Bài giảng Tiếng Anh 9 - Unit 6: The environment (Lesson 2) - Năm học 2010-2011

 welcome to our class Friday, December 31st, 2010
Unit 6 : Environmment 
 Lesson 2: SPEAK +LISTEN I . VOCABULARY: 
( to) prevent: ngăn ngừa, phòng chống 
(to) reduce: làm giảm 
(to) wrap: bao bọc 
a leaf  leaves: lá 
(to) dissolve: phõn huỷ
(to) save: tiết kiệm
(to) litter: xả rỏc
marine life (n): cuộc sống dưới biển
sewage (n): nước cống, nước thải
oil - spill (n): sự tràn dầu
 (to) leak: làm thủng
(to) pump : bơm, đổ II. Presentation
EX: I think It would be better if we reuse and recycle bottles and cans. 
 what about reusing and recycling bottles and cans ? 
 * Form: 
 - I think you should + V0 ......
 - Won't you ?
 - It would be better if you + V0 ..
 - Why don't you .?
 - Why not ..?
 - What/ how about + V- ing ..? * Form: I think you should Why don’t you ?
 Won’t you . ? Why not ?
 It would be better if you .. What/ How about ..?
 - 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 trast onto the water. 
 ( keep the water clean/ polluted water candirectly 
 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 trast/ keep 
 the schoolyard clean)
 - Use public buses instead of motorbikes. (avoid 
 traffic jams/ reduce exhaust fume/ save energy) * PRACTICE IN PAIR
 A B
I think we should use banana Why?
 leaves to wrap food.
Because plastic bags are very 
 hard to dissolve. And we 
 can save paper.
 ok. I agree with you. Questionaire
 Protecting the environment
1. How can we save paper ?
2. How can we use fewer plastic bags ?
3. How can we reduce water pollution ?
4. How can we prevent littering ?
5. How can we reduce air pollution ?
6. How can we reduce the amount of garbage 
we produce? UNIT 6:ENVIRONMENT
 How the ocean is polluted
1.Firstly: Raw sewage is __________directlypumped 
 into the sea.
2. Secondly:__________droppedgarbage is into the sea.
3. Thirdly: Oil spills _____________________come from ships at the sea
4. Next: ______________________________waste materials come from factories
 run into the river.
5. Finally;________________oil is washed from the land. UNIT ENVIRONMENT6:
What are polluted? What causes pollution?
 Air____________ pesticides,_______ 
 ______________ ________________ 
 ______________ ________________ 
 ______________ ________________ 
 ______________ ________________ Thank you 
 for 
your attention !