我家有一台联想笔记本电脑,长约30厘米,宽约24厘米,厚约6厘米,和一本大笔记本差不多。它虽然是电脑的微缩型,但价格可比普通电脑贵了差不多一倍,可功能却一点都不少。
笔记本电脑通体漆黑,像一块黑绸缎一样。面板上有一块legend的联想标志闪闪发光。主体四周有一些可以打开的小门,可以放入软盘、光盘;还有许多输入,输出口,可以插入电线,连接许多复杂的小配件,如稳压电源,耳机,“猫”(调制解调器等。
打开盖板,只见盖板里面一块微型液晶板映入眼帘,原来这就是显示器。主体上面是排列非常紧凑的键盘,键盘的下方有一个感应器,具有鼠标的功能。键盘的上面有两个喇叭,以至电脑的背景音乐十分宏亮。左侧面还有一个开关,这是电源总开关,控制着电脑的开和关。右侧面还有一个插口,是鼠标插入的地方。我非常爱用它来休闲。打开它,我就有一种新鲜感。用鼠标在因特网上漫游,可以看到很多奇妙的趣文,十分舒坦。它还能帮助我学习文化知识。记得有一次,我在做数学题时,遇到了一道难题,便请教这位“老师”。它先“讲”出解题的思路,然后列出几种解题算式。让你选择一种正确的。你如果答得好,它还会放一段动画片奖励你呢!有时我也玩游戏,一个人太没意思了,它就会和我“并肩战斗”。
这个电脑可以储电,因为主体体中有蓄电池。白天不在家,就插上插头,给它补补“力气”,也挺有趣的。充满电的它无需电源插头,直接可以使用。与普通电脑相比,它体积小,便于携带,所以人们称它“便携式电脑”。
笔记本电脑是我的好老师,也是我的好伙伴,更是世界高科技发展的象征。
Dear Sir/Madam:
As a teacher at xxxx school, I am writing to provide you a recommendation for Miss/Mr.xx so as to help you assess her/his application for acceptance into your program and consideration for financial aid.
Considered a promising student with originality and sophistication in her/his thinking, (she/he was asked, in the spring semester of 2008, to develop a subsystem of a DBMS project for her B.S.thesis, for which I was the chief leader. T
his subsystem was designed to manage the information of materials in NO.1 Foundry Plant of Dongfeng Auto Works.To do the job, she/he read many books about software engineering and took some courses in Database Principles and Management. Keenly aware that the design of a DBMS decides the quality of the whole software system, she did her/his utmost from the beginning of the project.(参加过什么活动. From analyzing users requirements to designing the whole system, from the detailed designing to the final programming, she was very level-headed and full of innovation every step of the way. Taking full advantage of her ability and creativity, she firmly focused herself on her objective and gnored all distractions. She successfully reached her goal. In the final software testing, only a few bugs were found in her subsystem. My appreciation of her talelent was thus confirmed.Miss is a very personable woman, friendly and helpful, and she has always been a team player in her work.
I would greatly appreciate it if you could give her application for candidacy to your Ph.D. program favorable consideration. Should you need any further information in your deliberation, please do not hesitate to contact me.
Sincerely xxxx
Dear Admission Committee:
Miss Pan Bei requested a letter of recommendation from me to support her application for graduate program at your university. As her teacher, I am pleased to comply with her request.
I first got to know Miss Pan when she enrolled at university and I was the assistant director of her class at that time. Being a professor for several years, I noticed that due to the lack of self-learning ability, it is really challenging for students, even those performing excellent in senior school, to keep up with the college speed. However, as a diligent girl without any solid background in Computer Science before college, she adapted quickly to the especially competitive environment in our department. At the end of the first year, she earned the 5th rank in her class, while ranking 1st among the girls. I was fairly impressed by her self-learning technique and exceptional efforts. Hence, I believe, goal-oriented, not afraid of inchoateness and with persistence, she has the quality to make achievements.
