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chap1Introduction-PPT课件

chap1Introduction-PPT课件
Introduction

Computer Talents Computer Science and Technology The Course About Computing Essentials
Computer Talents
1． 2． 3． 4． general people computer user application programmer systems developer
8,13, 24,36
Computer
Figure 1-3
Same program, different data
Figure 1-4
Same data, di. von Neumann Model
Computer
is based on the von Neumann
Chapter
4: Operations on Bits
Chapter 1
Introduction
Chapter 1: Introduction
1.1. The Computer as a Black Box 1.2. von Neumann Model 1.3. Computer Hardware 1.4. Data 1.5. Computer Software 1.6. History 1.7. Keyterms 1.8. Summary
About Teaching Plan
Chap1~Chap15 Four
Lectures 80%
Practice 20%
（教室楼机房 205、206、305、306）
About References
1 ． Computer science –An overview, Sixth Edition, J.Gleen Brookshear, 人民邮电出版社， 影印, 2019.1 2．Computing Essentials， Timothy J. O’Leary (高等教育出版社影印), 2000.7 3．计算科学导论，赵致琢，科学出版社, 2000.8 4．计算机导论，王玉龙，电子工业出版社， 2019.8 5. 计算机导论双语课程网站（学校主页/教学资源）

self-introductionPPT课件

self-introductionPPT课件

I have a big heart.
我心胸宽广。
I hold no grudges.
我不会怀恨在心。
I always let bygones be bygones.
我总是既往不咎。
.
18
Self-introduction（18）
My motto is: Play hard, 我的座右铭是：尽情玩耍、
我是会做事的人。
.
16
Self-introduction（16）
I’m optimistic.
我很乐观。
I’m happy-go-lucky.
我很乐观。
I always look on the bright 我总是看事情好的一面。 side of things.
.
17
Self-introduction（17）
.
12
Self-introduction（12）
Second, I have a bad sense of direction.
第二，我方向感很差。
I often get lost.
我常常迷路。
When I’m with another 当我和另一个人在一起时，
person, I always let
我要从身体、心灵和学术 上改进我人生的各个方 面。
.
11
Self-introduction（11）
I have some drawbacks.
我有一些缺点。
First, I’m always crying.
第一，比较爱哭。
This is something I want 这是我想要努力改进的。 to work on.
学好英语是我的目标。

第一章Introduction

第一章Introduction

1. 2 按主链(main chain)结构分
1）碳链(carbon chain)聚合物： 大分子主链由碳原子组成。绝大多数烯类(olefin)和二烯 (diolefin)类聚合物 2）杂链(heterochain)聚合物： 主链上除C外还有O、N、S等杂原子。如：聚酯 (polyester)、聚醚(polyether)、聚氨酯 (polyurethane)、聚硫橡胶(thio rubber)等。
通用型橡胶：丁苯(butadiene styrene)橡胶、顺丁 ➢ 分类： (cis 1.4 polybutadiene)橡胶、天然橡胶。
特种型橡胶：丁腈(butyronitrile)橡胶、硅 (silicone)橡胶、氯丁(chlorobutadine)橡胶。
• 纤维(fiber)
➢ 特点：弹性模量大；形变小；强度高；分子量小（一般为几万）。 ➢ 分类：
自由基阳离子或阴离子无特定的活性中心往往是带官能团单体间的反应单体一经引发迅速连锁增长由链引发增长及终止等基元反应组成各步反应速率和活化能差别很大反应速率和活化能差别很大反应逐步进行每一步的反应速率和活化能大致相同体系中只有单体和聚合物无分子量递增的中间产物体系由单体和分子量递增的一系列中间产物组成转化率随着反应时间而增加分子量变化不太分子量随着反应的进行缓慢增加而转化率在短期内很高聚合物最基本特征聚合物最基本特征分子量大分子量大平均分子量四
第一章 绪论 (Introduction)
目的： ➢ 介绍高分子化学中一些重要的基本概念； ➢ 了解学习本课程的目的意义。 要求： ➢ 掌握高分子化合物的基本概念、命名及分类； ➢ 初步了解聚合物的平均分子量、分子量分布、 结构性能等基本概念；
一、定义及基本概念
1. 定义 (definition)

introduction.ppt

introduction.ppt

5
6
7
After an appointment, such as overtime did not take, then cancel the reservation The distribution of tools in an appointment: each time period is assigned a number of various tools, the number of distribution according to the previous loan records statistics Show the lack of tools, feedback to the administrator If there is no tool when making an appointment, the system reserves the reservation information, if there is the tool, then notify the user.
6
PART TWO Statement Analysis
Entity
Employee Username Id Password Sexy DepartmentId CreditDegree WorkType Phone Tool Id Model Type Price Stock RequestRate SupplierInfo LossDegree Administrator Username Id Password Sexy DepartmentId Phone
Repaire Tools
Tool damage, by the administrator to judge the tool damage, and then decide whether to repair Can repair -- repair list Can not repair - purchase list

学术英语写作Unit 6.Introduction(课堂PPT)

