Giải bài tập SGK Tiếng Anh 11 Unit 4 Lesson 2 giúp các em học sinh trả lời các câu hỏi tiếng Anh trang 40, 41, 42, 43 để chuẩn bị bài Global Warming trước khi đến lớp.
Soạn Lesson 2 Unit 4 lớp 11 được biên soạn bám sát theo chương trình SGK i-Learn Smart World 11 tập 1. Qua đó giúp học sinh nhanh chóng nắm vững được kiến thức để học tốt tiếng Anh 11. Vậy sau đây là nội dung chi tiết bài soạn Unit 4 Lớp 11: Lesson 2 trang 40, 41, 42, 43 i-Learn Smart World, mời các bạn cùng theo dõi.
Unit 4 Lớp 11 Lesson 2 trang 40, 41, 42, 43
Let’s Talk!
In pairs:How does the activity in the picture help the environment? What things do you do that help the environment?
(Theo cặp: Hoạt động trong tranh giúp ích gì cho môi trường? Bạn làm gì để giúp ích cho môi trường?)
Gợi ý đáp án
Planting trees is very important to the environment because trees have the effect of improving the climate because they have the ability to block and filter solar radiation, prevent water evaporation, keep soil moisture, and prevent water loss. air, wind control and ventilation; Environmental protection: sucking CO2 and supplying O2, preventing harmful gases from factories, waste and heat from people.
To help the environment, I have done some activities like:
+ Plant a lot of trees.
+ Use natural materials.
+ Use clean energy.
+ Save electricity.
(Tiết kiệm điện.)
+ Reduce the use of plastic bags.
+ Save paper.
New Words
a. Match the underlined words with the definitions. Listen and repeat.
(Nối các từ được gạch chân với các định nghĩa. Lắng nghe và lặp lại.)
|
1. Governments should prohibit farmers from destroying forests to stop deforestation. 2. We can switch from oil to solar power. 3. Governments should increase the tax on gas to make it more expensive. 4. Biofuels are much cleaner than fossil fuels. 5. If we continue to consume fossil fuels, global warming will get worse. 6. Wind and solar energy are more sustainable than fossil fuels. |
a. use something, usually in large amounts b. energy made from living things c. part of the money that we earn or spend, which goes to the government d. stop something by using a rule or law e. change to something different f. using natural products and energy that doesn’t damage the environment |
Gợi ý đáp án
|
1. d |
2. e |
3. c |
|
4. b |
5. a |
6. f |
b. In pairs: Talk about things that can be done to help the environment where you live.
(Làm theo cặp: Nói về những việc có thể làm để giúp ích cho môi trường nơi bạn sống.)
We should prohibit motorbikes in our town center.
Gợi ý đáp án
– We should limit the use of plastic bags.
– We should use biofuels instead of fossil fuels.
Reading
a. Read the magazine article and circle the main idea.
(Đọc bài báo trên tạp chí và khoanh tròn ý chính.)
1. the effects of global warming (tác động của sự nóng lên toàn cầu)
2. ways to stop global warming (cách để ngăn chặn sự nóng lên toàn cầu)
July 8, 2021
By James Trần
The Truth about Global Warming
More and more teenagers are worried about the environment. Teen World takes a look at the biggest environmental problem facing our world.
Teens everywhere are re becoming more in more interested in ponment. The main issue today is global warming. It’s caused by the increase of greenhouse gases, which keep the heat from the sun in the air. Sulfur dioxide (SO2) is one of the most common greenhouse gases. It’s mostly caused by burning fossil fuels. We consume fossil fuels for our transportation and the energy in our homes. Deforestation is another human activity that only makes global warming worse. Trees remove greenhouse gases from the air, so we need to protect the forests.
What can we do? First of all, in order to reduce greenhouse gases, we should shut down coal and of power plants. We should switch to more sustainable kinds of energy, such as wind and solar power, even if they cost more. Instead of gas, we could switch to using biofuels, which are made from plants and other living things. Secondly, we should prohibit cars and motorbikes from downtown areas and increase the tax on gas to make it more expensive to use them. Using more electric vehicles, especially electric buses, is another good idea.
Protecting our forests and planting more trees are both very important. It’s hard to stop farmers from cutting down trees, so governments have to make strong laws to protect forests.
There are many things we can do at home to help. We can all help save energy at home by turning off the lights and also switching to energy-saving devices.
These are the solutions we can use to stop global warming. We can still save our planet if people act now.
Gợi ý đáp án
The main idea: 2. ways to stop global warming
(Ý chính: cách để ngăn chặn sự nóng lên toàn cầu)
b. Now, read and answer the questions.
(Bây giờ, hãy đọc và trả lời các câu hỏi.)
According to the article,…
(Theo như bài báo,…)
1. what creates sulfur dioxide?
