人教版（2019）必修 第一册Welcome unit单词讲解课件(共50张PPT)

(共50张PPT)
Welcome Unit
Words and Expressions
Key Words
exchange
design
impression
concentrate
junior
forward
curious
1. exchange / ks t e nd /
前缀ex-表示：向外、分离、以前的，前任的
export
exit / eks t/
exclude / k sklu d/
ex-president
ex-mayor /me (r)/
exchange 的词源义是“act of reciprocal giving and receiving”。它是由前缀 ex- (out) 和 change 组成，可以理解为“拿……出去换成……”，其基本义是 “交换” 。
v. 出口；传播，输出
n. 出口，通道，
v. 不包括，把……排除在外，
n. 前任总统
n. 前任市长
1. exchange / ks t e nd /
n. [C;U] 交换; 交流; 调换
交换生
文化交流
允许调换
Would you like my old TV in exchange for this camera (翻译)
in exchange for 作为对……的交换或替换
exchange students
cultural exchange
allow exchange
n. [U] (货币的) 兑换：
foreign exchange
[C] 交易所：
New York Stock Exchange
纽约证券交易所
外汇
exchange A for B　拿A(更)换B
exchange sth. with sb. 与某人交换某物
翻译：
这个组的每个人彼此交换电话号码。
我想把这个裙子更换个大点的 。
I’d like to exchange this dress for one in a larger size.
vt交换；交流;更换；兑换
Everyone in the group exchanged their phone number with each other.
交换
基本义
exchange
人与人或物与物之间的“交换”
商品之间的“交换”
货币之间的“交换”
“交换”的场所
exchange语义网络图
交换；交流
(商品的) 调换
(货币的) 兑换
交易所
名词
动词
交换；交流
更换；兑换
e7d195523061f1c0092ce48a5fc95870a0687ac45bc8b2caB227BFDC40F9DB2B7A559DE97B8BDC6E716585DDCE188C7BF488BAA08C98985C74A3E1B5E305210FABE6A8AE2A6A8AB67019A6860E9B7AF51BD9FA6D7CE50C297FF9EF37B2328AEF1AD1B6D2CC9652DDE32353C523E1EB99CDDFE436D1D0FA2A9D98122C47E4450BA58EBF6A98B1894CDA42CF6E4EF68BAB
[巩固内化]　介词填空
①It is normal （正常的）to ask people for gifts or money _____ exchange for favors to them.
②I am going to travel abroad，so I go to exchange some RMB ____dollars in the bank.
in
for
Welcome unit
register(v.)-registration(n.)
sex(n.)-sexy(adj.)
female(adj.&n.)-male(adj.&n.)
nation(n.)-national(adj.)-nationally(adv.)-nationality(n.)
design(v.&n.)-designer(n.)
formal(adj.)-informal(adj.)
anxious(adj.)-anxiously(adv.)-anxiety(n.)
annoy(v.)-annoyed(adj.)-annoying(adj.)-annoyance(n.)
fright(n.)-frighten(v.)-frightened(adj.)-frightening(adj.)
impress(v.)-impression(n.)-impressive(adj.)
Welcome unit
concentrate(v.)-concentrated(adj.)-concentration(n.)
explore(v.)-exploration(n.)-explorer(n.)
confident(adj.)-confidence(n.)
organize(v.)-organization(n.)-organizer(n.)
strategy(n.)-strategies(n.复）
improve(v.)-improvement(n.)
curious(adj.)-curiosity(n.)
person(n.)-personal(adj.)-personally(adv.)-personality(n.)
revise(v.)-revision(n.) 修改，修订
Welcome unit句子背诵
1. Would you like my old TV in exchange for this camera？
2. Everyone in the group exchanged their phone number with each other.
3.I’d like to exchange this dress for one in a larger size.
：
2. design
vt. 设计；绘制
design a car/dress
vt. ［常用于被动语态］（为某种特定目的）计划；设计
这个活动是为了激发（arouse）学生对中国文化的兴趣。
This activity is designed to arouse students’ interest in Chinese culture.
这个奖学金（scholarship)是为了顶级学生所设计的。
This scholarship is designed for top students.
be done
n [U] & [C] 设计；图样；图案：
a bowl with a flower design
n.计划；目的；意图：
by design
有花图案的碗
故意的
by accident
by chance
偶然的
The route(路线） _____________ (design) to relieve（减缓）
traffic jams（交通堵塞）.
