北师大版（2019） 必修第二册 Unit 4 Information Technology Topic Talk — Lesson 1 Avatars单词课件1 （41张）

(共41张PPT)
单
词
课
堂
版本：新北师
单元：必修二 Unit 4 (TOPIC TALK — LESSON 1)
本单元词汇梳理
1. app： application的缩略词
2. enable：en- (make 使) + able (能够)
词族：able, ability, disability, disabled, enable, unable
3. convenience：构词法：convenient — convenience
4. effect：ex- (out) + -facere (to do) ，做完事情后所收获 → “结果”“效果”
词块：greenhouse effect, have an effect on
词族：effect, effective, effectively, effectiveness
5. impact：im- (in, into) + pact (to fix / fasten 压紧 / 推进)
词块：have / make an impact on
词族：impact, impacted, impaction
6. self-focused：合成词：self + focused
7. addicted：词族：addict — addicted — addiction
词块：be addicted to
8. download：down + load
9. recommendation：recommend + -ation
10. explore：派生词：explorer, exploration
11. personality：精准的汉语释义：个性
词族：person, personal, personally, personality
12. admit：ad- (to) + mit (to go, send) → 送出去 → 容许进入
一词多义：基本义“容许……进入”
派生词：admission
13. alarm：词块：the alarm goes off, set the alarm
派生词：alarmed, alarming (分词形容词)
14. fancy：词源：fancy和fantasy原本是同一个词，它是通过一个缩略过程产生的，并逐渐在意义上有所区别。
词块：catch / take one’s fancy；fancy doing sth
15. trick：词块：Treat or trick. play a trick on, magic tricks
16. identity：词源： “同一”、“同一性”(sameness)
词族：identity, identify, identical
17. variety：词族：vary, variety, various, varied
词块：a variety of
18. instant：in- (into) + -st- (to stand, 站立) + -ant → 站在附近的、紧急待命的 → 立即的
派生词：instantly
词块：instant coffee / noodles, for an instant, in an instant, the instant (that)
19. sensible：构词法：sense — sensible
20. creative & creativity：词族：create, creative, creatively,
creativity, creator
21. blog：音译词“博客”；
构词法：blog — blogger
名词动词化：写博客
词源故事：blog是 weblog (web + log) 的缩略词。log原指“航海日志”，后来被用以泛指任何类型的流水记录。weblog 就是在网上的流水记录形式，相当于网络时代的日记本。blog可译为“网络日志”或“网志”，但该译法无法概括其独特内涵和深远意义，于是想出了“博客”这一中文译名。
22. obviously：obvious + -ly
同义词：clearly；句子副词（表达说话者的态度和观点）
23. experiment：词块：do / carry out / perform / conduct an experiment
名词动词化：experiment with
24. nowadays： now + adayes (during the day)，现在的日子 → 现今
25. hairstyle：hair + style
26. selection：select + -tion；词块：natural selection
27. type：近义词：kind, sort；名词动词化：打字
28. concern：con- (with, together 共同) + -cern (分开、筛选) → 区分开的，关心自己那一部分的
concern动词英语释义：① (be) about（日常用语中更常用about） ② to affect / involve sb ③ to worry sb
动词释义与名词释义相对应；抽象名词具体化：表示具体的令人担忧的事或人时，是可数名词
派生词：concerned (分词形容词)，concerning (介词)
29. view：词根：-vid- 看见 → view 被看见的
同根词：visit, vision, television
词族：view, viewer, review, preview, interview
词块：come into view, a sea view, in one’s view, from one’s point of view
convenience
搭配
impact
熟词生义
trick
熟词生义
一词多义
identity
写作高级词
重难点词精讲
effect
搭配
辨析义
admit
一词多义
variety
concern
view
一词多义英语释义
一词多义
英语释义
convenience
convenience store
convenience n
[U] 便利；方便：
a convenience store
convenience foods
The convenience of city life is one of its main attractions.
