan是什么意思介绍如下:slan,英语单词,主要用作缩写词、名词,作缩写词时译为“出版地点、年代或出版者姓名不详(sine loco,anno,(vel),nomine,等于without place,year,or name)”,作名词时译为“(科幻小说中的)超人;智力和体格超群者”。短语搭配Slan Thurbel 斯兰·瑟伯尔slan effectivece 击球神情slan at 倾斜的American Slan 动感英语之俚语词典slan mod 主题slang slAN 俚语slan"derous 形容词slan excellentt n 主没有俗报道SLAN-G 微博梁穆一男双语例句Today my old slan has become as dust.今天,我的老茧化为尘埃。如何学好英语:一、“心到”。在课堂上应聚精会神,一刻也不能懈怠,大脑要始终处于积极状态,思维要活跃、思路要开阔,心随老师走,听懂每一句话,抓住每一个环节,理解每一个知识点,多联想、多思考,做到心领神会。二、“手到”。学英语,一定要做课堂笔记。因为人的记忆力是有限的,人不可能都过目不忘,记忆本身就是不断与遗忘作斗争的过程。常言说,“好脑筋不如烂笔头”。老师讲的知识可能在课堂上记住了,可是过了一段时间,就会忘记,所以,做好笔记很有必要。英语知识也是一点点积累起来的,学到的每一个单词、词组以及句型结构,都记在笔记本上,甚至是书的空白处或字里行间,这对以后的复习巩固都是非常方便的。三、“耳到”。在课堂上,认真听讲是十分必要的,不但要专心听老师对知识的讲解,而且要认真听老师说英语的语音、语调、重音、连读、失去爆破、断句等发音要领,以便培养自己纯正地道的英语口语。听见听懂老师传授的每一个知识点,在头脑里形成反馈以帮助记忆;理解领会老师提出的问题,以便迅速作答,对比同学对问题的回答,以加深对问题的理解而取别人之长补自己之短。四、“眼到”。在认真听讲的同时,还要双眼紧随老师观察老师的动作、口形、表情、板书、绘图、教具展示等。大脑里形成的视觉信息和听觉信息相结合,印象就会更加深刻。
2023-08-07 10:29:531

油电混合动力车到底是什么原理?

如下:以系列混合动力汽车为例,介绍了混合动力汽车的工作原理。在车辆行驶初期,电池处于全功率状态,其能量输出可以满足车辆的要求。辅助电力系统不需要工作。当电池功率小于60%时,辅助电源系统启动:当车辆能源需求较大时,辅助动力系统和电池组同时为驱动系统提供动力。当车辆的能量需求较小时,辅助动力系统为驱动系统提供动力,同时对电池组充电。由于蓄电池组的存在,发动机的工作状态相对稳定,其排放也得到了改善。并非所有的混合动力车都依赖于电动机、电池和电线。有些汽车是由液压发动机、液压管路和蓄电池组成的。混合动力汽车燃油经济性高,行驶性能优越,使用混合动力汽车发动机燃油,启动时,加速,辅以电动发动机,这样可以降低油耗,总体来说,与同尺寸汽车相比,燃油成本较低。
2023-08-07 10:29:567

