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人教版七年级下册
SectionA
Pronunciation 1-2e
Unit 7 A Day to Remember
Learning objectives
1.能正确识别并读出含有字母c, ck, g, x在单词中的发音c[k][s]、ck[k]、g[g][d ]、x[ks]的元音音素词汇，听辨并准确认读含有ed的动词过去式的发音，了解系动词、助动词、情态动词的肯定形式与否定缩略形式在语流中的发音特点
2.获取关于污水处理的关键步骤，如脏水进入处理厂、特殊筛网去除大块废物、大型机器杀灭细菌和去除微小杂质等。运用这些信息，能够清晰地概述污水处理的基本流程，与同伴进行角色扮演，模拟对话场景，并在班级中展示。
3. 创编一段关于环保主题的电话对话，内容需围绕污水处理厂的参观体验、对清洁水资源获取的新认识、以及未来如何参与环保行动展开。增进对环保重要性的理解。
Warming-up
How to pronounce the letters in the video
辅音字母c在以下情况中常发/k/:
1. 在元音字母a、o、u前
2. 在辅音字母前
3. 在单词末尾时
cake
cold
cup
/k/
cry
picnic
music
A cold cat wearing a coat saw a cow eating cake. It wanted some, so it cried beside an empty cup.
Read the following sentences. Pay attention to the sounds of the red letters.
nice
bicycle
city
辅音字母c在元音字母e、i或y前，常发/s/。
/s/
In a nice city, Lily rode her cycle to a beautiful place by the lake. There is a box of rice, a glass of juice, and a bag of ice on the grassland.
juice
ice
rice
Read the following sentences. Pay attention to the sounds of the red letters.
A cock with black feathers stood on a big rock. All the other chickens were pecking at their snacks. Suddenly, a noisy truck drove by, scaring everyone.
cock
black
rock
chicken
snack
truck
/k/
字母组合ck一般发/k/。
Read the following sentences. Pay attention to the sounds of the red letters.
A fox is in a bright red taxi and he is wearing blue socks. He sat next to a box for six minutes and he felt relaxed
fox
taxi
box
six
relax
/ks/
字母x一般发/ks/
当字母x后面是元音且是重读音节时，通常发/ɡz/ 如：
exist exact
exam example
Read the following sentences. Pay attention to the sounds of the red letters.
In the green garden, a good girl was playing with her goat and pig. She gave them great food every day.
green
garden
good
girl
goat
/ɡ/
辅音字母g一般发/ɡ/。
pig
great
Read the following sentences. Pay attention to the sounds of the red letters.
部分gh发/f/
如：laugh、enough
Here is a giant strange monster in a gym. It’s orange.
gym
orange
strange
giant
energy
/d /
辅音字母g在e、i、y前常发/d /
但有几个常见词除外，如：
begin、get
Read the following sentences. Pay attention to the sounds of the red letters.
字母（组合）发音规律汇总 c 在元音字母e、i或y前，常发/s/，如nice、advice、center、city、cycle、fluency等。 在以下情况中常发/k/ A. 在元音字母a、o、u前，如car、cabbage、cost、second、 cover、cup、cut、culture等。
B. 在辅音字母前，如act、attract、physics、picnic、
picture、practice等。
C. 在单词末尾时，如music、basic、historic、magic等。
ck 一般发/k/，如back、lock、luck、neck、pocket、ticket等。 g 一般发/g/，如goal、grade、jog、hungry、progress等; 在e、i、y前常发/d /，如large、change、general、engine、magic、gym、biology、energy等，但有几个常见词除外，如begin、get等。 x 一般发/ks/，如fix、next、taxi、explore等; 有时也发/ks/对应的浊辅音/gz/，如exam、example、exist等。
giant
voice
cook
greet
girraffe
lucky
piece
grain
space
city
kick
page
cycle
change
cage
grow
energy
clock
/k/
/s/
case
/g/
/d /
Game time.
c ck g x
/ k/ / s/ / k/ / g / / d / / ks /
cook catch nice bicycle pick clock game give age large six
next
car
cold
coat
cup
cake
rice
place
ice
juice
back
black
clock
snack
huge
orange
page
strange
north
sport
pork
corn
box
fox
ox
excuse
Listen and repeat, Add one more word to each group.
1
Watch the video and learn how we change a verb into the past tense.
We add -ed to the verb.
Do the 'ed' endings in these verbs have the same pronunciation
huntedplayed
helped
/ d/
/d/
/t/
/t/ talked picked helped stopped finished
/d/ moved climbed filled tried enjoyed
/ d/ wanted visited tasted needed ended
Can you summarize the rules
一般情况下，动词过去式屈折词尾-ed的发音遵循“清-清，浊-浊”规律，即-ed在清辅音后发清辅音/t/，在浊辅音或元音后发浊辅音/d/。如果以/t/或/d/结尾，则-ed发音需要加一个元音，即发/ d/，让发音更省力、流畅。
Listen and repeat. Notice the pronunciation of -(e)d.
2
What is a contraction
Let's learn how to pronounce some negative contractions.