England is the largest of the four countries, and for convenience it is divided roughly into three zones.
[C] 便利的事物；便利设施：
It was a great convenience to live near my school.
抽象名词具体化
at sb’s convenience［正式用语］在某人方便时：
Please come at your convenience.
at your earliest convenience［正式用语］［书信用语］尽早；尽快：
We would appreciate it if you could reply at your earliest convenience. 2011 上海书面表达改
【词汇拓展】
convenient adj
便利的；方便的：
it is convenient (for sb) to do sth:
It is very convenient to travel in London by underground. 2011 天津
If it’s convenient for you, let’s meet at 8:30 outside the school gate. 2016 全国书面表达
就近的；近便的：
a restaurant convenient for shops and theatres
effect
effect n [C] & [U] 结果；效应；作用；影响：
greenhouse effect
It is uncertain what side effect the medicine will bring about. 2010 浙江
Global warming is having a great effect on hundreds of plant and animal species around the world. 2012 四川
bring / put ... into effect 实施；实行
in effect
在实施中；有效：
Some laws from the eighteenth century are still in effect.
实际上；事实上：
“Have a nice day” is a wonderful phrase, reminding us, in effect, to enjoy the moment.
effect 词源解读：effect 由 ex- (out) + -facere (to do) 构成，做完事情后所收获 → “结果”“效果”。
take effect 生效 (come into effect)；起作用：
These measures are just beginning to take effect.
【词汇拓展】
effective adj 有效的 反 ineffective；生效的：
take effective measures / steps
The more I understood fish, the more I became effective at finding and catching them. 2015 广东
effectively adv 有效地
effectiveness n [U] 有效性
affect vt
影响 to influence sb / sth：（基本义）
decisions which affect our lives
With the government’s aid, those (who were) affected by the earthquake have moved to the new settlements. 2009 上海改
[常用于被动语态] 使感动；打动 to make sb have strong feelings of sadness, pity, etc.：
She was deeply affected by the story.
使感染（疾病）：
Diseases affect almost everyone at some time during their lives.
【拓展词汇】
affect 语义网络图
affect
对精神的
“影响”
对身体的“影响”
使感动；打动
使感染（疾病）
影响
（基本义）
对人或物的“影响”
由
具
象
到
抽
象
词语辨析
affect / effect
effect（名词）= result, influence；作用；影响：
Does television have an effect on children’s behaviour 电视对孩子的行为有影响吗？
affect（动词）= to have an influence on sb / sth；影响某人 / 某事：
Does television affect children’s behaviour
电视对孩子的行为有影响吗？
impact
温故知新
根据所给汉语，完成句子。
Undoubtedly, technology is an important development, and it will _____________________（对……有重大影响）our lives.（2011 上海改）
have a great impact on
have a great effect on
have a great influence on
impact
vi & vt
[正式用语] 冲击；撞击
（对某事物）有影响；有作用 (affect)：
Her father’s death impacted greatly on her childhood years.
n [U] & [C]
撞击（力）；冲击（力）：
The car hit the stone wall with great impact.
影响；作用 a powerful effect or influence：
French had a major impact on the English language. 2014 湖北改
Artificial intelligence has already made an impact on our lives in many ways. 2019 天津
im- (in, into) + pact (to fix / fasten 压紧 / 推进)
admit
admit v
vt [正式用语] 容许……进入 to allow sb / sth to enter a place：
A hole in the top of the roof admitted the light. 2010 福建改
Only ticket-holders will be admitted to / into the stadium.
vt [正式用语] 接纳；招收 to allow sb to become a member of a club, a school, etc.：
I shall be very likely to be admitted to my dream university. 2014 四川
The table-tennis team of our school is admitting new players. 2017 全国书面表达
注：在日常生活中，人们通常说let sb in而不是admit sb
admit词源解读： ad- (to) + mit (to go, send) → 送出去 → 容许进入
let in → 词源义是“允许进入”，在此基础上衍生出各层释义。
vt & vi 承认 to agree, often unwillingly, that sth is true：
“I can’t sing at all,” he freely / openly / frankly admitted.