It is said that the ______ (design) of the high building is
a woman engineer.
was designed
designer
3. impress / m pres/
impress词源
impress由两部分组成，前缀im - (in-) “向内”+ press “按；压”。基本义为“向内压”。
impress 语义网络
向内压
impress基本义
向内压到思想里
给……留下极深的印象
使意识到
向思想里压的结果
程度的递进
[不用于进行时] 给……留下极深的印象 :
impress sb with / by sth:
我们都对你的语言能力留下了深刻的印象。
You impressed us with your language abilities.
We were impressed with your language abilities.
[正式用语] 使意识到 ：
老师让我意识到了学习英语的重要性。
The teacher impressed the importance of English on / upon me.
了解即可
impress
impression
impressionist
impressionism
impressively
impressive
同族词
n.印象派画家
n.印象主义
印象派
social-socialist-socialism
词汇拓展
impressive adj
给人深刻印象的； 令人钦佩的：
(对……) 印象深刻的 / 钦佩的：
(be) impressed with / by:
She was very impressive in the interview.
翻译:我想给别人留下良好的第一印象。
I want to leave a good first impression on others.5
印象；感觉：
impression n [C]
1.The teachers were most impressed ____________ your performance in the exam.
2.I’m sure the film made an impression ________ everybody who saw it.
3.Among the most__________(impress) athletes were the swimmers，but all of the athletes(运动员） were worthy of praise.
巧 学 活 用
by/with
on
impressive
press词根记词汇
press
v 压
impress v 盖印；使留下深刻印象
（im进+press→压进去→盖印→印
入头脑→使留下深刻印象）
express v 表达；特快
（ex把 + press→[思想]挤出来→表达）
depress v 压下；使沮丧
（de向下+press→向下压→使情绪低下）
pressure n 压力
（press+ -ure行为的结果→压的结果→压力）
4. concentrate / k nsntre t /vi./vt. 集中精神
concentrate on (doing) sth.
=focus on (doing) sth.
=put one’s heart into 专心致志于某事
(1)I wish you’d concentrate_____what I’m saying.
(2)He concentrated his attention ____ the question of technology.
(3)We must concentrate our efforts on __________ (improve) education.
on
on
improving
concentrate one’s attention/efforts on sth
不及物动词
及物动词
5. senior [ si:ni (r) ]:
adj. (级别、地位等)较高的; 年长的
n. 较年长者
senior high school: (美国)高中
senior high school students 高中生
junior high school: (美国)初中
词组： be senior/junior to...: 比某人年长/年幼
他比我大两岁。
He is senior to me by two years.
＝He is two years senior to me.
表示比某人年长要用to不能用than。
表达
解释
ex- 意为“out 向外”
ex- + change =？
6. look forward to 盼望，期待
我期待着明天的足球赛。
I’m looking forward to the football match tomorrow.
look forward to 意为期待，盼望，to是介词，后接名词，代词，动名词作宾语
盼望着收到你的来信。
I’m looking forward to hearing from you.
I’m eager to hear from you.
作文天地：
7.curious adj.好奇的，求知欲强的
Curiosity killed the cat. （好奇害死猫。）
是英文中一句有名的谚语，西方传说猫有九条命，怎么都不会死，而最后恰恰是死于自己的好奇心，可见好奇心有时是多么可怕。curiosity是curious的派生词。
curious
好奇的：
He’s such a curious boy, always asking questions.
① (be) curious about:uilt my first website. 2016 北京
② (be) curious to do sth:
上中学时，我对电脑产生了好奇心。
In high school, I became curious about
the computer.
我们很想知道他去哪了。
We were curious to know where she’d gone.
adj
curious
奇异的；奇怪的 strange or unusual：
curious behavior
adj
怪异的举止
词汇拓展
curious-curiosity n
[U] 好奇心：
满足/激发某人的好奇心
satisfy / arouse sb’s curiosity
出于好奇心
out of curiosity
curiously adv 好奇地
Summary
exchange
design
impression
concentrate
junior
forward
curious
Welcome unit句子背诵
1. Would you like my old TV in exchange for this camera？
2. Everyone in the group exchanged their phone number with each other.
3.I’d like to exchange this dress for one in a larger size.
4.This activity is designed to arouse students’ interest in Chinese culture.
5.This scholarship is designed for top students.
6.We were impressed with your language abilities.
7.The teacher impressed the importance of English on / upon me.
Welcome unit句子背诵
8.I want to leave a good first impression on others.5
9. We must concentrate our efforts on improving education.
10.He is two years senior to me＝He is senior to me by two years.
