资源简介

(共24张PPT)
Unit 4 Amazing Plants and Animals
Section B 2a-2d
Vocabulary in use
学习目标
通过本节课学习，学生能够：
识别并理解词汇的基本含义、词性及构词规律，掌握名词后缀的基本用法。（学习理解）
能够正确运用词汇的适当形式完成句子和语篇填空，理解词汇在语境中的具体含义。（应用实践）
能够在真实情境中创造性使用所学词汇表达个人情感、描述事物，并初步理解词汇在生态语境中的引申意义。（迁移创新）
Let’s think
What do the words in the same group have in common
habit height size weight
joy happiness fun enjoy
angry disappointed smart sad
appear look seem watch
honey milk juice bread
nouns
positive feelings
adjectives
verbs
nouns
tip: 可考虑词性
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
“Look at these groups of words. For each group, there’s one word that doesn’t belong with the others. We need to circle it and explain why. Let’s start together!
Presentation
2a Circle the odd ones. Then give your reasons.
habit height size weight
joy happiness fun enjoy
angry disappointed smart sad
appear look seem watch
honey milk juice bread
semantic category
part-of-speech
semantic category
grammatical function
substance category
2b Add the endings -ance, -(t)ion, -ness, and -ity to form nouns. Use your dictionary.
词缀affix
前缀prefix
后缀suffix
To change the meaning or the part- of - speech
Add the endings -ance, -(t) ion, -ness, and -ity to form nouns. Use your dictionary
2b
1. act
3. kind
5. real
7. connect
9. communicate
2. good
4. appear
6. imagine
8. popular
10. important
____________
____________
____________
____________
____________
____________
____________
____________
____________
____________
action
goodness
kindness
appearance
reality
imagination
connection
popularity
communication
importance
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 ）
The rules for forming nouns with the suffixes -ance, -(t)ion, -ness, -ity:
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 ）
后缀常常会改变单词的词性，一般不改变词义。
原单词 原单词 派生名词 派生名词
act v. 行动；表演 action n. 行动；行为
good adj. 好的；优良的 goodness n. 善良；美德
kind adj. 和蔼的；宽容的 kindness n. 仁慈；好意
appear v. 出现；显得 appearance n. 外貌；出现
real adj. 真实的；实际的 reality n. 现实；实际情况
imagine v. 想象；设想 imagination n. 想象力；想象
connect v. 连接；联合 connection n. 联系；关联；连接
popular adj. 流行的；受欢迎的 popularity n. 普及；流行
communicate v. 交流；沟通 communication n. 交流；沟通
important adj. 重要的；重大的 importance n. 重要性
Words in use
appear
disappoint
imagine
store
weigh
verb
appearance
disappointment
imagination
storage
weight
noun
disappointed/ing
imaginative
adjective
How can we change these words
重要知识点补充
important → importance
1
以-ant结尾的形容词，其名词形式往往是-ance结尾。即是说将-t变为-ce。
如：distant adj.遥远的 → distance n.距离
2
be + adj. = be of + n.（该形容词同源的名词）
练习（改写句子）：It is helpful to get up early and read English.
__________________________________________
It is of help to get up early and read English.
基础版：Learning English is important.
进阶版：Learning English is of importance.
act：Bees’ ______ of pollinating flowers helps plants grow.
good：The ______ of protecting bees makes nature better.
kind：______ to small animals like bees is important.
appear：The ___________ of many birds in the forest is lovely.
real：The ___________ is that bees are key to our ecosystem.
imagine：Children’s ___________ about bee worlds is fun.
connect：The ___________ between bees and flowers is vital.
popular：The ____________ of bee - friendly flowers is growing.
communicate：Bees’ _____________ through dances is amazing.
important：The _____________ of bees to nature can’t be ignored.
action
goodness
kindness
appearance
reality
imagination
connection
popularity
communication
importance
Let’s practice
Complete the sentences with the correct forms of the words in the box.
