下载本文档
版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
1、发明创造的英语演讲稿5篇 发明创造的英语演讲稿1in our life,there are many great inventions,such as the light,the pencil,the bag.at the age of 6,my father brought a car,he took me to school on the first day of school.it was so exciting.i fell in love with this invention on that day.the car can go anywhere and save time,but
2、 it also pullutes our environment.i holp i can invent clean cars.i hope the cars will enter every family,and i love cars best.在我们的生活中,有许多伟大的发明,如光、铅笔、书包6岁的时候,我爸爸有一辆车,他在开学的第一天带我去上学。这是如此令人兴奋。那天我爱上了这个发明。汽车可以去任何地方,可以节省时间,但它也会影响我们的环境。我想发明清洁汽车。我希望汽车能进入每个家庭,而且我最喜欢汽车。发明创造的英语演讲稿2in modern life we have many in
3、ventions.thesemachines are very useful.they can make things better and faster than people.a washing machine can help us wash clothes.we have more time to do that we want to doduring this time.a printing machine prints a lot of books,newspapers and other things qiickly.buses,bikes,cars,trains,planes
4、and shipshelr us travel faster than before.the compter is wonderful machine.it is one of the most important inventions.today it is used in many ways.it can store innformations and work out math problems millions of times faster than a person can.in a few years,the computer may touch the lives of eve
5、ryone.even people in faraway villages.发明创造的英语演讲稿3what is my favorite invention?we knew there had been many inventions at the last century, for example, electric light bulb, telephone, phonograph, mimeograph machine, automobile, airplane, atomic weapon, computer and so on. what is my favorite inventi
6、on?personally, my favorite invention should be computer. in the old days, many scientists took much time to calculate and deal with research data, so the effective time in doing research was relatively shortened. for millions of times of calculating per second by computer, the researchers may have e
7、nough time to study more important issues. the processing of experiment results became very simple and easy. arent those all evidences that the computer is one of the greatest inventions in the last century, are those?发明创造的英语演讲稿4in the early nineteenth century, people began to use gas (gaslight), bu
8、t the gas pipeline supply by a leak or blockage, very easy to have an accident, people for illumination of reform, very ardent.in fact, edison for himself set the mission impossible: in addition to improve lighting, but also of thomas edison electric light create a set of power supply system.and he
9、and the dream luoyuan buddies, sleepless do 1600 repeatedly heat-resistant material and more than 600 plant fiber experiment, only produced the first carbon wire bulb, can a burning 45 hours.later he more on this basis, the method of continuous improvement manufacture can ignite 12 hours finally cam
10、e out with the zhusi bulbs.the 19th century the 1980s, edison electric light career succeeded, this success than any previous achievements brought him reputation.in the 1980s, before he had little mistake, intermediate later, although he has made great achievements, but also common occurance of fail
11、ure.edisons most not commendable actions is one of his criticism alternating current, say it has side effects, likely cause of death and injury, but he did not add details.so somebody said, as he such a mess out many inventions that people about others new invention saurday attack, this is very cont
12、radictory things. he opposes the use of alternating current and direct current, so the approve a fierce debate and stubborn in failure.in this respect, reflects the edison became a celebrity after the stubbornness of started to foster old-fashioned shortcomings.发明创造的英语演讲稿5hi, everyone. as we all kno
13、w,many great inventions have brought great changes to our life. i think we students can also invent something.大家好!我们都知道,许多伟大的发明给我们的生活带来了巨大的变化。我认为我们学生也可以发明一些东西。today im glad to be here to talk about what id like to invent - a chair thats good for students health. it will be made of wood. there will be two sensors in it - one on the seat, and the other on the back of the chair. when the student doesnt sit straight, the chair will remind him .if he sits on the chair for over one hour ,it will make a noise. it wont stop until the student stan
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- new华中农业大学2026年思想政治辅导员招聘备考题库及1套完整答案详解
- 成都市实验中学教师招聘20人备考题库完整答案详解
- 2025年农村生活垃圾焚烧发电技术创新应用场景可行性研究报告
- 2025年社交平台营销五年发展报告
- 2026年温州市瓯海科技投资有限公司面向社会公开招聘工作人员备考题库有答案详解
- 2026年脑智研究院招聘刘裕峰课题组招聘科研助理岗位1名备考题库及答案详解(新)
- 2026年重庆能源集团健康公司永荣总医院招聘医生、护士备考题库参考答案详解
- 昆山钞票纸业有限公司2026年度招聘备考题库及完整答案详解1套
- 2026年政协漯河市委员会所属事业单位人才引进备考题库(含答案详解)
- 2026年四川川投康达欣大药房有限责任公司招聘备考题库及答案详解参考
- 高速公路维修施工方案与措施
- 纺织品的物理化学性质试题及答案
- 发改价格〔2007〕670号建设工程监理与相关服务收费标准
- 高空作业吊板施工方案
- 鸡舍钢结构厂房施工组织设计方案
- 图书馆管理系统设计与实现答辩
- 扳机点(激痛点)疗法(理论及实操演示附全身激痛点分布图)
- 2024年北京第二次高中学业水平合格考英语试卷真题(含答案)
- 企业如何做好培训工作
- 测量常用坐标系课件
- 招标代理机构入围 投标方案(技术方案)
评论
0/150
提交评论