(共18张PPT)
译林版英语三年级（下）
Unit 1 In class
Sound time & Rhyme time
Quick response
游戏规则：快速说出你看到的图片或者词汇。
parrot
open
rubber
sit down
Sound time
Presentation
Can you find any words with letter “b”
in this picture
book
big
boy
b
ball
birthday
book
robot
Listen and imitate
Big books, big books,
Bob has two big, big books.
b
Try to read
box
brother
bike
table
blue
black
bear
Read the following tongue twister:
A big black bug bit a big black bear and made the big black bear bleed blood.
字母b在单词中的发音
Language point
ball
birthday
book
robot
b
/b/
The baby boy is Bob.
The big boy is Ben.
Bob is from Boston.
Ben is from Britain.
词汇串烧
发音规则
/b/是浊辅音，发音时声带振动。双唇紧闭，然后突然放开，让气流从口腔冲出，爆破成音。
位于词尾且前面有m时，字母b不发音。
如：lamb /l m/ 羊羔
comb /k m/ 梳子
拓展延伸
Rhyme time
Open the window, open the door.
Open your book and say “Hello!”
Close the window, close the door.
Close your book and off we go!
Open the window
Listen and imitate
Open the window, open the door.
Open your book and say “Hello!”
Close the window, close the door.
Close your book and off we go!
Open the window
Can you make a new rhyme
Open the _______, open the _____.
Open your ______ and say “Hello!”
Close the _______, close the _____.
Close your ______ and off we go!
Practice
一、读韵句，圈出含有字母b且其发音为/b/的单词。
What’s in the bag
A box is in the bag.
What’s in the box
A ball is in the box.
二、判断画线字母的读音是（T）否（F）相同。
( ) 1. Bill and Jack have a brother.
( ) 2. Happy birthday, Ben.
( ) 3. This is my ball. It’s big.
( ) 4. Mary has a little lamb. It’s white
and black.
T
T
T
F
sound
Summary
字母b在单词中的发音
01
查找关于字母b的其他发音规律。
02
Homework
完成作业课件中的相关练习。