11. I’m looking forward to hearing from you.
Part 2
Words and expressions
2、register 登记、注册vt. & vi
registered 登记过的；注册的adj.
registration 登记、注册、挂号n.
registration office 登记处
Eg: His father is late in ________ (register) his birth.
翻译: 请上交你的注册表格。
——————————————
registering
Please hand in your registration form.
4、anxious 焦虑的，不安的，担心的 adj.
anxiety 焦虑，不安，担心，渴望 n.
anxiously 不安地，焦虑地 adv.
短语：be/feel/anxious about sth 担心
be anxious that…担心......
be anxious for sb 担忧
be anxious to do sth. 渴望做某事
with anxiety 焦虑地
Eg: We’d better go home, or mom will be ________ (anxiety) for us.
anxious
5、annoy 使恼怒，使生气 vt.
annoying 令人讨厌的，令人生气的 adj.
annoyed (人)烦恼的，生气的 adj.
annoyance 烦恼，令人烦恼的事物 n.
to one’s annoyance 使人烦恼的是
Eg: David spent all the day playing games on the mobile phone, which made his parents _____ (annoy) .
annoyed
to my excitement
to my joy/delight
to my sadness
6、frightened 受惊的，害怕的 adj.
frighten 使惊吓vt.
frightening 吓人的，令人害怕的adj.
fright 惊吓，恐怖 n.
短语：be frightened of …害怕
be frightened to do sth 不敢做某事
frighten sb into doing 吓得某人做某事
frighten sb out of doing 吓得某人不敢某事
with /in fright 惊恐地
Eg: I am _________ (frighten) of walking home alone in the dark.
frightened
单句语法填空①With no one to turn to in such a ____________ (frighten) situation, she felt very helpless.②The news was __________ and they were all _________ (frighten)③The man frightened the old lady _____ telling the truth.
frightening
frightening
frightened
into
10、leave... alone 不打扰；不惊动
leave aside 搁置一边 leave off 停止，戒掉
leave for... 动身到…… leave behind 忘带；留下，使落后
leave out 省略；遗漏
①我以前告诉过你，别动我的东西!
I've told you before —
②你们打算什么时候动身去加拿大
leave my things alone!
When do you plan to leave for Canada
③I was busy talking with my old friend and left my dictionary ________on the bus.
④We tried to be friendly, but his expression on his face made us think he wanted _______ (leave) alone.
behind
to be left
alone adj. 独自的，单独的； adv. 独自地； 单独地
lonely adj. 寂寞的； 孤独的
1. 意思不同
2. 词性不同 alone adj.&adv.
lonely adj.
3. 用法不同 alone 只能做表语
lonely 表语和定语都可以
He doesn’t feel lonely when he is alone.
a lonely traveller
9、confident 自信的，有把握的.adj.
confidence 信心 n.
confidently 自信地 adv.
短语：be/feel confident of /about sth 确信…
be confident that …
over-confident 过于自信
have/show confidence in 在某方面有信心
lack confidence in 在…缺乏信心
with confidence 自信地
Eg: He has _________ (confident) in his ability to achieve success.
confidence
11、flash n.光；信号 vi.闪耀；闪光；发出信号；突然想到；猛然想起 vt.使闪耀；发出(信号)
use flash cards(教材P7)　使用识字卡
a flash of lightning一道闪电
in a flash 一瞬间
翻译：Lightning flashed in the distance.
翻译：Red lights flashed a warning at them.
翻译：Flashes of light were followed by an explosion.
远处电光闪闪。
红灯闪亮向他们发出警告。
阵阵闪光后就是一声爆炸的巨响。
12、goal n.目标；球门；射门
have a goal有一个目标 set a goal 制定目标
work towards a goal 向某一目标努力
achieve/attain/reach one’s goal 达成某人的目标
a common/long-term/short-term goal 一个共同/长期/短期目标
I have ___________(学习目标）and make plans for my English studies.
They ______________(进了五个球) in the first half of the match.
。
scored five goals
learning goals
v.得分，计分
14. explore vt.& vi.探索；勘探
exploration n. [C，U]探索
explorer n. 探险者
explore the moon　　　 探月
单句语法填空/补全句子
①His dream of being an __________ (explore) has become a reality.
②Space __________ (explore) is often seen as an expensive adventure.
explorer
exploration
15. improve v. 改进，改善
improvement n. 改进，改善
1. We expect to see further____________ (improve) over the coming year.
2. 我们最好向老师或同学们咨询如何提高写作水平。
improvement
We had better ask our teachers or classmates for advice on how to improve our writing.
Thanks for Listening