生活象没有航标的河流.
Life is like a river without a navigation mark.
Air
Riddle
It is everywhere
It has no color, no smell and no taste.
We can't be alive without it.
语言要点:
用含有-wh 问句获取信息
Where does the air pollution come from
用形容词描写物品
The air in Garden City is very dirty.
用一般现在时谈论目前情况
It comes from smoke from traffi c.
How does a plane stay in the air
It rides on air.
How does a balloon rise in the air and lift people up
It uses hot air.
What do we need air to do
To breathe and to survive.
Keep alive
改句:(情态动词与祈使句)
1.Don't smoke when the fire danger is high. (mustn't)
We mustn't smoke when the fire danger is high.
2.No barbecues! (Don't)
Don't have barbecues.
3.It tastes delicious!
How does it taste
4.Village people cook with wood.
What do village people cook with
5. Millions of years ago, Stone Age people ate raw meat.
What did Stone Age people eat millions of years ago
smoke from traffic
smoke and dust from factories
smoke and dust from power stations
smoke from aeroplanes
dust from construction sites
Ask and answer
S1: The air in Garden City is very _________.
S2: That's air _______.
S1: Where does air pollution come from
S2: It comes from smoke from traffic.
It comes from ______ from______.
Pair work:
A: The air in….is very ….
B: That's air….
A: Where does air pollution come from
B: It comes from smoke from traffic.
It comes from…from…
What's wrong with Kitty (同意转换)
____________________ with kitty
2. The chicken smells nice.(就划线部分提问)
_____________________
3. You mustn't pack your school bag now.(同意转换)
___________ your school bag now.
4. I live in East point. (就划线提问)
________________________________
What's the matter
How does the chicken smell
Don't pack
Where do you live in