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Unit 4 Amazing Plants and Animals
Section B（2a-Reflecting）
· 学习目标
· 新课导入
· 内容讲解
· 课堂总结
· 课后作业
Learning goals
1. New words: happiness,disappoint,mushroom,ton,role,pea,climate,ocean,except,tiny,
lively
2. Expressions: play a role (in)
New words
happiness / h pin s/ n. 幸福；快乐
mushroom / m r m/ n. 蘑菇；伞菌
disappoint / d s p nt/ v. 使失望；使破灭
New words
ton /t n/ n. 吨
pea /pi / n. 豌豆
role /r l/ n. 作用；职能；角色
New words
climate / kla m t/ n. 气候
ocean / n/ n. 大海；海洋
except / k sept/ prep. 除......之外；除了
New words
tiny / ta ni/ adj. 极小的；微小的
lively / la vli/ adj. 精力充沛的；生机勃勃的
New words
happiness / h pin s/ n. 幸福；快乐
disappoint / d s p nt/ v. 使失望；使破灭
mushroom / m r m/ n. 蘑菇；伞菌
ton /t n/ n. 吨
role /r l/ n. 作用；职能；角色
New words
pea /pi / n. 豌豆
climate / kla m t/ n. 气候
ocean / n/ n. 大海；海洋
except / k sept/ prep. 除......之外；除了
tiny / ta ni/ adj. 极小的；微小的
lively / la vli/ adj. 精力充沛的；生机勃勃的
Lead-in
—How are we connected with plants and animals
Textbook
2a
Circle the odd ones.Then give your reasons.
1. habit height size weight
2. joy happiness fun enjoy
3. angry disappointed smart sad
4. appear look seem watch
5. honey milk juice bread
Textbook
2a
Circle the odd ones.Then give your reasons.
1. 圈出habit；原因：height（身高）、size（尺寸）、weight（体重）都和身体外在的“度量/特征”相关，habit（习惯）是行为模式，类别不同。
2. 圈出enjoy；原因：joy（喜悦）、happiness（幸福）、fun（乐趣）都是名词表情绪/感受，enjoy是动词（享受），词性不同。
3. 圈出smart；原因：angry（愤怒的）、disappointed（失望的）、sad（悲伤的）都表负面情绪，smart（聪明的）是中性特质，情感色彩不同。
4. 圈出watch；原因：appear（显得；出现）、look（看起来）、seem（似乎）都可表“感官/推测”，是近义词；watch（观看）侧重“主动看动作”，语义不同。
5. 圈出bread；原因：honey（蜂蜜）、milk（牛奶）、juice（果汁）都属“饮品/流质食物”，bread（面包）是固体主食，类别不同。
Textbook
2b
Add the endings-ance,-(t)ion,-ness,and-ity to form nouns.Use your dictionary.
1. act __________________ 2. good __________________
3. kind __________________ 4. appear __________________
5. real __________________ 6. imagine __________________
7. connect __________________ 8. popular __________________
9. communicate __________________ 10. important __________________
action
goodness
kindness
appearance
reality
imagination
connection
popularity
communication
importance
Textbook
2c
Complete the sentences with the correct forms of the words in the box.
appear disappoint imagine store weigh
1. I felt __________ when my favourite flowers died.
2. After the rain,some mushrooms __________ in the garden.
3.In my hometown, people often use bamboo baskets to __________ food.
4.What did you put in your luggage It __________ a ton.
5.I can’t _________ my life without my pets. They mean a lot to me.
disappointed
appear
store
weighs
imagine
Textbook
2d
Complete the sentences with the correct forms of the words in the box.
however important land planet protect
You may not realize it, but frogs play an important role in our _______ ecosystem. The smallest frogs are about the size of a pea, while larger ones can grow as big as a human hand.Many people know that frogs help to _______ farms by eating insects._______,not everyone understands their _________ in nature. Frogs can live on _______ and in water.Because of this, they are popular subjects in studies on climate change and the ecosystem.
planet’s
protect
However
importance
land
Textbook
3a
Read the text and complete the table.
