Unit1Topic 3 How old are you?SectionB课件(共25张PPT）

(共25张PPT)
Topic 3
How old are you
Section B
Unit 1 Making New Friends
A
B
C
D
thirteen
+3
nineteen
+1
家庭
-1
班级
-2
a [desk]
a [ pensl]
a [pen]
a [buk]
a [m p]
an [i reiz ]
New Words
[spel]
a [t i]
a [ ru l ]
an [eg]
a和an的区别
1. a 用在以辅音音素开头的单词前。
例如：a book， a desk
2. an 用在以元音音素开头的单词前。
例如：an egg， an apple
你知道吗？
a/an被称作不定冠词，用在单数可数名词前，表达某一个人或事物中的一个，相当于汉语的“一”， 但不强调数目概念。
a/an用法的区别：
apple
ruler
pencil
desk
a
a
a
an
eraser
an
start
start
+10
+3
+1
+2
+5
+3
+1
play a game
What’s this in English
It’s …
What’s that in English
It’s …
[keik]
[d u s]
Differences:this that
1.意思不同：this在中文中表示“这个”。
that在中文中表示“那个”。
2.距离不同：this距离近
that距离远。
1.意思不同：this在中文中表示“这个”。
that在中文中表示“那个”。
2.距离不同：this距离近
that距离远。
Section B
Look, listen and say.
Excuse me, what’s this in English
It’s an eraser.
（视频P19-1a）
map
desk
pen
pencil
eraser
Listen and complete the conversations.
A: Excuse me , what’s ____ in English
B: It’s _____ pencil.
A: How do you spell it
B: P-E-N-C-I-L, ______.
A: Thank you.
B: ______ ________.
a
pencil
You’re welcome
this
(录音P19-1b)
A: Excuse me, what’s ____ in English
B: It’s _____ apple.
A: ___ ____ ____ ____, please
B: Yes, A-P- P-L-E, apple.
A: _______.
B: That’s OK.
an
Can you spell it
Thanks
that
Listen and complete the conversation with the correct words. Then practice with your partner.
Is that a toy, too
An eraser Wow!
No, it’s an _______.
No, it isn’t. It’s a ____.
Is this a _________
（视频P20-2a）
telephone
toy
eraser
That is a toy. Is that a toy
你发现他们有什么规律了吗？
This is an eraser. Is this an eraser
be动词的位置发生了变化。
句型也由陈述句变成了一般疑问句。
A: Is this an eraser
B: Yes, _____.
A: Thank you.
A: Is that a pen
B: No, _______.
It is a pencil.
it is
it isn’t
A: Is that a desk
B: Yes, it is.
A: Is this an orange
B: No, it isn’t. It’s an apple.
A: Is he Tom Cruise
B:
A:
B: No, he isn’t. He is from
America.
Yes, he is.
Is he from England
A: What’s this in English
B: Is it a/an …
Sum up
Patterns :
What’s this/that in English
It’s a/an …
How do you spell it / Can you spell it
Is this/that a/an …
Yes, it is. / No, it isn’t.
2. New words: a/an, spell, can, please
（1）两本练习册SectionB.
（2）复习topic2单词以及重点句型。
Homework
Good-bye!