资源简介

(共34张PPT)
Lesson 1 Let’s clean it up!
Unit 8
Protecting the environment
能听懂关于环境保护的对话，获取海滩垃圾问题、清理行动等信息。
能够和同伴谈论如何保护环境。
01
02
学习目标
能够掌握本课时单词、短语和句型。
03
Warming up
How do you feel when you see these pictures
What about these pictures How do you feel now
Read and answer
A How often do you clean your house
1. Read the questions and give your answers.
B How does plastic pollution affect sea life
I clean my house once a week. Sometimes, I clean it more often if it gets dirty quickly.
Plastic pollution is very harmful to sea life. Many animals, like turtles and fish, mistake plastic for food and eat it. This can make them sick or even cause death.
新课讲授
2. Listen to the conversation and answer the questions.
Listening
A. What did the whale die from
It died with too much rubbish in its stomach.
B. Why did Jenny suggest asking their family members to help
Because she wanted to clean the rubbish more quickly.
C. Why do they feel proud
Because they make a difference at this 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. 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.
get worse
plastic bottle
clean up
picking up
feel proud
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
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.
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, 10 kilos in all, in its stomach.
Presentation
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!
Jenny: We can ask our family members to help.
Brian: Good idea!
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.
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. ( )
T
F
T
F
Listening
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.
Pair work
1. How often do you clean your house 你多久打扫一次房子
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。
Language points
[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
2.How does plastic pollution affect sea life 塑料污染如何影响海洋生物
affect [动词]影响；使感染
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。
The new law will affect us all，directly or indirectly.
新的法规将直接或间接地影响我们所有的人。
affect 为及物动词，其后可接名词或代词作宾语。
[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!
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。
3. Such behaviour is harmful to the ocean and its creatures. 这种行为对海洋及其生物有害。
(1)behaviour [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。
(2)harmful [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”。
Fruit juices can be harmful to children’s teeth.
果汁可能损坏儿童的牙齿。
Eating vegetables is good for your health.
吃蔬菜对你的健康有好处。
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。
[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”。
4. Last week, I read that a whale died with more than 20 plastic bags, a toy gun, and other rubbish,20 kilos in all, 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，一共有20千克重。
(1)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
(2)stomach [名词] 胃；腹部
have no stomach for 不想吃；对······没胃口
My stomach hurt last night.
昨晚我胃疼。
I am full now. I have no stomach for anything.
我饱了，我对什么都没有食欲了。
5. 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。
(1)situation [名词] 状况；形势
How do you read the present situation
你对目前的形势有何看法
The whole situation is a mess.
整个情况都是一团糟。
(2)worse 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。
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。
6. We can ask our family members to help. 我们可以请家人帮忙。
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。
7. 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。
(1)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。
The rest of the apples are on the table.剩下的苹果在桌子上。
The rest of the water is dirty.剩下的水很脏。
(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。
Children like to play with all kinds of toys.
孩子们喜欢玩各种各样的玩具。
There are different kinds of fruits in the market.
市场上有不同种类的水果。
We saw many kinds of birds in the forest.
我们在森林里看见许多种类的鸟。
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.
当堂检测
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
Remember the language points in this lesson.
Preview Unit 8 Lesson 2.
Homework

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