a. Read and match to make sentences.

(Đọc và nối để tạo thành câu.)

b. Fill in the blanks with the words from Task a.

(Điền vào chỗ trống với các từ trong Phần a.)

1. We can _____ from fossil fuels to green energy to stop global warming.

2. It’s important to _____ the cutting down of rainforests in Brazil.

3. Unlike wind power, oil is not a _____ source of energy.

4. People _____ too much junk food.

5. _____ do not make greenhouse gases when you use them.

6. We should raise the _____ on fossil fuels so that people will use them less.

a. Read Lisa’s email to her friend Andrew. What was the conference about?

(Đọc email của Lisa gửi cho bạn của cô ấy là Andrew. Hội nghị nói về cái gì?)

1. sustainable energy

2. what we can do to stop global warming

Tạm dịch:

b. Now, read and circle True, False, or Doesn’t say.

(Bây giờ hãy đọc và khoanh Đúng, Sai hoặc Không được nói đến.)

1. The scientist is working to make solar power more expensive.                             True    False    Doesn’t say

2. She met some people who are making biofuels from potatoes.                             True    False    Doesn’t say

3. They want deforestation in Brownston to decrease by 50%.                                 True    False    Doesn’t say

4. Melissa gave a speech at the end of the conference.                                              True    False    Doesn’t say

5. The organizers will hold another convention next year.                                        True    False    Doesn’t say

a. Unscramble the sentences.

(Sắp xếp lại câu.)

1. We/ transportation/ cars./ our/ driving/ of/ use/ should/ public/ instead

2. Planting/ is/ more/ trees/solution./ best/ the

3. think/ solar/ power./ switching/ to/ about/ We/ should

4. warming/ can/ fight/ less/ using/ fossil/ We/ global/ fuel./ by

5. and/ Prohibiting/ motorcycles/ is/ idea./ a/ cars/ good

b. Fill in the blanks. Use the correct form.

(Điền vào chỗ trống. Sử dụng dạng đúng của từ.)

1. We can help by _____ (save) electricity.

2. _____ (cut) down more trees will make global warming worse.

3. We should use solar power instead of _____ (burn) oil.

4. _____ (reduce) CO₂ emissions will help save the planet.

5. We can save many animals by _____ (protect) the forests.

Write sentences. Use the information in the table.

(Viết câu. Sử dụng thông tin trong bảng.)

By using public transportation, we can reduce air pollution.

(Bằng cách sử dụng phương tiện giao thông công cộng, chúng ta có thể giảm ô nhiễm không khí.)