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(共34张PPT)
Unit 7 A Day to Remember
Period 2 Section A
(2a-2e)
能够准确听辨描述细节的形容词，并在此基础上理解污水处理的完整流程。
能够理解并使用一般过去时，询问和描述难忘的研学经历。
能够运用所学的语言，结合实际情况分享一次特别的研学经历（包括时间、地点、活动内容和个人感悟）。
能够认识到日常用水是来之不易的，树立保护环境、提高节约用水的意识。
Learning Objectives
They had a
meaningful
school trip.
Let's look and say.
Where did they go
They went to a farm.
What did they do
They planted the vegetables and fed the animals.
Where did they go
What did they do
They went to the Tengwang Pavilion .
They took a photo.
Where did they go
They went to the Science and Technology Museum.
What did they do
They talked with a robot.
Pre-listening : Look and say
What’s the place
wastewater plant
waste + water
/we st/
A. 植物
B. 工厂
Look and share:
What did she see in the wastewater plant
special
screens
large
machine
[m i n]
机器
[skri n]
过滤器
Look and share:
What can these special screens do
Special screens remove large pieces of waste from the water.
Large machines remove germs and other things from the water .
germ /d m/
n. 细菌
Look and share:
What can these large machines do
While-listening: Listen and Fill
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 _______.
What words may be put in the blanks
Adjectives
clean
dirty
large
small
easy
hard
It's the opposite of “dirty”, showing the goal of the wastewater plant is to turn dirty water clean.
It tells us the water going into the wastewater plant is dirty at first.
It shows the machines are big and can work well to treat wastewater.
It's the opposite of “large”. It shows things like germs are tiny, and also shows the machines can deal with these tiny things.
It shows that before, Helen (and many others) thought getting clean water was not a difficult thing.
It's the opposite of “easy”. It shows that in fact, getting clean water needs a complex process and is not easy.
used to do…
过去常常做……
realize / ri la z/
v. 意识到
These adjectives help in:
Describing nouns
Expressing opinion/evaluation
Adding details
too…to…
太…以至于不…
2b .while-listening
Read the conversation and match the sentence parts.
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.
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
turn… into…
把…变成…
learn about
了解某事
use… to…
用…做成…
Retell the process:
Dirty water ...goes into ...
Special screens remove ... from the water.
Machines ... remove ... from ...
The plant makes ... again.
Tip:
“First, then, next, after, before” can make the process logical and clear.
Think and answer:
What does Helen think of getting clean water
She used to think it was easy to get clean water, but now she knows it is difficult/hard.
How about you
I used to think it was __________ to get clean water, but now I knows it is ____________.
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.
2d . Listen to the conversation again and pay attention to the pronunciation of was, wasn’t, did and didn’t.
wasn’t/ w znt/
was/w z/
unstressed
stressed
did/d d/
didn’t/ d d( )nt/
unstressed
stressed
Read and Think
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.
When describing an unforgettable experience, what aspects can you cover
First,
Then,
Next,
Finally
What did you see
How did you feel
What did you learn
Where did you go
Talk about a school trip How was it
Where did you go
What did you see and do
How did you feel
What did you learn
…
theatre
factory
zoo
museum
farm
forest
market
park
S1: How was your school trip
S2: It was great/interesting/...
S1: Where did you go
S2: I went to the farm/factory/zoo/...
S1: What did you see and do
S2: I saw many animals/trees/...and I ...
S1: How did you feel
S2: I felt/was tired but happy/excited/...
S1: What did you learn
S2: I used to think it was __________ to..., but now I know it is ____________.
2e.Talk about a school trip you took to a special place.
What can we do to protect the water resources in our daily lives
Think deeply
Water plants after washing vegetables.
Turn off the tap when you brush your teeth.
Stop polluting water.
Every drop counts!
Language
Points
Then, special screens remove large pieces of waste from the water.
然后，特殊的筛网会去除水中大块的垃圾。(教材P51 2a)
★ piece (n.) 片; 块
★ a piece of 意为“一张；一片；一块；一则；一首”
a piece of
a piece of cake
一块蛋糕
a piece of bread
一片面包
a piece of news
一则新闻
a piece of paper
一张纸
a piece of song
一首歌
Language Points
Language Points
Special screens remove large pieces of waste from the water. 特殊的滤网会从水中去除大块的废物。
remove此处为动词，译为“移走、开除”。
常见搭配：remove sth. from 地点 从某处移走某物
remove sth. to 地点 将某物移到某处
eg: She wants to remove the books from the shelf. 她想要把这些书从架子上移走。
Please remove these toys to the basket. 请把这些玩具移到篮子里。
These things are usually too small to see. 这些东西通常太小看不到。
“ too +形容词/副词 to do”结构常译为“太...而不能...”，常表示否定意义。
该结构可以和“so... that从句（否定）”及“not ... enough”结构互换。
eg: He is too tired to finish his homework.
