关于计算机的英文演讲稿 5分钟英语ppt演讲计算机

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Advantages and Disadvantages of eLearning

There are many advantages to online and computer-based learning when compared to traditional face-to-face courses and lectures. There are a few disadvantages as well.

Advantages of online or computer-based learning

Class work can be scheduled around work and family

Reduces travel time and travel costs for off-campus students

Students may have the option to select learning materials that meets their level of knowledge and interest

Students can study anywhere they have access to a computer and Internet connection

Self-paced learning modules allow students to work at their own pace

Flexibility to join discussions in the bulletin board threaded discussion areas at any hour, or visit with classmates and instructors remotely in chat rooms

Instructors and students both report eLearning fosters more interaction among students and instructors than in large lecture courses

eLearning can accommodate different learning styles and facilitate learning through a variety of activities

Develops knowledge of the Internet and computers skills that will help learners throughout their lives and careers

Successfully completing online or computer-based courses builds self-knowledge and self-confidence and encourages students to take responsibility for their learning

Learners can test out of or skim over materials already mastered and concentrate efforts in mastering areas containing new information and/or skills

Disadvantages of online or computer-based learning

Learners with low motivation or bad study habits may fall behind

Without the routine structures of a traditional class, students may get lost or confused about course activities and deadlines

Students may feel isolated from the instructor and classmates

Instructor may not always be available when students are studying or need help

Slow Internet connections or older computers may make accessing course materials frustrating

Managing computer files and online learning software can sometimes seem complex for students with beginner-level computer skills

Hands-on or lab work is difficult to simulate in a virtual classroom

理工达人O(∩_∩)O~~为你解答！

昨天今天明天英语演讲稿

1 life only three days: yesterday, today and tomorrow. Yesterday is history, tomorrow is still not coming, We can't take back, tomorrow will be yesterday please also cannot advance. We can grasp the only today. We always think that today is the most important, today seems to represent our whole life. Today, will become a good grasp of the bad yesterday. Yesterday the chrysanthemum as is a withering insufficient cherish. Tomorrow is needless to say, a song of tomorrow like tomorrow is the wasted time, is the inert excuses, is to make us an incentive. Of course, we should seize today, but we never abandon yesterday, more can't give up tomorrow. Today is yesterday we boarded the steps. Yesterday, we didn't go today. Yesterday is an important part of today. No good yesterday, won't have vast today, No yesterday, today will be more drab and thin. We have the most yesterday, there is the precious wealth yesterday, and have the knowledge, have deep thoughts, superhuman wisdom, a life of rich necessary material civilization. Yesterday is a history, a record of our life, success and failure, glory and disgrace, experience and lessons, dispirited and brilliance. As a teacher education yesterday with us, guides us, that the air we breathe with wisdom. Yesterday is a mirror, can shine on, good, beautiful or ugly. As a preacher yesterday, tell us how to behave, guide us into a noble moral halls. Yesterday, tell us how to treat death, tell us how to attain rebirth. Yesterday, let us learn to think, memory, and learn to treasure, learned, let us know the meaning of life and death. Tomorrow is not at the end of the time tunnel. Tomorrow is empty, featherweight. But tomorrow is filled with hope and dream and hope. Tomorrow is a mystery. Hidden treasures of endless tomorrow, we need to dig, Countless opportunities to hide, we need to grasp, Hide not clear the miracle, waiting for us to create, Many strange hanging fruit and melons vision for us to gather. Tomorrow is our ideal, so we are happy, we are the paradise of elysium, and god's gift to our paradise. Tomorrow perhaps is our the whole meaning of life. No tomorrow, will become ruins, yesterday, today, tomorrow, have become end. Today is short, is erratic, is restless, is changeable, are elusive. But today is the most realistic, most anacreontic. Only let the flickering today become accurate specific today, we can make huge thick yesterday, can also have a brilliant future. Today is yesterday's foundation, action, tomorrow is plan. Not today, yesterday will not progress, the plan of tomorrow will fail. Today, we will not sail out of the harbour yesterday, not tomorrow. Hemingway said, I only on what to do next, when to rest for. If this is so, has set the yesterday and today, the good today has set good tomorrow. We have brought yesterday, today, tomorrow and pretend. Yesterday is always there, today and tomorrow will no longer and eventually one day we meet, we will be in a fixed yesterday. We are destined to live in today, tomorrow, and died in the dream of yesterday. So what we truly home yesterday. We only know yesterday, the only way to know tomorrow, what is today. Life is only three days, yesterday, today and tomorrow. Yesterday is just a belongs to the past, memory, Today, we need to cherish now, Tomorrow belongs

我的母亲英语演讲稿

My mother

I have a great mother. She cares much about me in my

life and study. In the morning, she gets up early to make breakfast for me. When

I was little, she prepared my schoolbag. But now, she tells me to do it by

myself. Because she thinks I have been old enough to do it. Besides, she always

checks my homework. When I finish my homework, she checks it and points out the

mistakes. She is very careful and helps me a lot. I love my mother.

