資源簡介

(共48張PPT)
Unit 8 Protecting the environment
8.1
Let's clean it up!
Towards the end of this unit study, you will be able to：
understand the importance of protecting the environment；
talk about the causes of environmental pollution；
write about environmental problems and ways to protect the environment.
The Earth does not belong to us ; we belong to the Earth.
—— Chief Seattle
地球不屬于我們；我們屬于地球。
——西雅圖酋
1 Read the questions and give your answers.
A How often do you clean your house
B How does plastic pollution affect sea life
2 Listen to the conversation and answer the questions.
Jenny，Danny，and Brian are on a beach vacation with their families. They′re excited to go for a swim in the ocean.
Jenny： Ouch! I stepped on something and it hurts!
Danny： Is it a shark
[動詞]感到疼痛；(使) 疼痛；(使)受傷
Jenny： You′re kidding me. It′s just some plastic. Look，it′s a plastic bottle.
Danny： Plastic It should be in the bin，not in the sea.
Brian： I′ll go throw this bottle in the recycling bin.
[動詞]扔；投；擲
Danny： Look! That man over there is leaving his garbage on the beach. Such behaviour is harmful to the ocean and its creatures.
Jenny： Exactly! Last week，I read that a whale died with more than 20 plastic bags，a toy gun，and other rubbish in Its stomach.
[名詞] 行為；舉止
對······有害
[動詞] 死
[名詞] 胃；腹部
Danny： That′s such a terrible story. If we do nothing，the situation will get worse.
Brian： How about cleaning up the beach？
Danny： Sounds good. But it would take too long. There are only three of us！
[名詞]狀況；形勢
變糟糕
清理；把······打掃干凈
Jenny： We can ask our family members to help.
Brian： Good idea!
[名詞] 成員
They explain the plan to their family members，and everyone agrees to help. They spend the rest of the afternoon picking up bottles，plastic bags，and all kinds of garbage on the beach. Before leaving，they take a final swim. They feel proud that they made a difference at the beach.
剩下的/其余的······
各種各樣的
A Who is having a vacation on the beach
B Who finds the plastic in the ocean
C What is Brian′s idea about the garbage on the beach
D How do they feel after cleaning up the beach
Jenny，Danny，Brian and their families.
Jenny.
To clean up the beach.
They feel proud that they made a difference at the beach.
3 Listen to the conversation again and fill in the blanks.
Jenny，Danny，and Brian were on a beach vacation with their families. Jenny stepped on a ______________. Danny saw a man leaving his garbage on the beach. They thought the situation would ____________ if people did not take action to protect the beach. So they decided to ____________ the beach.
plastic bottle
get worse
clean up
They asked their family members to help. They spent the afternoon ___________ all kinds of garbage on the beach. They __________ that they made a difference in keeping the beach clean and protecting the ocean and its creatures.
picking up
felt proud
4 Listen to the dialogue and write true (T) or false (F).
Danny is talking with Jenny and Brian.
A It′s a beautiful day today. ( )
B They are studying geography in class this week. ( )
C They will ask their classmates to help. ( )
D They are going to pick up the garbage on the street. ( )
5 What can people do to protect the environment Talk with your partner.
A：What do you usually do to protect the environment？
B：When I see garbage on the street， I pick it up and throw it in the garbage bin. How about you
A：I save water by taking shorter showers.
1. How often do you clean your house 你多久打掃一次房子 (教材第 100 頁，1)
how often 多久一次
how often 用來提問某個動作或狀態發生的頻率，即詢問一段時間內某個動作或狀態發生了幾次。
答語常用：always、never、once a week 等表示頻率的副詞或短語。
— How often do you go to the movies？
你多長時間去看一次電影
— Once a week. 一個星期一次。
[辨析]
how often，how long，how soon 與 how far
how often “多久一次”，主要用來對頻率進行提問，常用表示頻率的副詞或短語回答 always、usually、often、sometimes、seldom、never、once a week、twice a month、three times a week 等
how long “多長(時間)”，主要用來對一段時間進行提問，常用“for＋時間段”或“since＋時間點”回答。how long 也可用來詢問物體的長度
how soon “多久以后”，主要用來對表示將來的一段時間進行提問，常用“in＋時間段”回答
how far “多遠”，主要用來對距離進行提問
[中考鏈接]
(2024 四川達州中考)— ________ do you have a sports meeting in your school
— Once a year.
