Speaking - Unit 11 trang 127 tiếng Anh 11
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He following statements list some advantages and disadvantages of various sources of energy. Read and tick (V) the appropriate box A (for the advantages) or D (for the disadvantages), then compare the results with partner's.
- Bài học cùng chủ đề:
- Listening - Unit 11 trang 128 tiếng Anh 11
- Writing - Unit 11 trang 130 tiếng Anh 11
- Language focus - Unit 11 trang 131 tiếng Anh 11
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SPEAKING
Task 1. The following statements list some advantages and disadvantages of various sources of energy. Read and tick (✓) the appropriate box A (for the advantages) or D (for the disadvantages), then compare the results with partner's. (Các báo cáo sau đây liệt kê một số lợi thế và bất lợi của các nguồn năng lượng khác nhau. Đọc và đánh dấu (✓) vào ô thích hợp A (đối với những lợi thế) hoặc D (đối với những khó khăn), sau đó so sánh kết quả với các bạn học.)
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A |
D |
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1. Fossil fuels will be exhausted within a relatively short time. |
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2. Geothermal heat is available only in a few places in the world. |
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3. If the wind does not blow, there is no wind energy. |
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4. Water power provides energy without pollution. |
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5. A nuclear reactor releases radiation which is dangerous to the environment. |
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6. Solar energy is not only plentiful and unlimited but also clean and safe. |
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7. It is expensive to build a dam for hydroelectricity. |
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Answer
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A |
D |
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1. Fossil fuels will be exhausted within a relatively short time. |
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✓ |
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2. Geothermal heat is available only in a few places in the world. |
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✓ |
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3. If the wind does not blow, there is no wind energy. |
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✓ |
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4. Water power provides energy without pollution. |
✓ |
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5. A nuclear reactor releases radiation which is dangerous to the environment. |
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✓ |
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6. Solar energy is not only plentiful and unlimited but also clean and safe. |
✓ |
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7. It is expensive to build a dam for hydroelectricity. |
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✓ |
Task 2. Work in pairs. Talk with your friend about the advantages and disadvantages of using each alternative source of energy, using the suggestions from Task 1. (Làm việc theo cặp. Nói chuyện với bạn bè về những lợi thế và bất lợi của việc sử dụng mỗi nguồn năng lượng thay thế sử dụng những từ Task 1.)
Answer
Wind solar
A: I think that can be an alternative source of energy.
B: Why do you think so?
A: Because our major sources of energy are running out while wind is abundant and unlimited.
B: I know it is also clean and safe to the enviroment.
However, it is not available when there is no wind.
Solar energy
A: I think that solar energy can be an alternative source of energy.
B: Why do you think so?
A: Because our major sources of energy are running out while solar energy is plentiful and infinite.
B: I know it is also clean and safe to the enviroment.
However, it is only possible during the day time.
Nuclear power
A: I think that nuclear power can be an alternative source ofenergy
B: Why do you think so?
A: Because our major sources of energy are running out while nuclear power is unlimited.
B: However, it can be very dangerous. A nuclear reactor releases radiation which is harmful to the environment.
Water power
A: I think that water power can be an alternative source of energy.
B: Why do you think so?
A: Because our major sources of energy are running out while water is unlimited.
B: I know it also provides energy without pollution.
However, it is expensive to build a dam for hydroeiectricity.
Geothermal heat
A: I think that geothermal heat can be an alternative source of energy.
B: Why do you think so?
A: Because our major sources of energy are running out while this heat is available.
B: I know it also provides energy without pollution.
However, it is possible only in a few places in the world.
Task 3. Work in groups. Express your belief on the increasing use of alternative source of energy in the future, using the ideas from Task 2. (Bày tỏ lòng tin của bạn vào việc sử dụng nguồn năng lượng thay thế trong, tương lai, bằng cách sử dụng các ý đồ nghị từ Task 2.)
In my opinion using the alternative sources is the necessary way to solve the rapid exhaustion of our major sources of energy. The alternative sources such as solar energy, water power, wind power… are clean and safe for our life. Besides that they are unlimited and can be renewable. Nowadays, there are some developed countries that use the alternative sources parallel the major sources of energy. Day after day, science and technology develop so fast. There are more windmills, dams are built, more solar panels are set on the roofs of houses to create energy. I think in the future, the alternative sources will replace completely our major sources of energy.
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- Unit 4: volunteer work - công việc tình nguyện
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