(điều gì tạo ra sulfur dioxide?)
2. the word consume in paragraph 1 is closest in meaning to ___________.
(từ tiêu thụ trong đoạn 1 gần nghĩa nhất với)
a. eat (ăn)
b. use (sử dụng)
c. destroy (hủy hoại)
3. what could we replace gas with?
4. what should we stop using in the busy parts of towns?
5. how can people save energy at home?
Gợi ý đáp án
1. burning fossil fuels (đốt nhiên liệu hóa thạch)
Thông tin: Sulfur dioxide (SO2) is one of the most common greenhouse gases. It’s mostly caused by burning fossil fuels.
2. b
3. biofuels (nhiên liệu sinh học)
Thông tin: Instead of gas, we could switch to using biofuels, which are made from plants and other living things.
4. cars and motorbikes (ô tô và xe máy)
Thông tin: Secondly, we should prohibit cars and motorbikes from downtown areas and increase the tax on gas to make it more expensive to use them.
5. by turning off the lights (bằng cách tắt đèn)
Thông tin: We can all help save energy at home by turning off the lights and also switching to energy-saving devices.
c. Listen and read.
(Nghe và đọc.)
Phương pháp giải:
July 8, 2021
By James Trần
The Truth about Global Warming
More and more teenagers are worried about the environment. Teen World takes a look at the biggest environmental problem facing our world.
Teens everywhere are re becoming more in more interested in ponment. The main issue today is global warming. It’s caused by the increase of greenhouse gases, which keep the heat from the sun in the air. Sulfur dioxide (SO2) is one of the most common greenhouse gases. It’s mostly caused by burning fossil fuels. We consume fossil fuels for our transportation and the energy in our homes. Deforestation is another human activity that only makes global warming worse. Trees remove greenhouse gases from the air, so we need to protect the forests.
What can we do? First of all, in order to reduce greenhouse gases, we should shut down coal and of power plants. We should switch to more sustainable kinds of energy, such as wind and solar power, even if they cost more. Instead of gas, we could switch to using biofuels, which are made from plants and other living things. Secondly, we should prohibit cars and motorbikes from downtown areas and increase the tax on gas to make it more expensive to use them. Using more electric vehicles, especially electric buses, is another good idea.
Protecting our forests and planting more trees are both very important. It’s hard to stop farmers from cutting down trees, so governments have to make strong laws to protect forests.
There are many things we can do at home to help. We can all help save energy at home by turning off the lights and also switching to energy-saving devices.
These are the solutions we can use to stop global warming. We can still save our planet if people act now.
d. In pairs: Do you remember to switch off the lights? How else do you save electricity?
(Theo cặp: Bạn có nhớ tắt đèn không? Làm thế nào khác để bạn tiết kiệm điện?)
Gợi ý đáp án
I always turn off the lights before leaving the house or when not in use. Some simple ways to save electricity:
+ Switch off lights and electrical appliances when not using them.
+ Switch to energy-saving LED light globes.
+ Understand and improve your home’s energy use.
+ Manage your heating and cooling.
Grammar Meaning & Use
a. Look at the picture. What do you think the people are saying?
(Nhìn vào bức tranh. Bạn nghĩ mọi người đang nói gì?)
Gợi ý đáp án
Is planting trees a good idea?
Yes, and we should think about turning off the lights.
b. Now, listen and check your ideas.
(Bây giờ, hãy lắng nghe và kiểm tra ý tưởng của bạn.)
Gợi ý đáp án
Is planting trees a good idea?
Yes, and we should think about turning off the lights.
c. Listen and repeat.
(Nghe và lặp lại.)
Is planting trees a good idea?
(Trồng cây có là một ý tưởng tốt không?)
Yes, and we should think about turning off the lights.
(Vâng, và chúng ta nên suy nghĩ về việc tắt đèn.)
Grammar Form & Practice
a. Unscramble the sentences.
(Sắp xếp lại câu.)
1. expensive/will/solar/to/Switching/power/be
Switching to solar power will be expensive.
2. burning/instead/We/power/should/us/allcl/wind
____________________________________________
3. Is/more/solution?/good/trees/a/planting
____________________________________________
4. by should/Wo/start/electricity/saving
____________________________________________
5. on/a/great/fuel/idea.Increasing/is/tax
____________________________________________
6. about/should/developing/think/We/biofuels.
____________________________________________
Gợi ý đáp án
1. Switching to solar power will be expensive.
2. We should use wind power instead of burning coal.
3. Is plating more trees a good solution?
4. We should start by saving electricity.
5. Increasing tax on fuel is a great idea.
6. We should think about developing biofuels.
b.Circle the correct word.
(Khoanh chọn từ đúng.)