学术英语写作Unit 6.Introduction(课堂PPT)
6
Sample Analysis
Introduction
1.Polylactide (PLA) has received much attention in recent years due to its biodegradable properties, which offer important economic benefits. 2.PLA is a polymer obtained from corn and is produced by the polymerization of lactide. 3.It has many possible uses in the biomedical field1 and has also been investigated as potential engineering material.2,3 4.However, it has been found to be too weak under impact to be used commercially.4
5.One way to toughen polymers is to incorporate a layer of rubber particles5 and there has been extensive research regarding the rubber modification of PLA. 6.For example, Penney et al. showed that PLA composites could be prepared using blending techniques6 and more recently, Hillier established the toughness of such composites.7

Unit 1 introductionppt课件

Unit 1 introductionppt课件
Unit 1 introduction
Advanced Medical English Writing
第四军医大学 外语教研室 主任 周玉梅 教授
周玉梅
第四军医大学基础医学院外语教研 室主任、教授、硕士生导师， 2009.2─2010.3 美国伊利诺伊大学访问 学者。出版教材和专业书籍 30余部，在 国内外学术刊物发表论文 50余篇。现任 中国科技论文统计源期刊《细胞与分子 免疫学杂志》英文编辑，美国
1
Overview of an essay
Description/ Descriptive essay
Description is defined as the expression of what the five senses experience in vivid language, making the reader
Narration provides detailed account of an experience as a way to support the thesis. It adds weight to opinion, brings back memory and evokes times, places and people in a compelling way. (Sample 3: Alexander Fleming and Penicillin, pp.22-23)
Introduction
Conclusion
3
Introduction of an essay
Introduction provides the context of the essay and indicates its thesis statement. It usually

introduction_ppt

introduction_ppt

1
570
570
小明的生活細節 18:00 - 開了客廳的冷氣和燈， 18:30 然後玩電視遊戲機
小明的碳排放計算項目 18:00- 0.5小時客廳冷氣、燈、 18:30 電視遊戲機和電視
電視遊戲機需要同時使用電視啊 !!!
18:30 - 回房間開燈和冷氣做 19:30 功冷氣 19:30
沒有列明在手冊上的項目不用記錄！
2. 總結每天的碳排放，並由家長或老師簽名 確認 3. 參考手冊及網上的「低碳行動」，減少碳 排放 4. 填寫「碳排放總記錄表」，總結過去14天 的碳排放 5. 填寫14天實踐低碳行動的感想及體驗 (如有) 6. 將資料交給老師
小明的碳排放
時間 碳排放活動
均衡飲食
15. 每餐吃不多於一道含肉類的菜式
每日減少吃一道含牛肉的菜式，一年可減少排放 810公斤二氧化碳
想知實行低碳行動可減多少碳，可以瀏覽 「校園低碳大行動」網頁：
.hk/carbon_off/
鼓勵同學以行動回應全球暖化 兩星期內填寫「學生低碳手冊」，記錄每 日碳排放 兩星期內碳排放量最低、碳排放量有最大 改善的同學都可獲獎
如何使用 「學生低碳手冊」?
1. 兩星期內每天記錄碳排放
要記錄的碳排放項目：能源、用水、資 源使用、飲食、資源回收
只需記錄自己的碳排放，家人使用而自 己沒有參與，則不用計算在內 學校課室使用的電器不用計算！
2. 每日減少使用電視遊戲機、電腦或電視 1 小時
每日減少使用電視遊戲機、電腦及電視各1小時， 一年可減少排放227公斤二氧化碳
3. 氣溫高於攝氏26度才開冷氣
每日以風扇代替冷氣4小時，1年可減少排放1,130 公斤二氧化碳
4. 臨睡前預設冷氣的關機時間為起床前1小時

Unit2 课件Introduction

Unit2 课件Introduction

my 我的 he 他 he’s (he is) 他是 friend 朋友 she 她 she’s (she is) 她是
let’s ( let us )
play OK wow
让我们
玩 行，好 哇，呀
This is Guo Yang. 这是郭阳。
Nice to meet you. 见到你很高兴。
Nice to meet you, too. 见到你我也很高兴。
Lesson 2
What’s your name? 你的名字是什么？ 你叫什么名字？ My name’s Jenny. 我的名字是詹妮。 我叫詹妮 My name’s Li Ming. 我的名字是李明. 我叫李明。
这是李丽。 她是我的朋友。
This is Wang Gang. 这是王刚。 He’s my friend. 他是我的朋友。
Wow! Harry Potter! 哇！哈利· 波特！
Follow me
● Mr ● this ● is ● what ● what’s (what is) ● your ● name 先生 这，这个 是 什么 是什么 你的，你们的 名字
Nice to meet you. 见到你很高兴。 Nice to meet you, too. 见到你我也很高兴。
Actions
What’s your name?
My name’s______. I am______.
请6-7位同学上前来，其中两人手拉 手架起一座桥，其余的同学排成一队从 桥下过，每过一次都要拦下一个人， 大家可向他提问What’s your name?， 如回答“My name’s…”正确就顺利通过； 如错误则被罚下。
Unit 2 Introduction （介绍）

