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(共45张PPT)
什么让一天特别
第2课时 (Section A Pronunciation 1-2e)
人教版2025·七年级下册
How is “c” pronounced in these words
I visited the science museum.
There was a space exhibition.
Cool!
I gave them the wrong directions.
/s/
/s/
/k/
/k/
Read and find the rules
c ck g x
/k/ /s/ /k/ /g/ /d / /ks/
cook nice pick game age six
catch bicycle clock give large next
_____ _____ _____ _____ _____ _____
1
Listen and repeat. Add one more word to
each group.
call
city
quick
big
orange
fox
How are “c, ck, g, x” pronounced in these words
1 Listen and repeat. Add one more word to each group.
c ck g x
/k/ /s/ /k/ /ɡ/ /d / /ks/
cook catch _____ _____ nice bicycle _____ _____ pick clock _____ _____ game give _____ _____ age large _____ _____ six
next
_____
_____
call
pencil
block
orange
mix
glad
carry
notice
quick
gift
strange
relax
Pronunciation
Pronunciation
辅音字母c、g、x和辅音字母组合ck的发音
字母或字母组合 发音 例词
c 当字母c在 a、o、u前时，通常发/k/ cat cold cup
当字母c在e、i、y前时，通常发/s/ city bicycle
race circle
ck 字母组合ck通常发/k/ neck stick
black pocket
g 当字母g在 a、o、u 前时，通常发 /ɡ/ gate go gun
当字母g在 e、i、y 前时，通常发 /d / page giant gym
x 字母 x通常发 /ks/ box fox text exercise
当字母x后面是元音且是重读音节时，通常发/ɡz/ exist exact
exam example
Pronunciation
2 Listen and repeat. Notice the pronunciation of -(e)d.
/t/ talked picked helped stopped finished
/d/ moved climbed filled tried enjoyed
/ d/ wanted visited tasted needed ended
发音规则 例词
在清辅音/p/ /k/ /f/ /s/ / /等后发 /t/ helped laughed worked finished
在元音或浊辅音/b/ /ɡ/ /v/ /z/ /ɡ/等后发 /d/ played called lived raised
在 /t/ 或 /d/ 后发/ d/ wanted needed started
给下列动词过去式标注正确的发音
talked （ ） wanted （ ） helped （ ）
tried （ ） finished （ ） moved （ ）
climbed（ ） filled （ ） needed （ ）
/t/
/d/
/t/
/ d/
/d/
/d/
/d/
/t/
/ d/
单项选择
1. — What did you do last weekend
— I ________ badminton with my friends.
A. play B. played C. am playing D. will play
2. —Did you cook food yesterday —Yes, I ________.
A. did B. do C. does D. am
A
B
Pronunciation
3 Read the coloured words.Then listen to the short
conversations and circle the words you hear.
1. A: Hey, I thought you didn’t / did like maths!
B: I do / don’t now. I was / wasn’t interested in it last year.
2. A: Hello. Aren’t / Are you Ella’s friend
B: I don’t / do know Ella!
3. A: I can / can’t go on the school trip tomorrow.
B: Oh, you should / shouldn’t tell our teacher about that now.
Pronunciation
英语中常用一些缩略式，读时发音变得更短。常见的否定形式的缩略式有：
is not isn’t / znt/ do not don’t /d nt/ will not won’t /w nt/
are not aren’t /ɑ nt/ does not doesn’t / d znt/ cannot can’t /kɑ nt/
was not wasn’t / w znt/ did not didn’t / d dnt/ should not shouldn’t / dnt/
were not weren’t /w nt/ must not
mustn’t / m s nt/
否定形式的缩略式的发音
基础巩固
I.朗读单词,根据画线部分的发音将单词进行归类。
box care snack group exactly notice black
message centre glove village text
/k/
/s/
/g/
/d /
/ks/
box
care
snack
group
exactly
black
message
notice
centre
glove
village
text
treat→ improve→ respect→
carry→ hope→ encourage→
enjoy→ succeed→ finish→
match→
I.写出下列动词的过去式并根据(e)d的发音规律进行正确归类。
treated
improved
respected
carried
hoped
encouraged
enjoyed
finished
succeeded
matched
/t/ /d/ / d/
treated
improved
respected
carried
hoped
encouraged
enjoyed
finished
succeeded
matched
Put the fruit in the right basket.
