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(共27张PPT)
Unit 4 Amazing Plants and Animals
Section B
2a-2e
What can you remember about the measurements in the video
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
2a. Circle the odd ones. Then give your reasons.
Tips:从语义范畴、词性、表达的情感或特质类型等方面，对词汇进行区分以找出异类。
The rules for forming nouns with the suffixes -ance, -(t)ion, -ness, -ity
1. -ance
规则：通常加在动词后面 ，构成抽象名词表示行为、状态、性质等 。
perform（v.表演；执行 ）→ performance（n.表演；表现 ）
assist（v.帮助 ）→ assistance（n.帮助；援助 ）
2. -(t)ion
规则：一般加在动词后，构成名词表示动作、过程或结果。
educate（v.教育 ）→ education（n.教育 ）
decide（v.决定 ）→decision（n.决定 ）
admit（v.承认；准许进入 ）→admission（n.承认；准许进入 ）
3. -ness
规则：加在形容词后面 ，构成抽象名词用来表示形容词所描述的性质、状态。
happy（adj.幸福的；快乐的 ）→ happiness（n.幸福；快乐 ）
kind（adj.善良的 ）→ kindness（n.善良 ）
4. -ity
规则：常加在形容词后（部分词需对词尾做适当变化 ，如去掉不发音 -e 等 ），构成名词表达与原形容词相关的性质、状态或情况。
active（adj.积极的 ）→activity（n.活动；活跃 ）
possible（adj.可能的 ） →possibility（n.可能性 ）
1.act _____________ 2.good _____________
3.kind _____________ 4.appear _____________
5.real _____________ 6.imagine _____________
7.connect _____________ 8.popular _____________
9.communicate _____________ 10.importance _____________
action
goodness
kindness
appearance
reality
imagination
connection
popularity
communication
importance
2b. Add the endings -ance, -(t) ion, -ness, and -ity to form nouns. Use your dictionary.
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
appeared
store
weighs
imagine
plete the passage with the correct forms of the words in the box.
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.
however important land planet protect
planet
protect
However
importance
land
What’s the text mainly about
Blue whale facts Weight
Where they live
Food
How long they live
Importance in nature
as much as 200 tons
all oceans except the Arctic Ocean
tiniest ocean animals
up to 90 years
food for other animals, create a lively and healthy ecosystem
2
3a. Read the text and complete the table.
1.Why are blue whales endangered
2.How to protect blue whales
1.) The temperature in ocean is becoming higher and higher.
2.)There is more pollution in ocean.
3.)Humans kill blue whales to get the fat under their skin.
1.)Ask the government to make laws to stop killing.
2.)Students can make some posters to tell the public the importance of blue whales.
Language Points!
Blue whales live in all oceans except the Arctic Ocean.
除北冰洋外，蓝鲸生活在所有大洋之中。
【辨析“除了”except, besides, but】
①except 除…之外；除了， 不包括在整体之内，常与all, everything, everybody, always等词连用。
eg：They were all there except me.除了我以外他们都在那里。
②besides意为“除……之外，还有……”，包括在整体之内，besides后的词是增加的部分。
eg：Besides, I have something important to tell you.
此外，我有重要的事情要告诉你。
③but意为“除了……之外，什么也没有”，but后的词是仅有或存在的内容，通常与nothing, nobody, no等表示否定含义的词连用。
eg：No one but me passed the exam yesterday.
昨天除了我以外没别人考及格。
【对点训练】
1.(2023·常州)My father goes back to Nanjing for the Spring Festival every year ________ last year because he was busy with his work in Changzhou.
A．including B．since C．except D．till
2．(2023·黑龙江)Everyone except Mike ____(be) going to play basketball because he doesn't like it.
3.（2024·眉山）Everyone is here e Alan, because he is still ill in hospital.
C
is
xcept
2.This food lasts for over a year and it helps to create a lively and healthy ecosystem.
