







初中英语人教版(2024)八年级上册(2024)Unit 4 Amazing Plants and Animals Section B Vocabulary in Use教学课件ppt
展开 这是一份初中英语人教版(2024)八年级上册(2024)Unit 4 Amazing Plants and Animals Section B Vocabulary in Use教学课件ppt,共23页。
Learning Objectives
In this lessn, yu will:
【学习理解】1.Analyze wrd differences frm part f speech, meaning, usage and emtin; nun suffix rules.【应用实践】Apply -ance, -tin, -ness, -ity t frm nuns and use crrect vcabulary frms in cntext.【迁移创新】Use target vcabulary accurately in new cntexts t express ideas abut plants and animals.
What can yu remember abut the measurements in the vide?
1. habit height size weight2. jy happiness fun enjy3. angry disappinted smart sad4. appear lk seem watch5. hney milk juice bread
Circle the dd nes. Then give yur reasns.
词性不同,其他均为名词
其他均为描述物体外在属性的名词
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。
presentatin
The rules fr frming nuns with the suffixes -ance, -(t)in, -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 。 perfrm(v.表演;执行 )→ perfrmance(n.表演;表现 )assist(v.帮助 )→ assistance(n.帮助;援助 )
2. -(t)in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 )→ educatin(n.教育 )decide(v.决定 )→decisin(n.决定 )admit(v.承认;准许进入 )→admissin(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 ) pssible(adj.可能的 ) →pssibility(n.可能性 )
Add the endings -ance, -(t) in, -ness, and -ity t frm nuns. Use yur dictinary.
1. act _____________3. kind _____________5. real _____________7. cnnect _____________9. cmmunicate ____________
2. gd _____________4. appear _____________6. imagine _____________8. ppular _____________10. imprtant _____________
cmmunicatin
Cmplete the sentences with the crrect frms f the wrds in the bx.
appear disappint imagine stre weigh
1.I felt____________when my favurite flwers the rain, sme mushrms __________in the my hmetwn, peple ften use bamb baskets t did yu put in yur luggage? It __________a tn.5.I can't __________my life withut my pets. They mean a lt t me.
disappinted
Yu may nt realize it, but frgs play an imprtant rle in ur ____________ ecsystem. The smallest frgs are abut the size f a pea, while larger nes can grw as big as a human hand. Many peple knw that frgs help t ____________ farms by eating insects. ____________, nt everyne understands their ____________ in nature. Frgs can live n ____________ and in water. Because f this, they are ppular subjects in studies n climate change and the ecsystem.
/rəʊl/ n. 作用;职能;角色
play a rle (in)在……中发挥作用;扮演角色
pea /piː/ n. 豌豆
/ˈklaɪmət/ n. 气候
Cmplete the passage with the crrect frms f the wrds in the bx.
Why shuld we d mre exercises?Because ding mre exercises helps us better understand and master knwledge.
Why are plants and animals imprtant t us?Because they prvide fd, xygen and materials fr ur daily life, and als help keep the balance f nature. We shuld prtect them!
1. happiness 幸福 (教材第 38 页,2a)
happiness /′hæpinəs/ [名词] 幸福;快乐
Mney can′t buy yu happiness. 金钱不能为你买到幸福。
happiness 是形容词 happy (快乐的,幸福的) 的名词形式。
Language Pints
[拓展] unhappy 是 happy 的反义词,意为“不快乐的;不幸福的”。
He was a shy,smetimes unhappy man. 他是一个害羞的、有时不快乐的人。
2. disappint 使失望 (教材第 38 页,2c)
disappint /͵dɪsə′pɔɪnt/ [动词] 使失望;使破灭
disappint 相当于 let... dwn,后接表示人的名词或代词。
We will d ur best nt t disappint them. 我们会尽我们所能,不让他们失望。
[拓展] disappintment [名词] 令人失望的事;令人扫兴的人
t ne′s disappintment 使某人失望的是
T ur disappintment,he failed t keep his prmise.令我们失望的是,他没有恪守诺言。
3. They mean a lt t me. 它们对我来说意义重大。(教材第 38 页,2c)
mean [动词] 意味着
mean (ding) sth. 意味着 (做) 某事
Missing this train means waiting fr anther hur. 错过这趟火车意味着再等一个小时。
[拓展] ① mean 作动词还可意为“打算”。
mean t d sth. 打算做某事
I mean t stay here fr a lng time. 我打算在这里待很久。
4. Yu may nt realize it,but frgs play an imprtant rle in ur planet′s ecsystem.你可能没有意识到,青蛙在我们地球的生态系统中扮演着重要的角色。(教材第 38 页,2d)
play a rle (in) 在······中发挥作用;扮演角色
其中 rle 用作名词,意为“作用;职能;角色”in 后接名词、代词或动词 -ing 形式。
[拓展] play the rle f... 扮演······的角色
In this game yu will play the rle f a rabbit. 在这个游戏中你将扮演一只兔子。
1. ________ have a healthy bdy,he keeps exercising fr half an hur every day.A. Have t B. Lk frward tC. In rder t D. Next t
2. —What is yur uncle ding? —He is watching the children there ______ a plane with sme newspapers.A. making B. t makeC. made D. make
3. I lve game shws. I hpe ne day I can __________ ne f them,answer all the questins and win a big prize!A. play a part in B. play rle inC. jins in D. take a part in
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