翻译：我有一个伟大的妈妈。她很关心我的学习生活。早上，她起得很早给我做早餐。当我还很小的时候，她帮我准备好书包。但是现在，她告诉我要自己做这些，因为她觉得我已经长大了能够自己完成。除此之外，她经常检查我的作业。当我完成作业的时候，她就帮我检查并指出错误。她很细心，帮了我很多。我爱我的妈妈。

望采纳！

My Mom gets up very early every day because she needs to prepare breakfast for Dad and me. After breakfast, she does some dish washing while Dad and I will go for work and school respectively. Then she will do some housekeeping work during the whole morning, like washing our clothes and cleaning and then see some TV programmes. Then she will start cooking lunch at noon. Mom will go for some community activity in the afternoon, like singing and dancing. Then she will come back home for cooking dinner. 妈妈早上很早就起床，因为她要为我和爸爸准备早饭。吃完早饭，我和爸爸分别上学上班，妈妈就在家收拾，洗洗碗、洗洗衣服和一些其他的家务，然后就看一些电视节目。妈妈也要为我们准备午饭。整个下午，妈妈都会去参加一些社区的活动，比如唱歌、跳舞，然后她就回来准备给我们做晚饭了。

三分钟经典英语演讲稿

Keep Your Direction 坚持你的方向

What would you do if you failedMany people may choose to give up. However, the surest way to success is to keep your direction and stick to your goal.

On your way to success, you must keep your direction. It is just like a lamp, guiding you in darkness and helping you overcome obstacles on your way. Otherwise, you will easily get lost or hesitate to go ahead.

Direction means objectives. You can get nowhere without an objective in life.

You can try to write your objective on paper and make some plans to achieve it. In this way, you will know how to arrange your time and to spend your time properly. And you should also have a belief that you are sure to succeed as long as you keep your direction all the time.

翻译：

如果失败了你会怎么做？很多人可能会选择放弃。然而，要想成功，最可靠的方法就是坚持你的方向和目标。

在通往成功的路上，你必须坚持你的方向。它就像一盏灯，在黑暗中为你指路，帮助你度过难关。否则，你很容易就会迷失方向或犹豫不前。

方向意味着目标。人生如果没有目标，将一事无成。

你可以试着把你的目标写在纸上，并制定实现目标的计划。这样，你就会懂得如何合理安排时间，如何正确地支配时间。而且你还要有这样的信念：只要你一直坚持自己的方向，你就一定可以成功。

Ladies and Gentlemen , Good afternoon! I’m very glad to stand here and give you a short speech. today my topic is “youth”. I hope you will like it , and found the importance in your youth so that more cherish it.

First I want to ask you some questions:

1、 Do you know what is youth?

2、 How do you master your youth?

Youth

Youth is not a time of life, it is a state of mind ; it is not rosy cheeks , red lips and supple knees, it is a matter of the emotions : it is the freshness ; it is the freshness of the deep springs of life .

Youth means a temperamental predominance of courage over timidity of the appetite , for adventure over the love of ease. This often exists in a man of 60 more than a boy of 20 . Nobody grows old merely by a number of years . We grow old by deserting our ideals.

Years wrinkle the skin , but to give up enthusiasm wrinkles the soul . Worry , fear , self –distrust bows the heart and turns the spirit back to dust .

Whether 60 of 16 , there is in every human being ‘s heart the lure of wonders, the unfailing childlike appetite of what’s next and the joy of the game of living . In the center of your heart and my heart there’s a wireless station : so long as it receives messages of beauty , hope ,cheer, courage and power from men and from the infinite, so long as you are young .

When the aerials are down , and your spirit is covered with snows of cynicism and the ice of pessimism, then you are grown old ,even at 20 , but as long as your aerials are up ,to catch waves of optimism , there is hope you may die young at 80.

Thank you!

青春

青春不是指岁月，而是指心态。粉嫩的脸，红润的唇，矫健的膝并不是青春。青春表现在意志的坚强与懦弱。想象的丰富与苍白、情感的充沛与贫乏等方面。青春是生命深处清泉的喷涌。

青春是追求。只有当勇气盖过怯弱、进取压倒苟安之时，青春才存在。果如此，则60见之长者比20岁之少年更具青春活力。仅仅岁月的流逝并不能使他们衰老。而一旦抛弃理想和信念，则垂垂老也。

岁月只能使皮肤起皱。而一旦丧失生活的激情，则连灵魂枯老，使人生枯如死水，毫无活力。

60岁长者也好，16岁少年也罢，每个人的内心深处都渴望奇迹，都如孩子一般眨着期待的双眼，期待着下一次，期待着生活的情趣，你我灵魂深处都有一座无线电中转站------只有你我年轻，则总能听到希望的呼唤，总能发出喜悦的欢呼，总能传达勇气的讯号，总能表现出青春的活力………

一旦青春的天线倒下，你的灵魂即为玩世不恭之雪、悲观厌世之冰覆盖；即使你年方20.其实你已垂垂老也。而只要你青春的天线高高耸起，就可以随时接收到乐观的电波-----即使你年过八旬，行将就木，而你却仍然拥有青春，你仍然年轻。

谢谢！

推荐百度名人演讲稿马丁路德金的排比比喻不错奥巴马的举实例语法也很好

初一英语演讲稿简单

金钱能买来幸福吗-Can Money Buy Happiness?

