资源简介

(共48张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
地球不属于我们；我们属于地球。
——西雅图酋
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
[动词]感到疼痛；(使) 疼痛；(使)受伤
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.
[动词]扔；投；掷
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.
[名词] 行为；举止
对······有害
[动词] 死
[名词] 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！
[名词]状况；形势
变糟糕
清理；把······打扫干净
Jenny： We can ask our family members to help.
Brian： Good idea!
[名词] 成员
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······
各种各样的
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 你多久打扫一次房子 (教材第 100 页，1)
how often 多久一次
how often 用来提问某个动作或状态发生的频率，即询问一段时间内某个动作或状态发生了几次。
答语常用：always、never、once a week 等表示频率的副词或短语。
— How often do you go to the movies？
你多长时间去看一次电影
— Once a week. 一个星期一次。
[辨析]
how often，how long，how soon 与 how far
how often “多久一次”，主要用来对频率进行提问，常用表示频率的副词或短语回答 always、usually、often、sometimes、seldom、never、once a week、twice a month、three times a week 等
how long “多长(时间)”，主要用来对一段时间进行提问，常用“for＋时间段”或“since＋时间点”回答。how long 也可用来询问物体的长度
how soon “多久以后”，主要用来对表示将来的一段时间进行提问，常用“in＋时间段”回答
how far “多远”，主要用来对距离进行提问
[中考链接]
(2024 四川达州中考)— ________ 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 塑料污染如何影响海洋生物 (教材第 100 页，1)
affect / fekt/ [动词] 影响；使感染
affect 为及物动词，其后可接名词或代词作宾语。
Finally，video games can affect children′s social skills.
最后，电子游戏会影响孩子的社交能力。
[辨析]
affect，effect 与 influence
affect 及物动词，主要指一时的影响，强调影响的动作。既可指一般意义的影响(不分好坏)，又可指不良影响
effect 及物动词或名词(可数或不可数)，作及物动词时不表示“影响”而表示“实现；引起；使产生”
influence 及物动词或名词(通常不可数，但有时可与不定冠词连用)，主要指对行为、性格、观点等产生间接的或潜移默化的影响
3. I stepped on something and it hurts! 我踩到了什么东西，感觉很痛! (教材第 100 页，2)
hurt [动词] 感到疼痛；(使)疼痛；(使)受伤
其过去式和过去分词均为 hurt。
My tooth hurts. 我牙痛。
Stop it. You're hurting me. 住手。你弄疼我了。
Did you hurt yourself 你伤着自己了吗
[拓展]
① hurt 作形容词，意为“受伤的”，既可指身体上受伤的，又可指感情上受伤的。
My leg was hurt. 我的腿受伤了。
② hurt 作名词，意为“心理创伤；委屈”。
It was a hurt that would take a long time to heal.
那是需要很长时间才能愈合的创伤。
4. I′ll go throw this bottle in the recycling bin. 我去把这个瓶子扔进回收箱。(教材第 100 页，2)
throw [动词] 扔；投；掷
throw 的过去式为 threw，过去分词为 thrown。
throw sth.to sb./sth. 把某物扔给某人/某物
throw... away 扔掉······；丢弃······
throw at... 投向······；掷向······
throw... into… 把······投入······
Please throw the ball to me. 请把球扔给我。
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，否则我会把它们扔掉。
Don′t throw stones at the window. 不要朝窗户扔石头。
He threw himself into his work. 他投身于工作。
[中考链接]
(2024黑龙江龙东地区中考) 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. 这种行为对海洋及其生物有害。(教材第 100 页，2)
behaviour /b he vj (r)/ [名词] 行为；举止
be on one′s best behaviour 尽量表现得体
His behaviour is highly irregular. 他的行为很不正常。
[拓展]
behave [动词] 表现
Boys and girls may behave differently.
男孩和女孩儿的表现可能不同。
5. Such behaviour is harmful to the ocean and its creatures. 这种行为对海洋及其生物有害。(教材第 100 页，2)
harmful / hɑ mfl/ [形容词] 有害的；导致损害的
harmful 常用于固定搭配 be harmful to 中，意为“对······有害”，相当于 be bad for，
其反义短语为 be good for“对······有好处”。
[拓展]
① harm 作名词，意为“损害；伤害”。常见搭配 do harm to 意为“对······造成损害”。
Playing too many computer games will do harm to your health.