= He is so tired that he can’t finish his homework.
他太累了，无法完成作业。
The box is too heavy for me to lift.
= The box is so heavy that I can’t lift it.
= The box isn’t light enough for me to lift it.
这个盒子太重，我举不起来。
Language Points
Then, special screens remove large pieces of waste from the water.
然后，特殊的筛网会去除水中大块的垃圾。(教材P51 2a)
Language Points
Then, special screens remove large pieces of waste from the water.
然后，特殊的筛网会去除水中大块的垃圾。(教材P51 2a)
(3) [名词] 浪费, 可与冠词a连用。
It's a waste to throw good food away.把好好的食物扔掉太浪费了。
(4) [形容词]废弃的,无用的
They stop factories from putting waste water into the river.
他们阻止工厂将废水排入河流。
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.
(adj.) 废弃的
(n.) 浪费
([u])废弃物
Language Points
I used to think it was easy to get clean water. (教材P51， 2a)
我过去常常认为得到干净的水很容易。
★ used to + do sth. 过去常常(做)…
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,且不与确定的过去时间状语连用;
★ 其中 “used” 是过去式，没有人称和数的变化。
★ used to的否定形式是didn't use to 或used not to (usedn't to)。
Language Points
I used to think it was easy to get clean water. (教材P51， 2a)
我过去常常认为得到干净的水很容易。
短语 用法
be used to do 表示“被用来做某事”,相当于be used for doing sth.
be/get used to doing sth. 表示“习惯于做某事”
用所给单词的适当形式填空：
My grandfather used to ________ (watch) TV at home after dinner. But now he is used to __________ (go) out for a walk.
watch
going
Language Points
Language Points
It takes a few more steps after that before the water becomes clean again.
在水再次变干净之前还有再花几步。
【用法详解】
step在此处为名词，译为“步骤”，也可译为“脚步”；
常见搭配：take steps (to do sth.) 采取措施（做某事）
eg: He took a few steps towards the door. 他朝门口走了几步。
We must take steps to end the war. 我们必须采取措施来结束这场战争。
step也可为动词，译为“踩踏、进入”。
常见搭配：step by step 一步步地、逐步地
eg: Don’t step on the grass. 不要踩在草地上。
We need to approach this problem step by step. 我们需要逐步解决这个问题。
It takes a few more steps after that before the water becomes clean again.在水再次变干净之前还有再花几步。【用法详解】
step在此处为名词，译为“步骤”，也可译为“脚步”；
常见搭配：take steps (to do sth.) 采取措施（做某事）
eg: He took a few steps towards the door. 他朝门口走了几步。
We must take steps to end the war. 我们必须采取措施来结束这场战争。
step也可为动词，译为“踩踏、进入”。
常见搭配：step by step 一步步地、逐步地
eg: Don’t step on the grass. 不要踩在草地上。
We need to approach this problem step by step. 我们需要逐步解决这个问题。
Exercise
学校旅行
污水厂
一点也不
让污水变干净
把…从…中移除
大块垃圾
太…以至于不能
过去常常…
看见…做某事
school trip
wastewater plant
not…at all
make dirty water clean
remove…from
large pieces of waste
too … to
used to do sth.
see ... do sth.
Exercise --- Translate the words and phrases.
( )1. Playing computer games is a ______ of time and energy.
A．step B．waste C．plant D．process
( ) 2. Sally felt ill and had to stay in hospital. At that time, she ________ the importance of health.
A．realized B．hoped C．created D．removed
( ) 3.— ______ your school trip to the science museum？
—It was interesting.
A.What was B.How was C.What does D.How does
Exercise --- Choose the correct answer.
( ) 4. These large ______ can remove germs and other things from the water.
A.plants B.wastes C.germs D.machines
( ) 5.The book is _____ heavy ______ carry with one hand.
A.so； that B.so； to C.too； to D.too； that
( ) 6.I ________ afraid of dogs. But now I like them very much.
A．am used to B．used to C．used to be D．use to be
Exercise --- Choose the correct answer.
Must-do
Interview your classmates about their
school trip and make a report. (采访你
的同学关于他们的学校旅行，并做一
份报告。)
Choose-to-do
Introduce the process of water
cleaning with a demonstration in your
vlog. (在你的 Vlog 中演示并介绍净
水过程。)
Homework

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