We should have the courage to admit (to) our mistakes.
I had to admit (to) being nervous about the test.
I don’t really like the author, although I have to admit his books are very exciting. 2014 山东
vt & vi 供认 to say that you have done sth wrong or illegal：
He refused to admit (to) the other charges.
She admitted having stolen / stealing the car.
admittedly adv [句子副词] 诚然；不可否认地：
The technique is painful, admittedly, but it benefits the patient greatly.
admission n
[U] & [C] 接纳；进入权；准许入会 / 学：
Admission by ticket.
She failed to gain admission to the university of her choice.
the university admissions policy / office
[C] [常作单数] 承认；供认：
an admission of a mistake / failure
[U] 入场费：
admission charges / prices
【词汇拓展】
admit 语义网络图
容许……进入admit
（基本义）
承认；供认
进入权
供认
承认
接纳；招收
容许……进入
“容许”事情“进入”内心
“容许”人“进入”组织或机构
“容许”物体“进入”某地
“容许”自己做错了的事“进入”公众视野
接纳；
准许入会 / 学；
入场费
admission
trick
trick or treat意思是不给糖就捣蛋，指的是万圣节的时候，孩子们要糖果等礼物，如果不遂愿就要搞恶作剧。
万圣节（Halloween）是在每年的11月1日，是西方传统的节日，每当万圣节来临时，小孩都会装扮成各种可爱的鬼怪挨家挨户地敲门，要求获得糖果，否则就会捣乱。传说，每当到万圣节的晚上，各种鬼怪都会装扮成小孩混入人群中，一起庆祝万圣节的来临，而人们为了让鬼怪显得更融合，所以才装扮成各种鬼怪。
trick
■ n [C]
诡计；花招；恶作剧：
Her tears were just a trick to deceive others.
If the neighbours do not give any sweets, the children might play a trick on them.
戏法；把戏：
perform magic tricks
［常用单数］技巧；诀窍 a way of doing sth that works well; a good method：
Patience is the trick of doing this job well.
do the trick［非正式用语］奏效；起作用；达到目的：
I don’t know what it was that did the trick, but I am definitely feeling much better.
■ vt 欺骗；哄骗：
I’d been tricked and I felt stupid.
An advertiser might be trying to trick customers into buying a product or a service.
【拓展词汇】
tricky adj［非正式用语］棘手的；难对付的：
a tricky question / task
27
identity
如此熟悉的identity
生活中我们经常听到ID这个词，可同学们是否知道它的真正含义呢？ID是英文identity的缩写，是“身份标识号码”的意思,也称为“序列号或帐号”，是某个体系中相对唯一的编码。如“员工工号” 、“身份证号码”、“计算机网址”等。
identity词源解读
identity的词源义即“同一”、“同一性”(sameness, oneness, state of being the same)。
同一性：同一类事物共同具有的典型特征，这个典型特征是这类事物区别于其他事物的地方。
人与动物的区别：
1. 人能直立行走；
2. 人会语言交流；
3. 人会制造工具、使用工具；
……
29
identity R2 n
[C] & [U] [缩写为ID] 身份：
an identity card (ID card)
[C] & [U]（区别人或群体的）个性 / 特征：
After years of performing, he felt that in some ways he had lost his identity.
The college years are supposed to be a time for the development of adult identity. 2016 北京改
同族词：identify, identification, identified, identity
【拓展词汇】
identify R2 vt
认出；识别 to recognize and correctly name sb / sth：
He was too far away to be able to identify faces.
One of the 17 people killed in the school shooting was identified as Jamie.
确认；找出 to find or discover sb / sth：
Scientists have identified a link between diet and cancer.