Can Money Buy Happiness?

Can money buy happinessDifferent people have different opinions. Some think yes, while others hold the opposite.

It is true that with enough money one can buy all the things one wants, and live a life of comfort and security. However, it is equally true that lack of money causes great distress. It is a common view that "money is the root of all evil." The pursuit of money drives many people to cheat and steal. In some places there is nothing that cannot be bought with money, resulting in corrupt societies where everybody is miserable.

So, money does not necessarily mean happiness. It all depends on how it is used. If we make honest and sensible use of money, it can be a stepping-stone to happiness l Although money cannot buy happiness, it can make happiness possible if it is employed sensibly.

金钱能买来幸福吗?

金钱能买来幸福吗?不同的人有不同的回答。有的人认为能，有的人则持相反的意见。

诚然一个人如果有足够的钱可以买到他想要的所有物品，过上舒适稳定的生活。然而，同样缺钱往往引起巨大的忧伤。人们常常认为“金钱是万恶之源”，对金钱的追求驱使许多人去骗去偷。在某些地方，没有钱买不到的东西，导致社会的腐化堕落。

所以，金钱并不一定就意味着幸福。这取决于怎样使用金钱，如果我们诚信明智地使用金钱，它将是幸福的基石。尽管金钱买不到幸福，但它可以使幸福成为可能。

吸烟与健康-Smoking And Health

Smoking And Health

Today smoking is a widespread habit ali over the world. Not only the old, the youth, but also middle school students have been engaged in smoking. Many of them think that smoking is a smart symbol.

However, smoking is harmful to one’s ,health. It contributes a lot of lung cancer, from which many people have died in the past years. It can also cause many other diseases. In a word, if you smoke, you do have a much greater chance of losing your health. Furthermore, scientific research shows that smoking is not only harmful to smokers themselves, but also a threat to public health, especially to women and children. Therefore, many countries have made laws forbidding smokers to smoke m public places such as cinemas, stations, hospitals, and so on Giveup smoking! If you don’t smoke, don’t start. Give upsmoking for the sake of your health, for the sake of your family, and for the sake of the whole world.

吸烟与健康

现在，吸烟是一个世界范围的习惯，不仅老年人、青年人吸烟，就连中学生也加入到这个行列中来，他们中的许多人认为吸烟是一种潇洒的象征。

然而，吸烟对人的健康是有害的，它会引起肺癌，在刚刚过去的几年中；许多人因此而丧命，还可能引发其他的疾病。总之，如果你吸烟的话，你就很可能失去拥有健康的机会，更进一步说，科学研究显示，吸烟不仅危害吸烟者本人，而且对公共健康来说，也是一个凶兆，尤其是对妇女和孩子。因此，许多国家都制定了不准在公共场合吸烟的法规，例如：电影院，车站，医院等地。

戒烟吧，如果你还未染上，请不要开始；戒烟吧，为了你的健康，为了你的家庭的健康，为了整个世界的健康。

环境与发展-Development and the Environment

Development and the Environment

It is undeniable that the worsening environment has become the biggest concern of the present-day world. Land resources are dwindling because of water loss and soil erosion. Waste gases poison the air we breathe. The rivers and lakes are polluted by waste dumped in them from factories. It is probably no exaggeration to say that deterioration of the quality of the environment threatens the existence of mankind itself.

Some people are of the opinion that the environmental problem is the price we have to pay for economic development. But I do not think that this argument is valid. After all, what is the point of economic growth if people’s lives are adversely alfected by worsening environmental pollution?

There is plenty of evidence to show that sustainable development can be achieved by balancing economic growth with protection of the environment. The key to achieving this is to make people aware of the seriousness of the problem. Both governments and ordinary citizens should join hands to make this world a better place to live in, not only for ourselves, but also for future generations.

环境与发展

不可否认的是环境恶化已成为当今世界上人们最担心的事了。因为水资源的浪费和土壤被侵蚀，土地资源逐渐缩小。我们呼吸着有毒的空气，河流和湖泊也被附近的工厂里排放出来的废弃物严重污染了。不夸大其词地说，环境质量的恶化很可能威胁人类的生存。

有些人说环境问题是我们为经济发展所付出的代价。对此，我不敢苟同。如果人类的生活被日益恶化的环境污染所影响的话，那么，经济发展的意义何在?

足够的证据表明：经济发展与环境保护的平衡可以实现可持续发展。关键是使人们意识到问题的严重性。政府和普通市民两方都应该携手使地球成为更适合人类居住的地方，这不仅是为我们自己，也是为我们的后代。

看看你需不需要啊？不行的话可以到网站上搜搜看哦！

可以做自我介绍

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