The Blue Whale
The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see.Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day.
Textbook
3a
Read the text and complete the table.
The Blue Whale
Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them.
Language points
1
play a role in (sth.)表示 “在…… 中起作用；在…… 中扮演角色” 。
1. 后接名词 / 名词短语
说明在某事物（领域、过程等）里发挥作用、承担角色，role 前常用形容词（如 important、key、vital 等）强化作用程度。
e.g. Exercise plays an important role in keeping healthy.
锻炼在保持健康方面起重要作用 。
2. 后接动名词（doing 形式）,强调在 “做某事” 这个行为或过程里的作用，即对动作本身产生影响。
e.g. Reading more plays a role in improving writing skills.
多阅读对提升写作技巧有帮助 。
Language points
练
1.音乐在我们的日常生活中起着重要作用 。（中翻英）
Music plays an important role in our daily life.
2.Reading books plays a role in opening up our minds.（英翻中）
读书在开拓我们的思维方面发挥着作用
Textbook
3a
Read the text and complete the table.
Blue whale facts
Weight As much as 200 tons.
Where they live In all oceans except the Arctic Ocean.
Food Some of the tiniest animals in the ocean.
How long they live Up to 90 years.
Importance in nature Become food for sea animals when dying, help create a lively and healthy ecosystem.
Textbook
3b
Imagine you are a blue whale. Use the first person to rewrite the first paragraph.
Hello everyone! My name is Billy the Blue Whale. I am ________________ ______________________________________________________________
I’m heavy, but I _________________________________________________
I live in ________________________________________________________
I can eat _______________________________________________________
Textbook
3b
Imagine you are a blue whale. Use the first person to rewrite the first paragraph.
Hello everyone! My name is Billy the Blue Whale. I am the largest and heaviest animal on earth. I can weigh as much as 200 tons. I’m heavy, but I think many people like watching me swim. I live in all oceans except the Arctic Ocean. I can eat around four tons of the tiniest animals in the ocean a day.
Textbook
3c
Complete your passage about the blue whale based on the text in 3a.
Blue Whales: Giants(巨人) of the Ocean
Blue whales are the largest and heaviest animals on Earth. They can weigh up to 200 tons. These gentle giants mainly live in all oceans except the Arctic Ocean.
Their diet is quite special—they feed on some of the tiniest ocean creatures. A blue whale can eat around four tons of these small animals daily.
Textbook
3c
Complete your passage about the blue whale based on the text in 3a.
Blue Whales: Giants(巨人) of the Ocean
Blue whales have a long lifespan, living up to 90 years. When they die at sea, their bodies become a valuable food source for many sea - dwelling animals. This helps maintain a lively and healthy marine ecosystem.
In short, blue whales play a crucial role in our world. We must protect them to keep the ocean ecosystem in balance.
Project: Make a poster about a plant or an animal
4a
Work in groups.Choose or create the title of your poster.
The Strongest Animal
The Cutest Animal
The Most Amazing Plant
The Most Beautiful Animal
The Oldest Tree
The Most Popular House Plant
Project: Make a poster about a plant or an animal
4b
Collect pictures and find out information about the plant or animal that you choose.
1.What is its name
2.Where does it live/grow
3. Why did you choose it
4. What are some interesting facts about it
4c
Present your poster in class.Then vote for the best one.
Project: Make a poster about a plant or an animal
Reflecting: Take care of animals and plants because we cannot live
without them.
1. What amazing plants and animals did you learn about in the unit
2. When do you use the superlative forms of adjectives and adverbs
3. Can you describe some amazing plants or animals in the world
4. How are we connected with plants and animals
Summary
New words
Expressions
happiness,disappoint,mushroom,ton,role,pea,climate,ocean,except,tiny,lively
play a role (in)
Homework
1
2
Memorize the new words, expressions and sentences in Section B (2a-Reflecting).
Finish the exercises of the test paper on the book 5·3.

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