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(共19張PPT)
Unit 3 Trees and us
主題范疇：
人與自然
主題群：
環境保護
子主題：
熱愛與敬畏自然，與自然和諧共生
Key question
Why do we need trees
understand what trees do for us.
identify amazing facts about trees.
describe what we can do to help protects trees.
explain the relationship between trees and humans.
Unit objectives 單元目標
I can:
Lead in
Trees are important to us. How can we save trees
Talk in groups about how we can save trees. Look at the example and use the list below to help you.
Speaking
Talking about ways of saving trees
重點詞匯和核心句式
① ways of doing sth.
做某事的方法
② call on sb. to do sth.
呼吁某人做某事
③ cut down 砍倒
④ reuse v. 再次使用；重復使用(re-表示“再；又”)
⑥ print on both sides
雙面打印
We should find ways to use less paper. For example, we can reuse paper—we should write or print on both sides. Besides, we can borrow books from the library or share books with friends and classmates …
For example
Improve your pronounciation
Listen and repeat. Pay attention to the letters in blue.
/bl/ black trouble /br/ branch breathe
/fl/ butterfly flower /fr/ fresh fruit
/gl/ glass glue /gr/ grade grow
/kl/ clean clever /kr/ across crazy
(1) Trees create cleaner air for us to breathe.
(2) Butterflies are glad to see the flowers in bloom (鮮花盛開).
(3) Both Mr Black and Mr Brown grow fruit trees in their gardens.
(4) When eating the fruit, think of the person who grew it.
/bl/ black trouble /br/ branch breathe
Listen and repeat. Pay attention to the letters in blue.
Can you give more examples
Improve your pronounciation
字母組合bl常發/bl/
字母組合br常發/br/
Pay attention to these words with /bl/ and /br/. Read them aloud.
black blind
breakfast bright
blow blue
bring brother
The blind man is having breakfast.
My brother’s sweater is blue.
/fl/ butterfly flower /fr/ fresh fruit
Listen and repeat. Pay attention to the letters in blue.
Can you give more examples
Improve your pronounciation
字母組合fl常發/fl/
字母組合fr常發/fr/
Pay attention to these words with /fl/ and /fr/. Read them aloud.
flight floor
flower fly
France free
friend from
My friend is cleaning the floor.
Let’s fly to France.
/gl/ glass glue /gr/ grade grow
Listen and repeat. Pay attention to the letters in blue.
Can you give more examples
Improve your pronounciation
字母組合gl常發/gl/
字母組合gr常發/gr/
Pay attention to these words with /gl/ and /gr/. Read them aloud.
I’m glad to have these great friends.
My new gloves are green.
glad glass
grade great
glove glue
green grow
/kl/ clean clever /kr/ across crazy
Listen and repeat. Pay attention to the letters in blue.
Can you give more examples
Improve your pronounciation
字母組合cl常發/kl/
字母組合cr常發/kr/
Pay attention to these words with /kl/ and /kr/. Read them aloud.
class clean
crazy create
clever club
cross cry
Don’t cry like a baby in class.
They are crossing the clean street.
Listen carefully and circle the word you hear from each pair.
Read these sentences. Pay attention to the letters in bold.
1. My friend Brian brought his brother a pair of glasses and some crayons.
2. Claire is growing some nice blue flowers in her garden.
找出每組劃線部分發音與其他三項不同的一項。
( )1. A. glass B. grade C. green D. great
( )2. A. class B. clock C. cry D. clean
( )3. A. flow B. free C. flower D. fly
( )4. A. black B. blue C. brown D. blouse
( )5. A. bright B. brother C. bring D. blonde
D
A
C
B
C
Thank you!

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