(共18张PPT)
Unit
7
Is
this
an
orange?
What
fruit
do
you
like?
你喜欢吃什么水果？
A
Let's
Listen
and
Say
B
Let's
Learn
What’s
this?
apple苹果
It’s
an
apple.
What’s
this?
banana香蕉
It’s
a
banana.
What’s
this?
pear梨子
It’s
a
pear.
What’s
this?
lemon柠檬
It’s
a
lemon.
What’s
this?
orange橘子
It’s
an
orange.
B
Let's
Learn
It's
a
banana.
这是根香蕉。
It's
an
apple.
这是个苹果。
a/an
表示数量“一”。放在可数名词前。
a
用在辅音音素开头的单词前。
an
用在元音音素开头的单词前。
a与an的用法差异
a与an很相像，两者用法不一样；
辅音单数a在前，元音单数an优先。
a
book一本书
a
pen一支钢笔
an
egg一个鸡蛋
an
apple一个苹果
Is
this
a/an...?这是……吗？
肯定回答：Yes,
it
is.是的，它是。
否定回答：No,
it
isn't.不，它不是。
—Is
this
a
pear?
—No,
it
isn't.
—Is
this
an
orange?
—Yes,
it
is.
C
Let's
Act
D
Let's
Read
E
Let's
Learn
to
Learn
F
Let's
Chant
G
Let's
Have
Fun
