Unit 3: The green movement

Looking back

Pronunciation

1. Listen and underline the sounds that are assimilated.

Lắng nghe và gạch dưới các phát âm được đồng hóa.

Click tại đây để nghe: 

1. This is the best book on environmental issues.
2. We believe that both sides should focus more on energy-saving projects.
3. We'll make the earth a green planet.
4. Wind power produces no greenhouse gas emissions during operation.
5. Bio-fuels are obtained from biodegradable plant material.

2  Listen and complete the sentences. 

(Nghe và hoàn thành câu)

Click tại đây để nghe:

1. Fresh green beans provide lots of valuable nutrients.
2. Sustainability is the key element in modern town planning.
3. I got food poisoning after eating vegetables sprayed with pesticides.
4. The goal of Great Britain foundation is to create new wildlife habitats.
5. We started using energy-saving light bulbs.

Vocabulary

Complete the sentences with the correct form of the words/phrases in the box. 

(Hoàn thành câu với hình thức đúng của các từ / cụm từ trong hộp.)

deplete       combustion       organic       disposal of        soot particle       pathway       clutter

1. The focus of the seminar will be on ___disposal of___ hazardous waste.
2. Some people still think that our natural resources can never be ___depleted___.
3. A good way of clearing ___clutter___ from your home is to sort it into ‘throw away’, ‘put away’, and ‘give away’ boxes.
4. ___Organic___ farming avoids the use of chemical fertilisers and pesticides.
5. Incomplete___combustion____ often gives off toxic by-products.
6. ___Soot particles___ are so tiny that they can enter the bloodstream causing health problems.
7. Green technology has been part of the ___pathway___ to economic progress.

Grammar

1. Combine the simple sentences into compound sentences, using appropriate conjunctions. 

(Kết hợp câu đơn giản thành câu ghép, sử dụng liên từ thích hợp.)

1. We read food labels carefully. We want to buy only organic products.

→ We read food labels carefully, for we want to buy only organic products.

2. The burning of fossil fuels is the largest source of greenhouse gas emissions. The burning of fossil fuels causes air pollution.

→ The burning of fossil fuels is the largest source of greenhouse gas emissions and causes air pollution.

3. Shall we organise a tree-planting day? Shall we launch a recycling campaign at school?

→ Shall we organise a tree-planting day or launch a recycling campaign at school?

4. Regular exercise is essential to longevity. It is not the only factor.

→ Regular exercise is essential to longevity, but it is not the only factor.

5. Noise pollution can cause stress and psychological problems. Try to spend some peaceful, quiet time in nature.

→ Noise pollution can cause stress and psychological problems, so try to spend some peaceful, quiet time in nature.

2. Combine the simple sentences into complex sentences, using the word in brackets.

Kết hợp câu đơn giản thành câu ghép, sử dụng liên từ thích hợp

1. We change our consumption habits. We reduce our carbon footprint, (if)

→ If we change our consumption habits, we can reduce our carbon footprint.

2. We should use bicycles instead of cars. This wii to reduce exhaust fumes and pollution, (because)

→ We should use bicycles instead of cars because this will help reduce exhaust fumes and pollution.

3. Fossil fuels are burned.They emit harmful gas the environment at the same time, (when)

→ When fossil fuels are burned, they emit harmful gas into the environment.

4. Protect the environment. You live there, (where)

→ Protect the environment where you live.

5. We reuse bags, old clothes and scrap pape-' home. We can reduce waste, (so that)

→ We reuse bags, old clothes and scrap paper at home so that we can reduce waste.

3. Match the simple sentences. Then write complex sentences with which

Nối các câu đơn giản. Sau đó viết các câu phức tạp với which

a. This has resulted in fewer asthma attacks. b. This has brought them some financial and health benefits. c. This has had an impact on the entire community. d. This has helped students to improve their concentration and test results. e. This has made us very proud.

1 - d: The indoor air quality at school is better now, which___has helped students to improve their concentration and test results___.