WELCOM TO OUR CLASS
ENGLISH 9
GUESS NUMBER
UNIT 6:
THE ENVIRONMENT
SPEAK
I. Vocabulary
1. banana leaves (n):
lá chuối
2. wrap (v):
gói, bọc lại
3. dissolve (v):
phân hủy, hòa tan
4. trash = garbage (n):
rác
5. garbage bin (n):
thùng rác
6. exhaust fume (n):
khí thải
7. traffic jam (n):
tắc nghẽn giao thông
a) Try to persude your parner to do the following things to protect the enviroment. Use the expressions and the idea cues given
- Use banana leaves to wrap food. (plastic bags are very hard to dissolve/ save paper)
- Reuse and recycle bottles and cans. (reduce garbage/ save natural resources)
- Not throw trash onto the water. (keep the water clean/ polluted water can directly do harm to people`s health and kill fish)
- Go to school or go to work by bike. (save energy/ keep the air cleaner)
- Put garbage bins around the schoolyard. (prevent lazy students from throwing trash/ keep the schoolyard clean) 
- Use public buses instead of motorbikes. (avoid traffic jams/ reduce exhaust fume/ save energy) 
Example
I think it would be better if we use banana leaves instead of paper or plastic bags to wrap food.
B : Why ? how come ?
Because plastic bags are very hard to dissolve, they will cause pollution.And if we use less paper, we can save trees in the forests. That`s how we can save environment.
Grammar
I think you should………..
Won’t you……..?
It would be better if you…
Why don’t you…….?
Why not……..?
+
V- Infinitive
What/ how about +V_INF
- Use banana leaves to wrap food. (plastic bags are very hard to dissolve/ save paper)
- Reuse and recycle bottles and cans. (reduce garbage/ save natural resources)
- Not throw trash onto the water. (keep the water clean/ polluted water can directly do harm to people`s health and kill fish)
- Go to school or go to work by bike. (save energy/ keep the air cleaner)
- Put garbage bins around the schoolyard. (prevent lazy students from throwing trash/ keep the schoolyard clean) 
- Use public buses instead of motorbikes. (avoid traffic jams/ reduce exhaust fume/ save energy) 
b) Find possible answers to the questionnaire. You can use the idea in section a.
How can we save paper?
How can we use fever plastic bags?
How can we reduce water pollution?
How can we prevent littering?
How can we reduce air pollution?
How can we reduce the amount of garbage we produce?
c) Now discuss with a partner the best way to protect the environment. Take turns to try and persuade your partner into doing things you think the most practical. Use the ideas and the expressions for persuading in section a) and the answers to the questionnaire in b).
I think we should burn trash to reduce the amount of garbage we produce to protect the environment.
How can we do that? I think only the factory can.
That’s a good idea! Let’s do that.
No, we shouldn’t do that. Burning trash will pollute the air. I think the best way to reduce garbage is to reuse and recycle things.
What about collecting used paper, bottles and cans every day? It’s not difficult.
Watch video and answer the question?
How is the environmental
situation?
What should we do to protect the environment?
How is the environmental situation?
What should we do to protect the environment?
Prepare "Listen"
Practise speaking with friends
Learn vocabulary and expressions by heart
Thanks for your listening
Storm
Deforestation
Water pollution
Air pollution
Garbage dump