这些食物可持续供应一年多，有助于构建一个生机勃勃且健康的生态系统。
lively adj.精力充沛的；生机勃勃的
【辨析alive, living, lively与live】
考点 词性及意义 修饰对象 成分
alive
living
lively
live
adj. 活着；有生命的
既可指人，也可指物
作表语或后置定语
adj. 活着的；有生命的；健在的
指人或物
作定语
adj. 活泼的；充满生气的；生动的
既可指人，也可指物
作定语、表语或宾补
adj. & adv.
现场的；现场地
多指物
作定语或状语
eg：He was the only man alive in the accident.
他是那场事故中唯一活着的人。
eg：All living things need water and air.
所有生物都需要水和空气。
eg：She is a lively girl and everyone likes her.
她是个活泼的女孩，每个人都喜欢她。
eg：They watched a live football match.
他们观看了一场现场直播的足球比赛。
【对点训练】
用alive, living, lively和live 填空。
(1)He told a _________ story about his life in Africa.
(2)The wilderness is a __________ museum of natural history.
(3)He is the only man _________ in the accident.
(4)(2024·无锡) The 2024 Wuxi Marathon was covered on TV.
(5)Though she is disabled, the girl teaches children drawing for a(n) . She always brings animals on the paper.
lively
living
alive
live
lively
living
alive
Language Points!
1. Blue whales play an important role in our world, so we must protect them.蓝鲸在我们的世界中发挥着重要作用，所以我们必须保护它们。
role n.角色；作用；职责；任务
【常用短语】
play a role (in) 在...中发挥作用；扮演角色，相当于____________
eg：Trees play an important role in maintaining ecological balance.
树木在维护生态平衡方面起着重要的作用。
play a part (in)
【对点训练】
1.Each of us should play a role ________ making our school beautiful.
A．on B．in C．at D．of
2.（2023·宜昌）对于许多人来说，博物馆在我们生活中一直发挥着重要的作用。
For many of us, museums __________________________ in our lives all the time.
B
play an important role/part
writing
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 ___________________________________________
the largest
and heaviest animal on earth and can weigh as much as 200 tons.
love swimming, and many people like watching me swim.
They think it's one of the most beautiful things to see.
all oceans except the Arctic Ocean.
around four tons of them a day.
Exercise
一、完成句子
1.他一直努力达到父母的期望。
He is always trying his best to _____ ____ _____ his parents' expectations(期盼).
2. 二十四节气在中国文化中起重要作用。
The 24 solar terms _____ ____ _________ _________ _____ Chinese culture.
3.假如鸟吃了有病的或死的鱼，它们可能会相继死去。
If the birds eat the sick or dead fish, they may ________ ________.
live up to
play an important part/role in
die off
Exercise
4.这个有趣的部分才持续了半个小时。时间真短啊!
This interesting part only ________ ________ half an hour. ________ ________ it was!
5.有了灯泡，人们可以在夜里做和白天一样多的事情。
With light bulbs, people can do _____ ______ ______ in the evenings ________ they can in the daytime.
lasted for
How short
as many things
as
I am a blue whale. I am the largest and 1. _______ (heavy) animal on earth. I can weigh as 2. _______ (much) as 200 tons. Many people like watching me 3. _______ (swim), and they think I am one of the 4. _____________ (beautiful) things to see. I live in all oceans except the Arctic Ocean. I eat a lot, but I eat some of the 5. _______ (tiny) animals in the ocean. I can eat around four tons of these a day. I can live up 6. _____ 90 years. When I 7. _______ (die) at sea, I become food for many kinds of animals 8. ______ (live) in and around the sea. This food lasts for over a year and it helps create a lively and 9. ______ (health) ecosystem. I play 10. _____ important role in your world, so you must protect me.
heaviest
much
swim
most beautiful
tiniest
to
dies
living
healthy
an
Homework
必做：Complete a short self-introduction passage from the perspective of Billy the Blue Whale based on the writing framework provided in class. The passage should include the characteristics of blue whales (such as weight, habitat, food, lifespan, etc.) and their role in the ecosystem.
选做：
Do some research on other endangered marine animals and write a short report about their living situations and the importance of protecting them.

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