船长哈尔威英雄事迹

1870年3月17日,两艘英国轮船“诺曼底”号和“玛”相撞,出事后,“诺曼底”号船长哈尔威在能逃生的情况下以身殉职。 详细情节:1870年3月17日夜晚,哈尔威船长照例走着从南安普敦到格恩西岛这条航线。大海上夜色正浓,大雾弥漫。船长站在舰桥上,小心翼翼地驾驶着“诺曼底”号。乘客们都进入了梦乡。 “诺曼底”号是一艘大轮船,在英伦海峡也许可以算的上是最漂亮的邮船之一。它装货容量600吨,船体长220尺,宽25尺。海员们都说它很“年轻”,因为它才7岁,是1863年造的。雾愈来愈浓了,轮船驶出南安普敦河后,来到茫茫大海上,相距埃居伊山脉估计有15海里。轮船缓缓行驶着。这时大约凌晨四点钟。周围一片漆黑,船桅的稍尖勉强可辨。像这类英国船,晚上出航是没有什么可怕的。突然,沉沉夜雾肿冒出一枚黑点,它好像一个幽灵,又仿佛一座山峰。只见一个阴森森的往前翘起的穿透,突破黑暗,在一片浪花中飞驶过来。那是“玛丽”号,一艘装有螺旋推进器的大轮船,它从奥德萨启航,船上载着500吨小麦,行驶速度非常快,负重又特别大。它笔直地朝着“诺曼底”号逼了过来。眼看就要撞船,已经没有任何办法避开它了。一瞬间,大雾中似乎耸起许许多多船只的幻影,人民还没有一一看清,就要死到临头,葬身鱼腹了。全速前进的“玛丽”号,向“诺曼底”号的侧旋撞过去,在它的船身上刨开一个大窟窿。由于这一猛撞,“玛丽”号自己也受了伤,终于停了下来。 “诺曼底”号上有28名船员,1名女服务员,31名乘客,其中12名是妇女。震荡可怕极了。一刹那间,男人、女人、小孩,所有的人都奔到甲板上。人们半裸着身子,奔跑着,尖叫着,哭泣着,惊恐万状,一片混乱。海水哗哗往里灌,看来不久船就会沉没的。然而更危险的是:船上没有封舱用的防漏隔墙,救生圈也不够。在这紧急关头, 哈尔威船长,站在指挥台上,大声吼喝:“大家安静,注意听命令!把救生艇放下去。妇女先走,其他乘客跟上,船员断后。必须把六十人救出去。” 实际上船上一共有六十一人,但是他把自己给忘了。船员赶紧解开救生艇的绳索。大家一窝蜂拥了上去,你争我夺,奥克勒大副带着船员拼命想维持秩序,但整个人群都像疯了似的,乱得不可开交。就在这时,船长威严的声音吓倒了一切呼号和嘈杂,黑暗中人们听到这一段简短有力的对话: “洛克机械师在哪儿?” “船长喊我吗?” “炉子怎么样了?” “海水淹了。” “火呢?” “灭了。” “机器怎样?” “停了。” 船长喊了一声: “奥克勒大副!” 大副回答: “到!” 船长问道: “还能坚持多少分钟?” “二十分钟。” “够了,”船长说,“让每个人都到小艇上去。奥克勒大副,你的手枪在吗?” “在,船长。” “哪个男人胆敢在女人前面,你就开枪打死他。” 大家立时不出声了。没有一个人违抗他的意志。人们感到有一个伟大的灵魂出现在他们的上空。 “玛丽”号也放下救生艇,救援工作进行得井然有序,几乎没有发生什么争执或殴斗。事情总是这样,哪里有可卑的利己主义,哪里也会有悲壮的舍己救人。哈尔威巍然屹立在他的船长岗位上,指挥着,控制着,领导着。他沉着镇定的,他把每个人和每件事都考虑到了,仿佛他不是给人而是在给灾难下达命令,一切似乎都在听从他的调遣。过了一会儿,他大声喊道:“把克莱芒救出去!”克莱芒是见习水手,还不过是个孩子。第20分钟到了,60个人全都登上小艇。船里的水越来越多,轮船就要沉入深深的海水中,人们尽力加快速度划着小艇在“诺曼底”号和“玛丽”号之间来回穿梭。 “速度再快点!”船长又叫道。他屹立在舰桥上,一个手势也没有作,一句话也没有说,犹如铁铸,纹丝不动,随着轮船一起沉入了深渊。人们透过阴森森的薄雾,凝视着这尊黑色的雕像徐徐沉进大海。忘了自己的人,人们不会忘记他。矗立在英吉利的哈尔威的雕像,被人们称为“永远不朽的丰碑”。
2023-08-07 10:29:461

AQL标准是什么?

ACCEPTABLE QUALITY LEVEL 验收合格标准的缩写,即平均质量水平,它是检验的一个参数,不是标准。AQL普遍应用于出口服装,纺织品检验上,AQL的标准有AQL0.010,AQL0.015,AQL0.025,AQL0.040,AQL0.065,AQL0.10,AQL0.15,AQL0.25,AQL0。40,AQL0。65,AQL1.0,AQL1.5,AQL2.5,AQL4.0,AQL6.5,AQL10,AQL15,AQL25 ,AQL40 ,AQL65,AQL100,AQL150,AQL250,AQL400,AQL650,AQL1000。不同的AQL标准应用于不同物质的检验上。在AQL 抽样时,抽取的数量相同,而AQL后面跟的数值越小,允许的瑕疵数量就越少,说明品质要求越高,检验就相对较严。下面就不同的AQL列表说明:验货的时候根据:批量范围、检查水平、AQL值决定抽样的数量和合格与不合格产品的数量。服装质量检查采用一次抽样方案,服装批量的合格质量水平(AQL)为2.5,检查水平为一般检查水平,检查的严格度为正常检查。其抽样方案见表:正常检查一次抽样方案(AQL-2.5) AQL是----ACCEPT QUALITY LEVEL 的简称,是一个国际标准, 1 ) AC=Acceptable number =使用箭头下面的第一个数值 =使用箭头上面的第一数值抽样数量是以一般检验II级检验水平来进行的。2 ) AQL0.010----0。10 是用电子产品,医疗器械等检验AQL1.0----6.5 是用于服装,纺织品等检验它指的是一个抽样参数,一般用于批量生产,检验人员样本抽检并检验合格与否的参数表
2023-08-07 10:29:452

小米公司雷总在发布会上演讲的一句话:Are you __??(填英文字母).

傻(添上去,不是说你)
2023-08-07 10:29:435