/k/
/s/
/g/
/d /
/ks/
key
age
orange
city
relax
glad
pencil
shark
grow
excuse
2
Listen and repeat. Notice the pronunciation of -(e) d.
/t/ talked picked helped
stopped finished
/d/ moved climbed filled
tried enjoyed
/ d/ wanted visited tasted
needed ended
Think and discuss:
When is -(e) d pronounced as /t/, /d/, / d/
/t/
talked
picked
helped
stopped
finished
/t kt/
/p kt/
/helpt/
/st pt/
/ f n t/
/k/
/p/
/ /
清辅音
/p/ /t/ /k/ /f/ /θ/
/s/ / / /t / /h/…
(e) d在清辅音后读作/t/。
/d/
moved
climbed
filled
tried
enjoyed
/mu vd/
/kla md/
/f ld/
/tra d/
/ n d d/
/v/
/m/
/l/
浊辅音
/b/ /d/ /g/ /v/ / / /z/ / /
/d /m/ /n/ / / /l/ /r/ /w/ /j/…
/a /
/ /
元音
/i / / / /e/ / / / / / / /a / / /
/ / / / /u / / /
/e / /a / / / / / /a / / /
/e / / /
(e) d在浊辅音和元音后读作/d/。
/ d/
wanted
visited
tasted
needed
ended
/ w nt d/
/ v z t d/
/ te st d/
/ ni d d/
/end d/
(e) d在/t/和/d/后读作/ d/。
Read and mark the pronunciation of “ed”
wanted washed studied fixed asked cleaned
watched needed loved enjoyed danced called
/d/
/t/
/ d/
/t/
/t/
/d/
/t/
/ d /
/d/
/d/
/t/
/d/
读彩色的词
听短对话，圈出你听到的词
Free talk
What was your most memorable(难忘的) school trip
Where did you go
What did you do
n. 旅行
Where is this
A wastewater plant.
废水处理厂
n. 废水
n. 工厂
Do you know how a wastewater plant works
Let’s predict
How did Fu Xing think of their school trip to the wastewater plant
What did she learn
Listen and check
Fu Xing thought their school trip was
__________________.
She learned
________________________________________.
really interesting
how the plant makes dirty water clean again
Helen:Hi, Fu Xing. How was your school trip to the
wastewater plant Was it boring
Fu Xing:No, it wasn’t at all. It was really interesting!
Helen:Wow! What did you see
Fu Xing:We saw the plant make dirty water _____ again.
Helen:Really How
Fu Xing:Well, first, _____ water from our homes goes into
the plant. Then, special screens remove large
pieces of waste from the water.
Read and learn the new words in blue.
v. 移开；拿走
prep. 到······里面；进入
n. 片；块
n. 废弃物
v. 浪费
not… at all
一点也不；完全不
Helen:What happens next
Fu Xing:Well, _____ machines remove germs and other
things from the water. These things are usually
too _____ to see. It takes a few more steps after
that before the water becomes clean again.
Helen:Wow! I used to think it was _____ to get cleanwater.
Fu Xing: Me too! I didn’t realize it was so _____.
n. 机器
n. 微生物；细菌
n. 步骤；脚步
过去常常（做）
v. (=realise)
认识到；实现
2a
Listen to the conversation and fill in the blanks with correct adjectives.
Helen:Hi, Fu Xing. How was your school trip to the
wastewater plant Was it boring
Fu Xing:No, it wasn’t at all. It was really interesting!
Helen:Wow! What did you see
Fu Xing:We saw the plant make dirty water _____ again.
Helen:Really How
Fu Xing:Well, first, _____ water from our homes goes into
the plant. Then, special screens remove large
pieces of waste from the water.
clean
dirty
Helen:What happens next
Fu Xing:Well, _____ machines remove germs and other
things from the water. These things are usually
too _____ to see. It takes a few more steps after
that before the water becomes clean again.