玩太多电脑游戏会对你的健康有害。
② harm 作动词，意为“损害；伤害”。
The cat won′t harm you. 这只猫不会伤害你。
[中考链接]
(贵州黔南) Charlie，don′t read in the sun! It is bad for your eyes! (同义替换). _________
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，我读到有一头鲸鱼死亡，它的胃里有 20 个塑料袋、一把玩具枪和其他垃圾。(教材第 100 页，2)
die [动词] 死
die 的过去式和过去分词均为 died，动词 -ing 形式为 dying。
He died for his beliefs. 他为自己的信仰献身。
[注意]
die 是短暂性(非延续性)动词，一般不能和表示一段时间的状语连用，可以转换为 be dead 表状态，此时可以与表示一段时间的状语连用。
Her grandfather died several years ago. ＝Her grandfather has been dead for several years.
她的祖父去世好几年了。
[辨析]
die，dead，dying 与 death
die 动词 死亡 表示死亡这一动作，常与表示时间、地点或原因的状语连用，不能与表示段时间的状语连用
dead 形容词 死的 在句中作表语或定语，无比较级、最高级形式
dying 形容词 临终的；垂死的 常在名词前作定语
death 名词 死亡 常在句中作主语或宾语
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，我读到有一头鲸鱼死亡，它的胃里有 20 个塑料袋、一把玩具枪和其他垃圾。(教材第 100 页，2)
stomach / st m k/ [名词] 胃；腹部
have no stomach for 不想吃；对······没胃日
My stomach hurt last night. 昨晚我胃疼。
7. If we do nothing，the situation will get worse. 如果我们什么都不做，情况会变得更糟。(教材第 100 页，2)
situation / s tju e n/ [名词] 状况；形势
How do you read the present situation
你对目前的形势有何看法
7. If we do nothing，the situation will get worse. 如果我们什么都不做，情况会变得更糟。(教材第 100 页，2)
worse /w s/ ① [形容词] 更糟的；更坏的
worse 是 bad 的比较级。
get worse 变糟糕
The weather got worse during the day.
白天天气变得更恶劣了。
worse ② [副词] 更糟
even worse 更糟糕的是
Even worse，her keys were lost as well.
更糟糕的是，她的钥匙也丢了。
③ [名词] 更多的问题
I am afraid there is worse to come.
恐怕更糟的还在后头呢。
8. How about cleaning up the beach 清理海滩怎么样 (教材第 100 页，2)
clean wp 清理；把······打扫干净
clean up 为“动词＋副词”型短语，当其宾语为代词时，代词应置于 clean 与 up 之间；当其宾语为名词时，名词置于 clean 与 up 之间或 up之后均可。
9. We can ask our family members to help. 我们可以请家人帮忙。(教材第 100 页，2)
member [名词] 成员
member 为可数名词，多用于指团体或组织的成员。
常见搭配：a/the member of... 意为“······的一员”。
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. 他们用下午剩下的时间在海滩上捡瓶子、塑料袋和各种垃圾。(教 材第 100 页，2)
the rest of 剩下的/其余的······
当“the rest of＋可数名词复数”作主语时，谓语动词用复数形式；当“the rest of＋不可数名词”作主语时，谓语动词用单数形式。
10. They spend the rest of the afternoon picking up bottles，plastic bags，and all kinds of garbage on the beach. 他们用下午剩下的时间在海滩上捡瓶子、塑料袋和各种垃圾。(教 材第 100 页，2)
all kinds of 各种各样的
all kinds of 后接不可数名词或可数名词复数，kinds 前还可用 many、different、these 等词修饰以表达不同的含义。
[拓展]
① a kind of 意为“一种”，后接可数名词单数或不可数名词。
Red is a kind of colour. 红色是一种颜色。
② kind of 意为“有点儿；稍微”，后常接形容词。
I′m kind of thirsty. 我有点儿渴了。
I. 根据汉语提示填写单词
1. Plastic __________ (污染) can harm marine life.
2. I was full of_________ (委屈).
3. There is a big ___________ (鲨鱼) 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. 用所给单词的适当形式填空
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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