资源简介

(共16张PPT)
Speaking
Key question
Why do we need trees
Unit 3 Trees and us
主题范畴：人与自然
Why are trees important to us
Importance of trees
a save place for us to live
take in greenhouse gases
produce oxygen
make our lives more convenient
provides fruit and drinks
...
What do people do to trees
How can we save trees
product
side
borrow
call on
n. 产品；制品
n. 一面
v. 借；借用
号召；动员；要求
New words and phrases
Talking about ways of saving trees
Trees are important to us. Talk in groups about how we can save trees. Look at the example and use the list below to help you.
What we can do to save trees:
· Tell others why trees are important.
· Call on people to stop cutting down trees.
· Reuse paper.
· Buy forest-friendly products.
· Plant trees. ...
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. ...
重点词汇和核心句式
ways of doing sth.
做某事的方法
call on sb. to do sth.
呼吁某人做某事
cut down
砍倒
reuse
再次利用；重复利用
print on both sides
双面打印
Listen and repeat.Payattentionto the
Listen and repeat. Pay attention to the letters in blue.
/ bl /
/ br /
/ fl /
/ gl /
/ fr /
/ gr /
black trouble
butterfly flower
glass glue
branch breathe
fresh fruit
grade grow
/ kl /
/ kr /
clean clever
across crazy
(1) Trees create cleaner air for us to breathe.
(2) Butterflies are glad to see the flowers in bloom.
(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.
Practise
(1) blue blind blow brother bright bring
(2) flight floor fly France free friend
(3) glad glove global great green grass
(4) class club clothes create cross cry
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