Helen:Wow! I used to think it was _____ to get clean water.
Fu Xing:Me too! I didn’t realize it was so _____.
large
small
easy
hard
2b
Read the conversation and match the sentence parts.
The plant makes
Dirty water goes
Machines inside
the plant
Screens inside the
plant
Helen used to think
remove small things
from the water.
it was easy to get
clean water.
dirty water clean again.
remove large pieces of
waste from the water.
into the plant.
prep. 在······里面
adv. 在里面
Retell the story
How does the plant make
___________ clean again
dirty water from _______
goes into the plant
special _______ remove
___________ of waste from the water
_____ machines remove ______
and other things from the water
a few more _____ to get clean water
School trip
to the
wastewater plant
dirty water
homes
screens
large pieces
large
germs
steps
2c
Complete the summary of the conversation in 2a.
Last week, Fu Xing’s class went on a school trip to a __________ plant. The plant turned dirty water into clean water. Fu Xing learnt about the cleaning process: First, dirty water goes from people’s _____ to the plant. Then the plant uses screens to remove large pieces of _____ from the dirty water. Next, large ________ clean the water. They remove _____ and other small things. It takes a few more _____ before the water becomes clean again.
wastewater
homes
waste
machines
germs
steps
go on a trip
去旅行
n. 过程
2d
Listen to the conversation again and pay attention to the pronunciation of was, wasn’t, did, and didn’t. Then role-play the conversation.
Helen:Hi, Fu Xing. How was your school trip to the wastewater plant Was it boring
Fu Xing:No, it wasn’t at all. It was really interesting!
Helen: Wow! What did you see
Fu Xing: We saw the plant make dirty water clean
again.
Helen: Really How
Fu Xing: Well, first, dirty water from our homes goes
into the plant. Then, special screens remove large pieces of waste from the water.
Helen: What happens next
Fu Xing: Well, large machines remove germs and
other things from the water. These things
are usually too small to see. It takes a few more steps after that before the water becomes clean again.
Helen: Wow! I used to think it was easy to get
clean water.
Fu Xing: Me too! I didn’t realize it was so hard.
Role-play the conversation with your partner.
Checklist Assessment (评价) Total stars Your stars
Talk fluently (交流流畅) ★★★★
Complete in content (内容完整) ★★★★
Cooperate well (合作默契) ★★★★
3
Read the coloured words. Then listen to the short conversations and circle the words you hear.
A: Hey, I thought you didn’t/ did like maths!
B: I do/ don’t know. I was/ wasn’t interested in it
last year.
A: Hello. Aren’t /Are you Ella’s friend
B: I don’t/ do know Ella!
A: I can/ can’t go on the school trip tomorrow.
B: Oh, you should/ shouldn’t tell our teacher
about that now.
Pronunciation
否定式的缩略形式
英语中常用一些缩略形式，读时发音变得更短。
否定式 缩略形式及读音 否定式 缩略形式及读音
is not isn’t did not didn’t
are not aren’t can not can’t
was not wasn’t will not won’t
否定式 缩略形式及读音 否定式 缩略形式及读音
were not weren’t should not shouldn’t
do not don’t must not mustn’t
does not doesn’t have not haven’t
2e
Talk about a school trip you took to a special place.
theatre factory zoo museum
farm forest market park
It was great.
How was your school trip
We went to the theatre to watch a show.
Where did you go
n. 戏院；剧场；电影院
n. 工厂
Make a presentation
Last week, our class went to an amusement park. We had so much fun! We rode the big roller coasters and laughed a lot. We also played games and won prizes. It was a really happy day and we enjoyed every minute.
The pronunciation of the letters c, ck, g, x in a word:
c: /k/, /s/; ck: /k/; g: /g/, /d /; x: /ks/
The pronunciation rules of ed in words
在浊辅音和元音后：/d/；在清辅音后：/t/；
在/t/和/d/后：/ d/
The process by which a wastewater plant makes dirty water clean.
Summary
Practise the pronunciation we learnt.
Read the dialogue in 2a and the summary in 2c.
Do the related exercise.
Homework

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