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Unit 4 Amazing Plants and Animals Section B (2a—2d) 詞匯課件(26張PPT)

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Unit 4 Amazing Plants and Animals Section B (2a—2d) 詞匯課件(26張PPT)

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(共26張PPT)
Unit 4
Amazing Plants and Animals
人教版2024版八年級上冊
Section B (2a—2d) 詞匯課
Learning Objectives
1. 學生能通過圈出不同類單詞并闡述理由,準確理解情感相關詞匯及動詞的語義差異;結合2b詞形轉換練習,明晰“-ance”“-(t)ion”等后綴構成名詞的規則。
01
2. 學生能依據句子語境和語義邏輯,正確運用詞的適當形式完成2c填空練習,在小組交流中,能用“根據……語境,所以選擇……詞匯的某種形式”闡述選擇依據,提升詞匯形態辨析與語境適配能力。。
02
3. 學生能借鑒2d語篇的邏輯結構,運用目標詞匯完成一段關于“生態中某類生物作用”的短文,實現詞匯從輸入到輸出的轉化,提升主題表達與語篇構建能力。
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按要求寫出正確的單詞、詞組或句子。
沒有 (介詞) __________ 2. 想象 (動詞) ___________
3. 蜂蜜(名詞) __________ 4. 沮喪的(形容詞) __________
5. 行動(名詞) __________ 6. 百分之(名詞) __________
7. 為了(短語)__________ 8. 儲存(動詞)________
9. 動植物如何和我們聯系到一起。
___________________________
10. 為了存貯蜂蜜,它們創建了蜂巢。
_______________________
11. 蜜蜂在我們星球的生態系統中扮演重要角色。
___________________
without
imagine
honey
disappointed
action
percent
in order to
store
How are plants and animals connected with us
Bees play an important part in the ecosystem of our planet.
In order to store honey, they create honeycombs.
回顧復習 Section B (1a—1f)
Circle the odd ones. Then give your reasons.
2a
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
happiness/ h pin s/
n. 幸福;快樂
disappoint / d s p nt/
v. 使失望;使破滅
3. angry disappointed smart sad
2. joy happiness fun enjoy
1. habit height size weight
height(身高;高度 )、size(大?。怀叽?)、
weight(重量 )都用于描 述事物的 “物理量化屬性”。
它是動詞,其他三個是名詞表示積極情緒:“joy”
(歡樂 )、“happiness”(幸福 )、“fun”(樂趣 )
smart說的是個人聰明特質,其他三個是負面情緒形容詞:angry”(生氣的 )、“disappointed”(失望的 )、“sad”(難過的 )
5. honey milk juice bread
4. appear look seem watch
watch是實際的觀看動作,其他三個是表達表象 / 印象的: appear”(似乎)、“look”(看起來 )、“seem”(好像;仿佛 )
bread”(面包 )是 “固體食物” ,和前三個是液體飲品類
Add the endings -ance, -(t) ion, -ness, and -ity to form nouns.
Use your dictionary. 給以下詞匯添加后綴,使之變成名詞。
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
-ance 結尾(多表 “行為、狀態” )
-(t) ion 結尾(多表 “動作、結果” ,動詞變名詞常用 )
-ness 結尾(形容詞 + ness 變 “狀態、性質” ,超規律 )
-ity 結尾(形容詞 + ity 變 “性質、狀態” ,稍正式但基礎 )
2b
單詞構成
disagreement
名詞類后綴
Life was like a box of chocolates, you never know what you’re go to get.
一、注意:-ation或者-tion,-sion是名詞后綴。所以一個單詞去掉末尾的元音字母加上-ation 或者-tion ,可以變成它的名詞形式。
1.invite v.邀請
invitation n.邀請
2.celebrate v.慶祝
celebration n.【可數】慶祝,慶祝會
3.decorate v.裝飾
decoration n.【可數】裝飾,裝修
4. congratulate v.祝賀
congratulation n.祝賀
5.pollute v.污染
pollution n.污染
6.attract v.吸引
attractive adj.吸引人的,迷人的
attraction n.吸引,吸引力,吸引人的事物
7.suggest v.建議
suggestion n[C]建議
8. discuss v.討論
discussion n.討論
9.express v.表達,表示,表露
expression n.【可數】表達,表示,表現
10.decide v.決定
decision n.[可數]決定
二、注意:-ment是名詞后綴。所以一個單詞加上-ment,可以變成它的名詞形式。
disappoint v.使失望 disappointment n.失望,沮喪
三、-ness名詞后綴。
careless adj.粗心的
carelessness n.粗心
happy
happiness n.幸福
四、許多形容詞詞尾的t變成ce就成為它的名詞形式。如different,difference;patient,patience;confident,confidence等。
silent adj.不說話的,沉默的
silence n.沉默
confident adj.自信的
confidence n.自信
還有一些結尾ce,名詞的詞。
choose v.選擇
choice n.【C】選擇
五、-ing動名詞