What distinguished her among her classmates, I think, was that she went far beyond acquiring excellent scores in the exams and instead got her range of knowledge enlarged. In spring, 2006, Miss Pan took the course I taught named Algebraic Structures and Combinatorial Mathematics. This inquisitive and assiduous young woman was sometimes the last to leave after my class, raising novel questions related to the subject. I found that she understood the knowledge in depth and detail. Furthermore, I still remember during the spring vocation in May, due to the break-down of my mail box, I missed her mails to discussing some questions. But the following week during the course time, she asked me directly. Her zeal for knowledge and the spirit to explore answers really leave me a deep impression. Finally, she was among the few students who got almost full marks in every test in class which showed her exceeding grasp of every chapter. Thus, I gave her 98/100 for the excellent performance in my course.
In summary, I have every reason to believe that Miss. Pan will make outstanding performance at your university as a graduate. I would appreciate greatly if you give her a favorable consideration. Please feel free to contact me directly if more assistance is needed. Faithfully yours,
Wanling Qu, Professor
Department of Computer Science and technology Peking University
Email: qwku.edu.cn
你知道什么东西可以让我们快速的查资料、传送电子邮件吗?答对了!是电脑!它可是所有电器中最受欢迎的呢!我们在生活中最需要它,因为可以不用出外晒太阳就能买到想要的商品。电脑有好处也有坏处,它真像个“双面间谍”。
在三年级的时候,我开始学电脑,当时我认为电脑只是用来玩游戏而已,没想过所谓的大经理、大老板,每天所依靠的就是电脑。现在,我想法不同了,开始慢慢理解,学电脑是为了方便人们的生活,例如:大部分上班族,他们需要统计资料、制作图表,打字是必要学习的!设计师,现在大多用电脑取代手绘,连衣服也是透过电脑设计。电脑,真是个可靠的小帮手啊!
现代人,大多以电脑为朋友,例如:宅男,没事吃饱太闲就只知道打电脑,但它们并不是在做有益的事情,而只是在玩线上游戏。越来越多的人沉迷在网咖,我们这些“未来的主人翁”花费时间,却浪费在没用的事情。唉-电脑,你真是个害人精!
但是,电脑不只有坏处而已。每件事物都有好有坏,当然电脑也不例外!虽然它很坏,但也有很大的益处。它的益处是-当我要传送电子邮件时,它就马上变身为“小邮差”;当我要写文章时,它就成了我的笔。喔!电脑,你怎么那么可靠!
我们的生活里不能没有电脑,有人把它当朋友,更有人把它当作神,而我,把它当作小帮手。它既能娱乐我的生活,也丰富了我的世界。你能说电脑永远只带来负面的影响吗?我不认为。电脑,你到底是何方神圣?是好还是坏?在我心里,你始终被盖上一层朦胧的薄纱!
人们都认识电脑,那对电脑的认识又有多少呢?听我的介绍吧。
电脑,又名计算机,这是一种能够按照程序运行,自动、高速处理海量数据的现代化智能电子设备电脑由硬件和软件组成,没有安装任何软件的计算机称为裸机,常见的型号有台式计算机、笔记本计算机,较先进的计算机有生物计算机、光子计算机、量子计算机等。
随着科技的发展,电脑已有了许多种类型,以前的人们习惯地把计算机分成巨、大、中、晓、微五类,即巨型机、大型机、中型机、小型机、微型机。现在人们把计算机分成服务器、工作机、台式机、便携机,手持设备五大类。
电脑非常方便,歇息时有困难可以上网查资料,空闲时可以上网找同学聊天,需要物品时可以网购。有了电脑整个地球就变成了一个小村子,人们可以互相沟通,不管在天涯海角都可以联系。不过任何事物都有两面性,电脑也不例外,如果一直坐在电脑前面就会近视,有些人沉迷网络,得了“网瘾”。
电脑给了人们便利,但同时也带来了危害。
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