self-introduction.ppt

self-introduction.ppt

Life is short. Life is sweet. Life is precious.
Live it up. Try new things. Eat, drink, and be merry, for tomorrow may
never come.
人生是短暂的。 人生是甜美的。 人生是珍贵的。 尽情享受人生。
I love to travel.
我爱旅行。
I’m not a stick in the mud.
我不喜欢老是待在一个地 方不动。
第7页，共23页。
Self-introduction（7）
I’m a rolling stone.
我很好动。
I can’t keep still.
我无法静止不动。
I can’t stay in one place 我不能在一个地方待太久。 too long.
我非常节省。
Money doesn’t burn a
hole in my pocket.
我不会乱花钱。
But I like to be generous 但是我喜欢对朋友慷慨。 with my friends.
第5页，共23页。
Self-introduction（5）
I have many hobbies.
第17页，共23页。
Self-introduction（17）
I have a big heart.
我心胸宽广。
I hold no grudges.
我不会怀恨在心。
I always let bygones be bygones.
我总是既往不咎。
第18页，共23页。
Self-introduction（18）

Unit1-Introduction(课件 )-2021-2022学年朗文国际英语第一册

Unit1-Introduction(课件 )-2021-2022学年朗文国际英语第一册

READING What’s your name?
My name is David Carter. My first name is .My last name is . I'm American. I'm from San Francisco.
My name is Mrs. Grant. My phone number is 549-2376.
a.549-2376 b.4-B c. Teacher Joe@ d. William Chen e. 378 Main Street f. 044-35-9862
LISTENING
Listen and choose the correct answer.
1. a. Mary Black b. Mrs. Grant
My name is Ms. Martinez.My telephone number is(213) 6945555. My fax number is (213) 694-5557.
My name is Peter Black. My address is 378 Main Street,Waterville, Florida. My license number is 921DCG.
My name is Susan Miller. My apartment number is 4-B.
My name is Mr. Santini. My e-mail address is TeacherJoe@.
My name is William Chen. My address is 294 River Street, Brooklyn, New York. My telephone number is 469-7750. My social security number is 044-35-9862.

学术英语写作Unit6Introduction课件

学术英语写作Unit6Introduction课件
nIn sentence 4 the writer describes the general problem area or the current research focus of the field.
8
nIn sentence 5 the writer provides a transition between the general problem area and the literature review.
7
nIn sentence 1 the writer establishes the importance of this research topic.
nIn sentence 2 the writer provides general background information.
n In sentence 3 the writer does the same as in Sentence 1 and2, but in a more specific/detailed way.
nIn sentence 6 the writer provides a brief overview of key research projects in this area.
nIn sentence 7 the writer describes a gap in the research.
nIn sentence 8 the writer describes the paper itself. nIn sentence 9 the writer gives details about the
10
➢ Background
1. Polylactide (PLA) has received much attention in recent years due to its biodegradable properties, which offer important economic benefits . 2. PLA is a polymer obtained from corn and is produced by the polymerization of lactide. 3. It has many possible uses in the biomedical field1 and has also been investigated as potential engineering material.2,3 4. However , it has been found to be too weak under impact to be used commercially.4
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newspaper
Introduction-2. Matching
busiendeitsosr joucrenlaelbisrtity econpohmoytogreadpihteorr
fasbhuisoinness celebrity inetceornnoamtyionfaaslhion politics sport
2. Which sections of newspaper do different people look at first?
3. How important are pictures in newspaper?
4. How many types of newspaper
写在最后
成功的基础在于好的学习习惯
politics
finance economy
everyday life
English sut
Sports
entertainment
Which section do you like most? And why?
The foundation of success lies in good habits
25
谢谢大家
荣幸这一路，与你同行
It'S An Honor To Walk With You All The Way
讲师：XXXXXX XX年XX月XX日
Introduction
How do you get news in your daily life?
Internet , mobile phones, TV set , radio, newspaper magazines …
Can you give me some examples of magazines and newspapers?
editor
6
fashion
2
economy 5 celebrity 1
international 3
politics
4
2. The popular style or custom 3. two or more nations 4. political opinion ideas or party
activities 5. business, buying or selling etc 6. The top man on a newspaper 7. Someone who writes for a
How many parts are the newspapers and magazines made up of ?
article ,
文章
front page, 头版
front cover, 封面
headline , 标题
Photograph 图片
front cover
front page headline
There are some sentence patterns:
I like…/in my opinion… It’s funny, useful, interesting…
It has got good articles/photographs
It is full of information about my favorite pop star/sport/computer games...
photograph
article
enjoy some pictures:
people who work on newspapers and magazines
journalist
editors
Introduction-2. Vocabulary
journalist 7 1. A famous person
politiIcnsternajotiuonrnalalist
sport
people who work on newspapers and magazines
types of news items
Introduction-4. Speaking
1. Are stories about celebrity a waste of time?