人教版（2019）必修第一册Welcome Unit Vocabulary 重点词汇讲解课件-(24张ppt)

(共24张PPT)
WELCOME UNIT
A thousand-mile journey begins with the first step. ---Laozi
write a student profile
In this unit, you will
1
2
3
4
5
read about a student’s first day of school
hear and talk about choosing and registering for courses
learn about first-year senior high school students in different countries
……
Objectives:
Period
1
Vocabulary
exchange
formal
anxious
frightened
design
senior
concentrate
explore
curious
impress
词类转换
change v. 改变；替代；交换；n. 零钱
用法
exchange sth. (with sb.) 与（某人）交换
exchange
v. 交换；交流；交易；兑换
n. 交换；交流
exchange sth. for sth. 用某物换取某物
in exchange for 作为交换
运用
I’d like to exchange a watch _____a camera
Tom exchanged gifts _____ John.
I gave tom my storybook ___ exchange for his picture book.
for
with
exchange
in
词类转换
designer n. 设计者
用法
design sth. for sb./sth. 为……设计……
design
n. 设计；设计方案
vt. 设计；筹划
by design 故意地
design sth. to do sth. 故意让……去做……
运用
1. They asked me to design a poster ____ the campaign.
2. This project is designed _______ (help) homeless people.
3. It was hard to know whether it happened ______ design.
for
to help
by
design
词类转换
form v. 形成；出现；n. 形式；样式；类型
formal
adj. 正式的；正规的
informal adj. 非正式的；日常的；随意的
formally adv. 正式地；形式上地
运用
She has a very ______ (form) manner, which seems unfriendly.
formal
词类转换
anxiously adv. 焦虑地
用法
be anxious for sb./ about sth. 为某人/某事忧虑
be anxious to do sth. 渴望做某事
be anxious that ... 渴望(从句谓语用should do, should可省略)
with anxiety 焦虑地
anxious
adj. 焦虑的；不安的
anxiety n. 担心；焦虑；渴望
运用
1. Your mother________________________（非常担心你）．
You shouldn’t have left home without a word．
2. We were anxious that everyone ____________(know) the truth.
3. He was anxious________ (leave) and he could not hide his
_______(anxious).
was really anxious for you
(should) know
to leave
anxiety
anxious
词类转换
frighten v. 使惊吓；使惊恐
frightening adj. 令人惊恐的；可怕的
用法
be frightened of sth. 害怕……
be frightened to do sth. 害怕去做……
be frightened by sth. 被……吓坏
frightened
adj. 惊吓的；害怕的
运用
The little girl is not frightened ____ dogs.
2. She ______________ (frighten) by the shadow of the tree.
3. She was very frightened ________ (look) down from the top
floor of the building.
4. This __________ (frighten) film really makes the girls __________ (frighten)
to look
of
was frightened
frightened
frightening
frightened
词类转换
反义词：junior adj. 级别低的；n.青少年；职位较低者
用法
be senior to : 较...年长；职位较…高
be junior to: 较...年幼；职位较…低
senior high school （美国）高中
junior high school （美国）初级中学
senior
adj. 级别（或地位）高的
n. 较年长的人
运用
1. She is senior _____me, since she join the company before me.
2. The newcomer ______________ （比我年幼）by two years.
3. In our culture, ________(senior) are to be respected.
to
is junior to me
seniors
senior
词类转换
impression n. 印象；影响
impressive adj. 令人赞叹的；引人瞩目的
用法
impress sb. (by/with sth.) 使……对……印象深刻
make/leave an impression on 给……留下印象
impress
vt. 使钦佩；给……留下深刻的好印象
vi. 留下印象；引人注目
运用
1. The ___________(impress) he made on me was that he was
warm-hearted．
2. The foreign tourists _____________(impress) by the rapid
development of China.
3. This is one of the most ___________(impress) novels of
recent years.
impression
are impressed
impressive
impress
词类转换
concentration n. 专心；专注；集中
用法
concentrate on sth. 集中精力于……
focus on sth. 集中注意力于
be absorbed in sth. 沉浸于……
concentrate
vi. & vt. 集中注意力；聚精会神
运用
The classroom was so noisy that I couldn’t concentrate
____my study.
2. Tiredness affects your powers of ____________ (concentrate).
3. When I entered the room, he _____________ (absorb) in
reading.
on
concentration
concentrate
was absorbed
词类转换
annoying adj. 讨厌的；恼人的
annoyed adj. 恼怒的；烦闷的
annoyance n. 烦恼
用法
be annoyed with/at/by. 对……感到厌烦
annoy
vt. 使恼怒；打扰
运用
His life now is much easier and nothing can make him
_________(annoy)
2. To her ___________(annoy) the stranger did not go away.
3. Her most _________(annoy) habit was eating with her
mouth open
annoyed
annoyance
annoying
annoy
词类转换
curiously adv. 好奇地
curiosity n. 好奇心
用法
be curious about sth. 对……好奇
be curious to do sth. 想做……
out of curiosity 出于好奇
curious
adj. 好奇的；求知欲强的
运用
He was curious ________ everything he saw.
2. I was curious _________ (find) out what she had said.
3. The letter wasn't addressed to me but I opened it out of
_________ (curious).
about
to find
curiosity
curious
Summary & Homework
Use the words and expressions to make sentences.
exchange
formal
anxious
frightened
design
senior
concentrate
explore
curious
impress
THANKS!