A. How long B. How often
C. How soon
B
2. How does plastic pollution affect sea life 塑料污染如何影響海洋生物 (教材第 100 頁，1)
affect / fekt/ [動詞] 影響；使感染
affect 為及物動詞，其后可接名詞或代詞作賓語。
Finally，video games can affect children′s social skills.
最后，電子游戲會影響孩子的社交能力。
[辨析]
affect，effect 與 influence
affect 及物動詞，主要指一時的影響，強調影響的動作。既可指一般意義的影響(不分好壞)，又可指不良影響
effect 及物動詞或名詞(可數或不可數)，作及物動詞時不表示“影響”而表示“實現；引起；使產生”
influence 及物動詞或名詞(通常不可數，但有時可與不定冠詞連用)，主要指對行為、性格、觀點等產生間接的或潛移默化的影響
3. I stepped on something and it hurts! 我踩到了什么東西，感覺很痛! (教材第 100 頁，2)
hurt [動詞] 感到疼痛；(使)疼痛；(使)受傷
其過去式和過去分詞均為 hurt。
My tooth hurts. 我牙痛。
Stop it. You're hurting me. 住手。你弄疼我了。
Did you hurt yourself 你傷著自己了嗎
[拓展]
① hurt 作形容詞，意為“受傷的”，既可指身體上受傷的，又可指感情上受傷的。
My leg was hurt. 我的腿受傷了。
② hurt 作名詞，意為“心理創傷；委屈”。
It was a hurt that would take a long time to heal.
那是需要很長時間才能愈合的創傷。
4. I′ll go throw this bottle in the recycling bin. 我去把這個瓶子扔進回收箱。(教材第 100 頁，2)
throw [動詞] 扔；投；擲
throw 的過去式為 threw，過去分詞為 thrown。
throw sth.to sb./sth. 把某物扔給某人/某物
throw... away 扔掉······；丟棄······
throw at... 投向······；擲向······
throw... into… 把······投入······
Please throw the ball to me. 請把球扔給我。
Don′t leave your toys on the table，or I will throw them away.
不要把你的玩具放在桌子上，否則我會把它們扔掉。
Don′t throw stones at the window. 不要朝窗戶扔石頭。
He threw himself into his work. 他投身于工作。
[中考鏈接]
(2024黑龍江龍東地區中考) Don′t________ rubbish everywhere. It′s everyone′s duty to protect the environment.
A. put away B. take away
C. throw away
C
5. Such behaviour is harmful to the ocean and its creatures. 這種行為對海洋及其生物有害。(教材第 100 頁，2)
behaviour /b he vj (r)/ [名詞] 行為；舉止
be on one′s best behaviour 盡量表現得體
His behaviour is highly irregular. 他的行為很不正常。
[拓展]
behave [動詞] 表現
Boys and girls may behave differently.
男孩和女孩兒的表現可能不同。
5. Such behaviour is harmful to the ocean and its creatures. 這種行為對海洋及其生物有害。(教材第 100 頁，2)
harmful / hɑ mfl/ [形容詞] 有害的；導致損害的
harmful 常用于固定搭配 be harmful to 中，意為“對······有害”，相當于 be bad for，
其反義短語為 be good for“對······有好處”。
[拓展]
① harm 作名詞，意為“損害；傷害”。常見搭配 do harm to 意為“對······造成損害”。
Playing too many computer games will do harm to your health.
玩太多電腦游戲會對你的健康有害。
② harm 作動詞，意為“損害；傷害”。
The cat won′t harm you. 這只貓不會傷害你。
[中考鏈接]
(貴州黔南) Charlie，don′t read in the sun! It is bad for your eyes! (同義替換). _________
A. is good for B. is harmful to
C. is cruel to D. is sad for
B
6. Last week，I read that a whale died with more than 20 plastic bags，a toy gun，and other rubbish in its stomach. 上周，我讀到有一頭鯨魚死亡，它的胃里有 20 個塑料袋、一把玩具槍和其他垃圾。(教材第 100 頁，2)
die [動詞] 死
die 的過去式和過去分詞均為 died，動詞 -ing 形式為 dying。
He died for his beliefs. 他為自己的信仰獻身。
[注意]
die 是短暫性(非延續性)動詞，一般不能和表示一段時間的狀語連用，可以轉換為 be dead 表狀態，此時可以與表示一段時間的狀語連用。
Her grandfather died several years ago. ＝Her grandfather has been dead for several years.