A contraction is a combination of two separate words, with some letters omitted and replaced with an apostrophe. Contractions happen in informal speech and writing. They help make sentences more fluid and quicker to say.
缩写形式是两个独立单词的组合，其中一些字母被省略并用撇号(')代替。缩写形式常用于非正式的口语和书面语中，它们使句子更流畅，读起来更快。
写出下面单词的否定式，总结其发音。
is
are
was
were
do
does
did
can
could
shouldwill
must
is not— isn’t
are not— aren’t
was not— wasn’t
were not— weren’t
do not— don’t
does not—doesn’t
did not— didn’t
can not— can’t
could not— couldn’t
shoud not— shouldn’t
will not— won’t
must not— mustn’t
/ɑ nt/
/ w znt/
/w nt/
/ znt/
/d nt/
/ d znt/
/ d dnt/
/ m s nt/
/w nt/
/kɑ nt/
/ k dnt/
/ dnt/
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.
3
感兴趣的
be interested in sth/doing sth
有趣的 interesting
Look & Predict
Whose trip: ___________________
Where: _______________________
What: ________________________
How: ________________________
Fu Xing
Helen
Fu Xing’s or Helen’s
To the wastewater plant


large machines
the wastewater plant
污水处理厂
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.
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 ______.
clean
large
small
dirty
easy
hard
2a
small
Whose trip: ___________________
Where: _______________________
What: ________________________
How: ________________________
Fu Xing’s
To the wastewater plant

Interesting
Read for key information
What did Fu Xing see
She saw ______________________________________.
How
First, ______________________________________.
Then,
______________________________________.
Next,
______________________________________.
A few steps later,
___________________________________________.
the plant make dirty water clean again
dirty water goes into the plant
special screens remove large pieces of waste
large machines remove germs and other things
the water becomes clean again
screen 1
screen 2
1. The plant makes
A. remove small things from the water.
2. Dirty water goes
B. it was easy to get clean water.
3. Machines inside the plant
C. dirty water clean again.
4. Screens inside the plant
D. remove large pieces of waste from the water.
5. Helen used to think
E. into the plant.
Read the conversation and match the sentence parts.
2b
not at all（用于表达强烈的否定）一点也不
用于询问过去某事的情况或感受。……怎么样？
这些东西通常小得看不见。too ... to ... 太……以至于不能……
我们看到工厂把脏水再次变干净了。
make sth. + adj. 使……处于某种状态
特殊的滤网将大块废物从水中分离出来。remove ... from ... 把……从……中去除
过去常常
Pay attention to the expressions.
需要几个步骤（take 花费）
take steps to do sth采取措施做某事
1. We saw the plant make dirty water clean again.
我们看到工厂使得脏水又变干净了。
see sb do sth 看见某人做某事 强调看到了动作的全过程或动作经常发生 They saw the old man feed the birds every morning.
（他们看到那位老人每天早上都喂鸟。）
see sb doing sth 看见某人正在做某事 强调看到的动作正在进行 When I passed by the park, I saw some children playing football.
（当我路过公园时，我看到一些孩子正在踢足球。）
与see此用法类似的词还有:hear(听见)、watch(观看)、notice(注意到)
“太……以至于不能……”
这里的too表示“过于”或“太”，后面跟形容词/副词描述程度，to引导一个结果，表示“以至于不能……”。
too + 形容词/副词 + to + 动词原形
这些东西通常小得看不见。
2. These things are usually too small to see.
1. She is too busy to look after the dog. (2024连云港市)
2. Molly is too young to dress herself. (2024达州市)
她太忙了，没时间照顾这条狗。
莫莉太小了，无法自己穿衣服。
too ... to ... 可与so ... that或not ... enough进行转换。
These things are usually too small to see.
=These things are so small that we can’t see them.
=These things are not big enough to see.
这些物质通常都很微小, 以至于我们无法看见。
3. Then, special screens remove large pieces of waste from the water.
然后,特殊的隔板除去水中的大块废弃物。
waste
[不可数名词] 废弃物；
[名词] 浪费, 可与冠词a连用。
[动词] 浪费
waste sth. on sth. 浪费某物在某物/事上
waste sth. (in) doing sth. 浪费某物做某事
[形容词]废弃的,无用的
Look! Some boys are collecting waste plastic bottles. I don't think it's a waste of time, because we can turn the waste into something useful.
看!一些男孩正在收集废弃的塑料瓶。我认为这不是浪费时间，因为我们可以把废品变成有用的东西。
4. I used to think it was easy to get clean water.
我过去认为干净的水很容易获得。
I used to be afraid of the dark.
我以前怕黑。
used to
表示“过去常常”，to是不定式符号，后接动词原形。
used to的否定形式是didn't use to或者used not to。
① He didn't use to smoke.
② He used not to smoke.
他过去不抽烟。
他过去不抽烟。
used to的疑问句也有两种形式，一种是“Did+主语+use to+动词原形”。另一种(不常用)形式是“Used+主语+to+动词原形”。
你过去常踢足球吗
他以前常喝咖啡吗
① Did you use to play football
② Used he to drink coffee
区别：used to do sth,be used to do , be/get used to doing sth.
be used to do 表示“被用来做某事”,相当于be used for doing sth. Knives are used to cut things.
