1. Write types of pollution in the word web.
Types of pollution
air pollution
radioactive pollution
noise pollution
visual pollution
thermal pollution
water pollution
land/soil pollution
light pollution
UNIT 7. POLLUTION
Lesson 7:
LOOKING BACK
Teacher: Bui Thi Chin
2. Complete the sentences with the correct form of the words in brackets.
I live on the outskirts of a city in Viet Nam. Three years ago, my neighbourhood was very clean and beautiful, with paddy fields and green trees. However, in the last two years, some factories have appeared in my neighbourhood. They have caused serious water (1. pollute) …………... by dumping industrial waste into the lake. The (2. contaminate) ………………… water has led to the (3. die) ………… of aquatic animals and plants. Also, tall residential buildings have replaced the paddy fields. More people result in more cars and motorcycles. (4. poison) ……………. fumes from these vehicles are serious air (5. pollute) ……………
pollutants
pollution
contaminated
death
Poisonous
1. CAUSE : nguyên nhân, lý do
Here are some words and phrases you can use to signal the cause of a problem:
*because/ since + clause : vì, bởi vì
Because the water is polluted, the fish are dead.
*due to/ because of + noun / pronoun : do, vì, bởi vì
Because of the polluted water, the fish are dead
2. EFFECT : kết quả
Here are some words and phrases you can use to signal the effect of a problem: ( Đây là một số từ / cụm từ bạn có thể nêu kết quả của một vấn đề)
* so + clause : nên ,cho nên
The water is polluted, so the fish are dead
* to cause + sth /to lead to sth/to result in sth: khiến , dẫn đến
The polluted water causes/ result in the death of the fish.
3. Rewrite the sentences, using the words in brackets.
1.The noise from the music club is loud, so the residents of the street cannot sleep. (because of)

2. Vy had a stomachache because she ate a big dinner. (since)

3. Because it rained heavily, the road in front of my house was flooded. (due to)

4. His room is untidy, so his mother is unhappy. (because)

5. Global warming happens when there is too much carbon dioxide (CO2) in the atmosphere. (causes)
Too much carbon dioxide (CO2) in the atmosphere causes global warming
The residents of the street cannot sleep because of the loud noise from the music club.
Vy had a stomachache since she ate a big dinner.
The road in front of my house was flooded due to the heavy rain.
His mother is unhappy because his room is untidy
CONDITIONAL SENTENCES (Câu điều kiện)
a. Loại 1:
FORM: If + S + V (s,es), S + will + V
Note: => Unless S + V + ............ , S + will/ won’t + V + ............
=> If S don’t/ doesn’t + V, S + will/ won’t + V + ............
EX: Study hard or you will fail the exam.
=> Unless you study hard, you will fail the exam.
=> If you don’t study hard, you will fail the exam.
Ghi chú: - Sau mệnh đề If hoặc mệnh đề Unless phải có dấu phẩy (,)
- Sau Unless không được dùng dạng phủ định
b. Loại 2: Điều kiện không có thật ở hiện tại:
FORM: If + S + V2/ Ved, S + would + V1
*Note: Động từ “to be” phải chia là were ở tất cả các ngôi
EX: If I had money, I would buy the car.
EX: If I were rich, I would travel around the world.
c. Loại 3: Câu điều kiện loại 3 là câu điều kiện không có thực trong quá khứ.
FORM: If + S + had + V3 / Ved , S + would + have + V3/Ved
EX: If I hadn’t been absent yesterday, I would have met him.
4. Put the verbs in brackets into the correct form
1. It (not be) …………... possible to save the Earth if we (not take) ……........... action now.
2. If the world temperatures ………………. (continue) to rise, there ....................... (be) less snow.
3. If I (be) …………….. you, I (wear) ………………….. earplugs when going to the concert.
4. If we ……… (do) nothing to stop global warming, we ………….. (see) big changes in the future.
5. How ………….. you (travel) …………… to work if you
(not have) ……………....... this motorbike?
6. Our garden is so beautiful. There (not be) …………………. any
flowers if my sister (not take care) …………………… of it every day
didn’t take care
won’t be
don’t take
continue
will be
were
would wear
do
will see
would
travel
didn’t have
wouldn’t be
5. Complete the sentences, using your own ideas.
1. If I were an environmentalist,
2. If our school had a big garden,
3. If the lake wasn’t polluted,
4. If we have a day off tomorrow,
5. If you want to do something for the planet,
I would save the world.
I would plan a lot of flowers.
there would be many fishes alive.
we will go to the zoo.
you should stop dropping the litter first.
- Redo exercises in Looking back in your notebooks
- Prepare the new lesson :
UNIT 8. LESSON 1. GETTING STARTED