她的祖父去世好幾年了。
[辨析]
die，dead，dying 與 death
die 動詞 死亡 表示死亡這一動作，常與表示時間、地點或原因的狀語連用，不能與表示段時間的狀語連用
dead 形容詞 死的 在句中作表語或定語，無比較級、最高級形式
dying 形容詞 臨終的；垂死的 常在名詞前作定語
death 名詞 死亡 常在句中作主語或賓語
6. Last week，I read that a whale died with more than 20 plastic bags，a toy gun，and other rubbish in its stomach. 上周，我讀到有一頭鯨魚死亡，它的胃里有 20 個塑料袋、一把玩具槍和其他垃圾。(教材第 100 頁，2)
stomach / st m k/ [名詞] 胃；腹部
have no stomach for 不想吃；對······沒胃日
My stomach hurt last night. 昨晚我胃疼。
7. If we do nothing，the situation will get worse. 如果我們什么都不做，情況會變得更糟。(教材第 100 頁，2)
situation / s tju e n/ [名詞] 狀況；形勢
How do you read the present situation
你對目前的形勢有何看法
7. If we do nothing，the situation will get worse. 如果我們什么都不做，情況會變得更糟。(教材第 100 頁，2)
worse /w s/ ① [形容詞] 更糟的；更壞的
worse 是 bad 的比較級。
get worse 變糟糕
The weather got worse during the day.
白天天氣變得更惡劣了。
worse ② [副詞] 更糟
even worse 更糟糕的是
Even worse，her keys were lost as well.
更糟糕的是，她的鑰匙也丟了。
③ [名詞] 更多的問題
I am afraid there is worse to come.
恐怕更糟的還在后頭呢。
8. How about cleaning up the beach 清理海灘怎么樣 (教材第 100 頁，2)
clean wp 清理；把······打掃干凈
clean up 為“動詞＋副詞”型短語，當其賓語為代詞時，代詞應置于 clean 與 up 之間；當其賓語為名詞時，名詞置于 clean 與 up 之間或 up之后均可。
9. We can ask our family members to help. 我們可以請家人幫忙。(教材第 100 頁，2)
member [名詞] 成員
member 為可數名詞，多用于指團體或組織的成員。
常見搭配：a/the member of... 意為“······的一員”。
There are four members in my family.
我家有四口人。
10. They spend the rest of the afternoon picking up bottles，plastic bags，and all kinds of garbage on the beach. 他們用下午剩下的時間在海灘上撿瓶子、塑料袋和各種垃圾。(教 材第 100 頁，2)
the rest of 剩下的/其余的······
當“the rest of＋可數名詞復數”作主語時，謂語動詞用復數形式；當“the rest of＋不可數名詞”作主語時，謂語動詞用單數形式。
10. They spend the rest of the afternoon picking up bottles，plastic bags，and all kinds of garbage on the beach. 他們用下午剩下的時間在海灘上撿瓶子、塑料袋和各種垃圾。(教 材第 100 頁，2)
all kinds of 各種各樣的
all kinds of 后接不可數名詞或可數名詞復數，kinds 前還可用 many、different、these 等詞修飾以表達不同的含義。
[拓展]
① a kind of 意為“一種”，后接可數名詞單數或不可數名詞。
Red is a kind of colour. 紅色是一種顏色。
② kind of 意為“有點兒；稍微”，后常接形容詞。
I′m kind of thirsty. 我有點兒渴了。
I. 根據漢語提示填寫單詞
1. Plastic __________ (污染) can harm marine life.
2. I was full of_________ (委屈).
3. There is a big ___________ (鯊魚) in the sea.
4. We should put the litter into the ___________ (垃圾箱).
5. He wants to ___________ (回收利用) some old things.
pollution
hurt
shark
bin
recycle
Ⅱ. 用所給單詞的適當形式填空
1. They are excited __________ (go) for a picnic.
2. My arm __________ (hurt) yesterday.
3. Such ___________ (behave) is harmful to the environment.
4. Fruit juice can be ____________ (harm) to children′s teeth.
5. They spent one hour ___________ (finish) the rest of work.
to go
hurt
behaviour
harmful
finishing

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