當然-ing它可以表示名詞。
1. say v.講,說明
saying n.[C]俗話,諺語
2. dress v.穿衣 n.連衣裙,女裝
dressing n.穿戴,穿衣
六、國家變名詞:
一些國家詞尾變成an或者ian,就變成它對應的名詞形式。如 Australia Australian,America American。
1. Italy n.意大利
Italian adj.意大利(人)的,意大利語的 n.意大利人,意大利語
2. Africa n.非洲
African adj.非洲的,非洲人的 n.非洲人
3. Russia n.俄國
Russian adj.俄國(人)的,俄語的 n.俄國人,俄語
4.Canada n.加拿大
Canadian adj.加拿大的,加拿大人的 n.加拿大人
七、一些動詞,或者名詞+er或者or變成對應的人或者物。
1.cook v.烹飪,做飯 n.[C]廚師
cooker n.炊具
2.win v.贏得,獲勝
winner n.獲勝者
3. own adj.自己的,本人的v.有,擁有
owner n.主人
4. office n.辦公室
officer n.警官,軍官
八、一些形容詞詞尾變成-ty即成為名詞。
1.difficult adj.困難的
difficulty n.[U]困難 n.[C]各種困難
2.safe adj.安全的 n.保險箱
safety n.安全
九、-al做名詞后綴。
office n.辦公室
official n.官員,高級職員 adj.官方的,正式的
十、-ance作名詞后綴
appear v. 出現
appearance n. 出現
Complete the sentences with the correct forms of the words in the box.
2c
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.
appear disappoint imagine store weigh
disappointed
appear
store
weighs
imagine
/ m r m /
n. 蘑菇;傘菌
ton /t n/ n. 噸
The smallest ones are as tiny as a pea, and some big ones can be as large as your hand!
They can jump in the field.
They live in water or on land.
Guess what animal is it
pea /pi / n. 豌豆
It’s a frog.
What do you know about the connection between humans and frogs
Complete the passage with the correct forms of the words in the box.
2d
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's
protect
However
importance
land
/r l/ n. 作用;職能;角色
play a role (in)
在……中發揮作用;
扮演角色
pea /pi / n. 豌豆
/ kla m t/ n. 氣候
What can frogs do for nature
Frogs help to protect farms by eating insects.
Frogs can help in studies on climate change and the ecosystem.
Frogs play an important role in the planet's ecosystem.
qq
自我檢測
按要求寫出正確的單詞、詞組或句子。
幸福 (名詞) __________ 2. 失望的 (形容詞) ___________
3. 蘑菇(名詞) __________ 4. 噸(名詞) __________
5. 扮演角色(短語) __________ 6. 豆子(名詞) __________
7. 出現(名詞)__________ 8. 行李(名詞)________
9. 當我最喜歡的花死了的時候,我感到失望。
___________________________
10. 雨后,一些蘑菇在花園中出現。
_______________________
11. 我無法想象沒有我的寵物的生活。
___________________
happiness
disappointed
mushroom
ton
play a role in
pea
appearance
luggage
I felt disappointed when my favourite flowers died.
I can’t imagine my life without my pets.
After the rain, some mushrooms appeared in the garden.
習題訓練
(一)根據語境用所給單詞的適當形式填空
1. Sarah made her final __________ (appear) on a chat show on TV on 6 July, 2025.
2. It is exciting to attend the ________ (open) of the new library in our school.
3. The film Coco helps ________ (view) understand the importance of family and dreams.
appearance
opening
viewers
(二)仿寫句子
1. After the show, many viewers searched online to learn about these skills. (動詞不定式短語作目的狀語 )
仿寫: 我們必須做一些事情來拯救處于危險中的野生動物。
_____________________________________________
We must do something to save the wild animals in danger.
2. Li Ziqi proved that old traditions can live in modern times. (that 引導賓語從句 )
仿寫: 大多數人認為對于學生來說,在學校學習一些生活技能是必要的。
____________________________________________________________________________
Most people think that it’s necessary for students to learn some life skills at school.

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