2c
mushroom
/ m r m/
bamboo basket
luggage
/ l ɡ d /
pet
/pet/
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；伞菌
ton /t n/ n. 吨
feel感官动词后＋形容词
句中缺乏谓语动词
use... to do...固定用法，用...来做...
句中缺少谓语动词
can情态动词＋动词原形
mean a lot to sb.
对某人来说意义非凡/重大
重要知识点补充
主语（A） + weigh more than + 对比对象（B）
“A 的分量比 B 更重”，引申为 “A 比 B 更重要”
For students, studying hard weighs more than just getting good grades.
对学生来说，努力学习比只取得好成绩更重要。
In a friendship, ____________________________.
在友谊中，信任比礼物更重要。
2. When making a decision, your own ______________________
________________ sometimes.
做决定时，有时你自己的感受比别人的意见更重要。
trust weighs more than gifts
feelings weigh more than
others’ opinions
Language points
1. At this moment you realize people, plants and animals are all connected. 这时你就会意识到，人类、植物和动物都是相联系的。
connected〔形容词〕连接的；相关的
be connected with/to...与……相连；与……有关联
Your dreams are connected with your hard work.你的梦想和你的努力息息相关。
connect〔及物动词〕关联；连接
connect...with/to.... 把……和……连接/联系起来
We connect the computer to the printer.我们把电脑和打印机连接起来。
People connect bees with pollination.人们把蜜蜂和授粉联系在一起。
Language points
2. In order to store honey, they create honey combs.为了储存蜂蜜，它们建造蜂巢。
in order to 为了；以便
表示目的，相当于so as to。后面接动词原形，可放在句首，也可放在句中；而so as to 只能放在句中。
In order to get good grades, he reads English every morning.为了取得好成绩，他每天早上读英语。
in order to do... 的否定结构为 in order not to do...
I save money in order to protect more wild animals.我存钱目的是保护更多野生动物。
She gets up early in order not to be late for school.她早起，是为了上学不迟到。
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
在...中扮演一个重要的角色
...的尺寸
然而...表“对比”
by...借助...方式 ，方式状语
名词前面需要形容词修饰
help to do...帮助做...
联系上下文，确定转折关系
形容词性物主代词＋ 名词
固定短语 ，居住在...
Our planet’s ecosystem is a delicate web. __________ (act) matters—turn good wishes into ___________(good). Small ___________ (kind), like planting trees, helps.
________________ (appear) might look fine, but ____________ (real) has hidden problems. Use _____________ (imagine) for a better future.
All life is in ______________ (connect). Humans must communicate to protect nature.
Environmental protection gains ______________ (popular), and we know its _______________ (important). Let protecting nature weigh more than short - term convenience.
It means a lot to us. Every action and kindness can build a _____________(healthy) planet.
Protecting Our Ecosystem
Action
goodness
kindness
Appearance
reality
imagination
connection
popularity
importance
healthier
Summary
New words
Sentences
connected; pollination; planet; communicate; store; ecosystem…
Bees play an important part in the ecosystem of our planet.
However, the number of bees is dropping, and scientists are worried.
Bees are also one of the most interesting animals in the world.
一、 用括号内所给词的适当形式填空。
1. In this speech, our teacher told us the __________________ (important) of good teamwork.
2. You must remember, “Money can buy many things, but it can never buy ______________ (happy).”
3. Mr Wu always has a good and special teaching way to make his class ________ (live) and interesting.
4. There used to be a close __________ (connect) between black tea and chatting in the yard in my grandparents’ life.
importance
happiness
lively
connection
二、用所给单词的适当形式填空
1. The _____________ (appear) of the sun from behind the clouds made us happy.
2. We should show ____________ (kind) to the poor.
3. It's ___________ (importance) for us to learn a foreign language well.
4. The two cities are __________ (connect) by a railway.
appearance
kindness
important
connected
SEE YOU NEXT CLASS!

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