刀是用来切东西的。
be/get used to doing sth. 表示“习惯于做某事” She is used to getting up early every morning to do some exercise.她习惯每天早起做些运动。
used to do sth. 表示过去一度存在或经常发生,但现在已经不存在的动作或状态,其后接动词原形 Billy used to be shy and quiet, but he is very outgoing (外向的) now. 比利以前很害羞、很安静，但现在他非常外向。
Watch the video of Unit 7 A 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
Complete the summary of the conversation in 2a.
2c
No, it wasn’t at all. It was really interesting!
Wow! What did you see
Me too! I didn’t realize it was so hard.
/ w znt/
/w z/
/d d/
/ d d( )nt/
Listen to the conversation again and pay attention to the
pronunciation of was, wasn’t, did, and didn’t.
2d
系动词、助动词、情态动词在句子中一般弱读，除非要重点强调，或是在句子末尾时重读。
这些动词的否定式一般会重读，且多数否定缩略式的音节数发生了变化，需要把否定式清楚地表达出来。
Then role-play the conversation.
2d
Helen: Hi, Fu Xing. How was your school trip to the wastewater plant _________________
Fu Xing: No, it wasn't at all. __________________!
Helen: Wow! What did you see
Fu Xing: _____________________________________.
Helen: Really How
Fu Xing: Well, first, _______________________________. Then, _________________________________________.
Helen: What happens next
Fu Xing: Well, ________________________________________________. These things are usually too small to see. _____________________.
Helen: Wow! ___________________________________.
Fu Xing: Me too! __________________________.
Analyze
At first, what does Helen think about the school trip
What does she think at the end of the conversation
Is Fu Xing a good teller
explain the process clearly and logically
Is Helen a good listener
give proper feedback
What makes Fu Xing's school trip day special
Fu Xing's school trip day was special because he learned something new. He realized that making dirty water clean is hard and not as simple as he once thought.
SIX WAYS TO SAVE WATER
使用双冲水马桶
明智地选择和使用你的电器
修理漏水的马桶和滴水的水龙头
准备一个雨水桶
不必要的时候，不要让水龙头一直开着
减少水流
theatre
factory
zoo
museum
farm
forest
market
park
Talk about a school trip you took to a special place.
2e
How was your school trip
It was great.
Where did you go
We went to a zoo.
What did you see
I saw many lovely animals. I also saw the zookeepers feed and take care of the animals.
Really What did the zookeepers do
Well, first, they gave special food to each animal. Some animals eat fruits, while others eat meat or plants. Next, they gave them fresh water to drink. After that, the zookeepers also cleaned the animals' homes, and they even played with them to keep them happy.
That sounds like a lot of work!
It is! I used to think it was easy, but now I know it takes a lot of work and love. It was really a great trip.
Summary
What did we learn
Useful expressions
Pronunciation
The pronunciation rules for the letters c /k/ /s/, g /ɡ/ /d /, x /ks/, and ck /k/.
How was ...
not at all
make sth. + adj.
remove ... from ...
too ... to ...
used to
The pronunciation of -(e)d.
清辅音后面读作/t/，浊辅音和元音后面读作/d/，/t/和/d/后面读作/ d/。
pronounce some negative contractions
Visiting a science m_______(博物馆) is meaningful and we can
learn a lot from it.
The guide always helped tourists have a good time on the t_____(旅行).
We built the power p_____ 50 years ago for this country.
Li Jin volunteers to pick up litter like w____ paper in the park twice a week.
It’s convenient to use a washing _________ (机器 ) to wash clothes.
Wastewater from this f______ polluted (污染) the fields
around here.
一、根据句意及所给提示填空。
随堂练
useum
rip
lant
aste
machine
actory
The cooking apps give useful instructions. We can follow them ______ ____ ___ (一步一步地).
I ____ ___ ___ __ (去旅行) with my parents during the vacation.
There ___ ___ ___ (过去常常) many people smoking in public, but now it isn’t allowed.
上周末，Jim和他的朋友们在饭店进行了聚会。
Jim ____ ____ ____ his friends at a restaurant last weekend.
一你是怎么为你的妈妈庆祝生日的，Jane
一我给妈妈做饭。
一____ _____ you celebrate your mum’s birthday, Jane
一I ______ _____ for Mum.
二、完成句子。
随堂练
step by step
went on a trip
used to be
met up with
How did
cooked food
Homework
常规作业
1. 完成练习册第二课时；
2. 根据所制污水处理流程图进行复述。
进阶作业
叙述一次印象深刻的短途旅行经历（词数40词左右）。
拓展作业
绘制一张节约用水的海报。海报内容包括污水处理流程，醒目标识等。
谢谢
21世纪教育网（www.21cnjy.com)
中小学教育资源网站
兼职招聘：
https://www.21cnjy.com/recruitment/home/admin

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