1. Prohibit/Prohibiting cars can reduce/reducing traffic emissions.
2. We can reduce/reducing deforestation by plant/ planting more trees.
3. Governments should think/thinking about switch/switching to sustainable energy.
4. Will consume/consuming less coal decrease/decreasing emissions?
5. Protect/Protecting forests can save/saving many animals.
Gợi ý đáp án
|
1. Prohibiting – reduce |
2. reduce – planting |
3. think – switching |
|
4. consuming – decrease |
5. Protecting – save |
|
c. In pairs: Ask your partner what they think you can do to help the environment in Vietnam using the gerund phrases in Task a and Task b.
(Theo cặp: Hỏi bạn của bạn xem họ nghĩ bạn có thể làm gì để giúp ích cho môi trường ở Việt Nam bằng cách sử dụng các cụm danh động từ trong Bài a và Bài b.)
What do you think we can do to help the environment in Vietnam?
I think we can help to reduce air pollution by burning less coal.
Gợi ý đáp án
A: What do you think we can do to help the environment in Vietnam?
B: I think we can help reduce air pollution by using public vehicles instead of private vehicles.
Pronunciation
a. Focus on the /lz/ sound.
(Tập trung vào âm /lz/.)
b. Listen to the words and focus on the underlined letters.
(Nghe các từ và tập trung vào các chữ cái được gạch chân.)
fuels (nhiên liệu)
bicycles (xe đạp)
c. Listen and circle the words you hear.
(Nghe và khoanh tròn những từ bạn nghe được.)
|
1. fossil 2. recycles 3. spends |
fossils recycled spells |
Gợi ý đáp án
|
1. fossils |
2. recycled |
3. spells |
d. Take turns saying the words in Task c while your partner points to them.
(Thay phiên nhau nói các từ trong Nhiệm vụ c trong khi đối tác của bạn chỉ vào chúng.)
Practice
a. Practice the conversation. Swap roles and repeat.
(Thực hành các cuộc đối thoại. Đổi vai và lặp lại.)
Tom: What’s the best way to stop global warming?
Liz:Hmm. I’m not sure. Is switching to solar power a good idea?
Tom: I think it would be too expensive.
Liz:OK. Would prohibiting cars in city centers be a better solution?
Tom:I think so. It will reduce CO2 emissions.
Liz: Maybe you’re right. I think using clean public transportation might be a good solution.
Tom: I’m not so sure. Switching to electric buses. will be very expensive.
|
asking people to save electricity (bảo mọi người tiết kiệm điện) |
using wind power (sử dụng năng lượng gió) |
|
difficult to do (khó để làm) |
too unreliable (quá không đáng tin cậy) |
|
increasing tax on fuel (tăng thuế nhiên liệu) |
increasing the price of cars and motorbikes (tăng giá xe ô tô và xe máy) |
|
I don’t think so. It will make people angry. (Tôi không nghĩ vậy. Nó sẽ làm mọi người tức giận.) |
I don’t think so. It won’t stop people from buying them. (Tôi không nghĩ vậy. Nó sẽ không ngăn cản được việc mọi người mua chúng.) |
|
using electric cars (sử dụng ô tô điện) |
riding bicycles to work (đi xe đạp đi làm) |
|
They’re too expensive to buy for some people. (Với một số người chúng quá đắt tiền để mua.) |
Riding bicycles is dangerous in some countries. (Đạp xe nguy hiểm ở một số nước.) |
b. Make two more conversations using the ideas on the right.
(Thực hiện thêm hai cuộc hội thoại bằng cách sử dụng các ý tưởng bên phải.)
Speaking
GLOBAL WARMINGSOLUTIONS
(GIẢI PHÁP CHO NÓNG LÊN TOÀN CẦU)
a. You’re a scientist discussing ways that your government can fight global warming. Complete the table with ideas from the reading or your own ideas. In pairs: Discuss and agree on two solutions which you think are the most effective.
(Bạn là một nhà khoa học thảo luận về những cách mà chính phủ của bạn có thể chống lại sự nóng lên toàn cầu. Hoàn thành bảng với ý tưởng từ bài đọc hoặc ý tưởng của riêng bạn. Theo cặp: Thảo luận và thống nhất về hai giải pháp mà bạn cho là hiệu quả nhất.)
Prohibiting deforestation will reduce greenhouse gases. What do you think?
(Cấm chặt phá rừng sẽ làm giảm khí nhà kính. Bạn nghĩ sao?)
I think it will be difficult to stop farmers from cutting trees.
(Tôi nghĩ sẽ rất khó để ngăn chặn nông dân chặt cây.)
b. Join another pair and compare your choices. Did you choose the same solutions? Why (not)?
(Tham gia một cặp khác và so sánh các lựa chọn của bạn. Bạn đã chọn các giải pháp tương tự? Tại sao không)?)
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