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(共27張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:從語義范疇、詞性、表達的情感或特質(zhì)類型等方面，對詞匯進行區(qū)分以找出異類。
The rules for forming nouns with the suffixes -ance, -(t)ion, -ness, -ity
1. -ance
規(guī)則：通常加在動詞后面 ，構(gòu)成抽象名詞表示行為、狀態(tài)、性質(zhì)等 。
perform（v.表演；執(zhí)行 ）→ performance（n.表演；表現(xiàn) ）
assist（v.幫助 ）→ assistance（n.幫助；援助 ）
2. -(t)ion
規(guī)則：一般加在動詞后，構(gòu)成名詞表示動作、過程或結(jié)果。
educate（v.教育 ）→ education（n.教育 ）
decide（v.決定 ）→decision（n.決定 ）
admit（v.承認(rèn)；準(zhǔn)許進入 ）→admission（n.承認(rèn)；準(zhǔn)許進入 ）
3. -ness
規(guī)則：加在形容詞后面 ，構(gòu)成抽象名詞用來表示形容詞所描述的性質(zhì)、狀態(tài)。
happy（adj.幸福的；快樂的 ）→ happiness（n.幸福；快樂 ）
kind（adj.善良的 ）→ kindness（n.善良 ）
4. -ity
規(guī)則：常加在形容詞后（部分詞需對詞尾做適當(dāng)變化 ，如去掉不發(fā)音 -e 等 ），構(gòu)成名詞表達與原形容詞相關(guān)的性質(zhì)、狀態(tài)或情況。
active（adj.積極的 ）→activity（n.活動；活躍 ）
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，藍鯨生活在所有大洋之中。
【辨析“除了”except, besides, but】
①except 除…之外；除了， 不包括在整體之內(nèi)，常與all, everything, everybody, always等詞連用。
eg：They were all there except me.除了我以外他們都在那里。
②besides意為“除……之外，還有……”，包括在整體之內(nèi)，besides后的詞是增加的部分。
eg：Besides, I have something important to tell you.
此外，我有重要的事情要告訴你。
③but意為“除了……之外，什么也沒有”，but后的詞是僅有或存在的內(nèi)容，通常與nothing, nobody, no等表示否定含義的詞連用。
eg：No one but me passed the exam yesterday.
昨天除了我以外沒別人考及格。
【對點訓(xùn)練】
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·黑龍江)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.
這些食物可持續(xù)供應(yīng)一年多，有助于構(gòu)建一個生機勃勃且健康的生態(tài)系統(tǒng)。
lively adj.精力充沛的；生機勃勃的
【辨析alive, living, lively與live】
考點 詞性及意義 修飾對象 成分
alive
living
lively
live
adj. 活著；有生命的
既可指人，也可指物
作表語或后置定語
adj. 活著的；有生命的；健在的
指人或物
作定語
adj. 活潑的；充滿生氣的；生動的
既可指人，也可指物
作定語、表語或賓補
adj. & adv.
現(xiàn)場的；現(xiàn)場地
多指物
作定語或狀語
eg：He was the only man alive in the accident.
他是那場事故中唯一活著的人。
eg：All living things need water and air.
所有生物都需要水和空氣。
eg：She is a lively girl and everyone likes her.
她是個活潑的女孩，每個人都喜歡她。
eg：They watched a live football match.
他們觀看了一場現(xiàn)場直播的足球比賽。
【對點訓(xùn)練】
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·無錫) 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.藍鯨在我們的世界中發(fā)揮著重要作用，所以我們必須保護它們。
role n.角色；作用；職責(zé)；任務(wù)
【常用短語】
play a role (in) 在...中發(fā)揮作用；扮演角色，相當(dāng)于____________
eg：Trees play an important role in maintaining ecological balance.
樹木在維護生態(tài)平衡方面起著重要的作用。
play a part (in)
【對點訓(xùn)練】
1.Each of us should play a role ________ making our school beautiful.
A．on B．in C．a(chǎn)t D．of
2.（2023·宜昌）對于許多人來說，博物館在我們生活中一直發(fā)揮著重要的作用。
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.他一直努力達到父母的期望。
He is always trying his best to _____ ____ _____ his parents' expectations(期盼).
2. 二十四節(jié)氣在中國文化中起重要作用。
The 24 solar terms _____ ____ _________ _________ _____ Chinese culture.
3.假如鳥吃了有病的或死的魚，它們可能會相繼死去。
If the birds eat the sick or dead fish, they may ________ ________.
live up to
play an important part/role in
die off
Exercise
4.這個有趣的部分才持續(xù)了半個小時。時間真短啊!
This interesting part only ________ ________ half an hour. ________ ________ it was!
5.有了燈泡，人們可以在夜里做和白天一樣多的事情。
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.
選做：
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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