仁爱科普版七年级上册 Unit1 Topic 3 How old are you？ Section B 课件(共14张PPT)

(共14张PPT)
Topic 3
How old are you
Section B
Unit 1
pen
pencil
map
a
a
a
What’s this in English
It’s …
apple
eraser
desk
an
an
a
What’s this in English
It’s …
Section
B
1a
Look, listen and say
It’s a map.
Excuse me, what’s this in English
What’s that in English, Maria
It’s an eraser.
1b Complete the conversations and then
practice with your partner.
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
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.
that
an
Can you spell it
Thanks
a, an和the称为冠词，a和an是不定冠词，the是定冠词。a和an 都可以表示“一(个、支、张、块……)”的意思。它们在用法上有什么区别呢？
apple
ruler
desk
a
a
an
a box
a pencil
a book
an orange
an eraser
an egg
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
元音 [i:] [i] [ ] [ ] [ :] [ ] [u:] [u] [a:] [ ] [e] [Λ]
[ai] [ei] [ i] [i ] [e [ ] [u ] [au]
辅音 [p] [t] [k] [f] [s] [θ] [b] [d] [g] [v] [z] [ ]
[∫] [t∫] [tr] [ts] [3] [d3] [dr] [dz] [h]
[m] [n] [η] [r] [l] [w]
音素是最小的语音单位。英语中共有48个音素，其中元音20个，辅音28个
II. 请选用a / an完成下列句子。
1. She is ___ English girl.
2. It is __ apple. It’s __ good apple.
3. It’s __ “m”, not __ “u”.
4. That is__ car. It’s __ old car.
5. This is my mom. She is __ teacher.
an
an
a
an
a
a
an
a
New words: eraser, pen, pencil, map, desk, apple, a/an, spell, can, etc.
Patterns :
What’s this / that in English
It’s a / an …
How do you spell it
Can you spell it
Yes, I can./ No, I can’t.
Sum up
Thank you!