To be effective, you need to identify your strengths and concentrate on them. 2009 浙江
根据具体特征识别
根据抽象特征识别
表明……的身份 to be a sign that shows who or what sb / sth is：
His accent identified him as a Frenchman.
identify sb / sth with sth 认为某人 / 某物等同于某物：
You should not identify wealth with happiness.
identify with sb / sth 认同某人 / 某物；与某人 / 某物有同感：
I didn’t enjoy the book because I couldn’t identify with any of the main characters.
特征使被之识别
identify 语义网络图
“识别”特征归于“同一”
表明……的身份
确认；找出
认出；识别
视为同一
identify
（词源义）
人或事物的特征使之“识别”
“识别”人或事物的抽象特征
“识别”人的名字、身份或事物的形貌等具体特征

Once upon a time…
His evil face identified him as a bad person.
_____________
So, Little Red Riding Hood (LRRH ) was very careful with him.
However, she told the wolf that she was going to her grandmother’s house.
表明……的身份
根据上下文，猜测画线单词的释义。
Gray wolf and Little Red Riding Hood
The LRRH failed to identify the grey wolf from her grandmother.
_____________
A passed-by hunter identified that there was something wrong with the snore（打呼噜）.
_____________
Soon, the hunter found the identity of the sleeping guy was the grey wolf!
_____________
确认；找出(发现)
身份
认出；识别
different
various
diverse
varied
differ
“不同”头脑风暴
说到“不同的”英文单词，大家首先想到的是不是“different”？也许有些小伙伴还能想到various，varied，differ，diverse这些词。虽说都可以用来表达“不同的”之意，但是如果在写作中用对了词，你的书面表达将会大大的“不同”。
感受“不同”
1. Most people who do this job say they love their work because it is very rewarding and varied.（2006 江西）
2. Doctors have worked out a chart showing how much stress is involved in various events.（2016 上海）
3. Visiting an apple event is a good chance to see, and often taste, a wide variety of apples.（2016 全国）
4. To answer these questions, Brooks surveys a wide range of disciplines.（2015 湖北）
5. Leaves are found on all kinds of trees, but they differ greatly in size and shape.（2007 上海）
6. English is a language shared by several diverse cultures, each of which uses it differently.（2014 天津）
vary R2 v
vi（大小、形状等）相异；不同 (differ)：
vary considerably / greatly / widely
vary from person to person 2019 全国
Just like spoken language, body language varies from culture to culture.
vi 变化；vt 改变：
The weather here varies from hour to hour.
My doctor said I should vary my diet more.
varied adj 各种各样的；形形色色的
variety n
[U] 多样性；变化：
Chinese food is famous for its wide variety. 2009 重庆
[C]（动植物、语言等的）种类；品种：
different varieties of English
a variety of 种种；各种各样的：
The club offers a wide variety of games to the local teenagers.
various adj 不同的；各种各样的 (diverse / different)：
various kinds of theme parks
She decided to move to the countryside for various reasons.
variously adv 各种各样地
在平时学习中，我们可以进行两种形式的词义转换练习。
写作方向：用高级词替换一些常用的低级词，为书面表达增色。
阅读方向：用常见的容易理解的词去替换阅读中的高级词，帮助更好的理解。
词义转换训练（写作方向）
由常用到不常用，侧重运用。
1. The area is rich in wildlife. __________
2. I’m writing to you to express my opinions. ______________
3. In the coming three years, our school life will be difficult.
___________
4. Some drivers, cyclists and pedestrians do not think it important to obey the traffic rules. ___________
abundant
convey [正式]
challenging
vital
词义转换训练（阅读方向）
由不常用到常用，侧重理解。
1. For many Americans, the automobile is a necessity. _________
2. He traded his pen for a knife with me. _________
3. What some people regard as a drawback / downside is seen as a plus by many others. _____________
4. Taking physical exercise can erase your stress. _________
5. No one equals him in strength. ___________
must
exchange
disadvantage
remove
is as good as
谢
谢
观
赏