recycling/ nothing/ list/ vegetables/ something/ save/ trouble/ polluting/ taking. Our environment is in (1)trouble. Modern ways of living and today’s industries are (2)polluting it. Most people think there is (3) nothing they can do. This is not true. Everyone can do something to help (4) save our environment. Here is a (5)list of things you can do.

Our environment is in trouble. Modern ways of living and today’s industries are polluting it. Most people think there is nothing they can do. This is not true. Everyone can do something to help save our environment. Here is a list of things you can do.
- Help to cut pollution by taking the bus to work instead of your car.
- Buy fruit and vegetables that have not been treated with pesticides.
- Recycle all your cans, bottles and paper. There should be a recycling center somewhere near your home, so take them there.

Most of the world’s energy comes from the sun. The sun’s energy is in wood, oil, and other things that people use for energy.

VI. Read the text then answer true or false

People use many sources of energy. Ancient people used only their arms, hands, and simple tools until they discovered fire. Later, people learned to use the energy of the wind to sail ships. Then they learned to use animals to do work. In the eighteenth and nineteenth centuries, people began to use machines. The first machines used steam. They burned coal to heat water. The hot water turned into steam, and the steam engine did the work. Later, people began to use the gasoline engine, and today people are using nuclear energy. Energy is one of the basic concepts, or ideas, of physics. It is the ability to do work. Without energy we could live. We need energy to work, and scientists are always looking for new sources of energy.

1. None of the world’s energy comes from the sun. F

2. Wind, steam, and gasoline are sources of energy. T

3. People have never used nuclear energy. F

4. Energy is the ability to do work. T

5. We need new sources of energy. T

Đáp án: A

2. Natural gas is cheap, but it is excellent for cooking.

3. The power plant is big and it provides enough power for the whole town.

4. The solar panels are expensive to buy, but they save money in electricity bills later.

5. My father loves a coal fire but I hate it.

6. I don't think we should use nuclear power, but my brother thinks using it is a good idea.

2. Natural gas is cheap, but it is excellent for cooking.

(Khí ga tự nhiên rẻ, nhưng nó rất tuyệt khi nấu ăn.) 

3. The power plant is big and it provides enough power for the whole town.

(Nhà máy điện lớn và nó cung cấp đủ năng lượng cho cả thị trấn.)

4. The solar panels are expensive to buy, but they save money in electricity bills later.

(Các tấm pin mặt trời rất tốn kém để mua, nhưng chúng tiết kiệm tiền trong hóa đơn tiền điện sau này.)

5. My father loves a coal fire, but I hate it.

(Bố tôi thích lửa than nhưng tôi ghét nó.)

6. I don't think we should use nuclear power, but my brother thinks using it is a good idea.

(Tôi không nghĩ chúng ta nên sử dụng năng lượng hạt nhân, nhưng anh trai tôi nghĩ rằng sử dụng nó là một ý tưởng tốt.)

Coal, oil, and natural gas supply modern civilization with most of irs power. However, not only are supplies of these fuels limited, but they are a major source of pollution. Therefore, it's important to improve, explore and develop such alternative energy sources as nuclear, water, solar and wind power. Each of these alternatives, however, has advantages and disadvantages.

Nuclear power plants efficiently produce large amounts of electricity without polluting the atmosphere; however, they are costly to build and maintain, and they create the difficult problenı of what to do with nuclear waste. Hydroelectric power is inexpensive and environmentally safe, but impractical for communities locnted far from moving water.Wind power is a pollution-free source renewable energy but it cannot be used many parts of the world where there is insufficient wind. Solar power renewable, it does not cause pollution and it does not add the earth's heat load. However, it ia dilficult to coilect and store. Solar power also requir eensive equipnent

Every source of energy has its disadvantages. One way to minimize them is to use less energy. Conservation efforts coupled with renewable energy resoucs wll ensure supplies of clean, affordable energy for humanity's future.

1. Coal, oil and natural gas .............

a. are very great in amount

c. pollute the atmosphere

b. will never be used up

d. supply most of its power

( Mk đã chú thích bằng cách in đậm key word/ sentense ở trên đoạn văn nhé.!!! )

2. Nuclear power plants

a. are difficult to build ..............

c. are very cheap to maintain

b. pollute the atmosphere

d. create the problem of nuclear waste

( Câu a,c ko đúng vì phía trên họ nói là they are costly to build and maintain : Chúng thì quá là đắt đỏ để mà xây dựng và duy trì ; còn câu c thì phía tren họ nói là without polluting the atmosphere : ko hề gây ôi nhiễm tới không khí. )

3. Wind power...............

a. cannot be used in places that has strong wind

b. is never completely used up

c. is a source of pollution

d. cannot replace itself .

( Câu này hơi khó hơn, mk phải dịch một chút Wind power is a pollution-free source renewable energy but it cannot be used many parts of the world where there is insufficient wind: Năng lượng gió là nguồn năng lượng tái tạo không ô nhiễm nhưng nó không thể được sử dụng nhiều nơi trên thế giới, những nơi mà không có đủ gió. )

4. What is the advantage of these alternatives?

a. They are environmentally friendly energy sources

b. They are non renewable forms of energy

c. They are all very practical

d. They are inexpensive to exploit

( Bn xem mấy câu mk đánh dấu trên đoạn nha trong câu đó sẽ có key words/ sentences cho đáp án nha .!!! )

5. From the passage, it can be inferred (suy ra) that to solve our energy problem...................

a. we will have to stop using many of our modern conveniences

b. scientists will have to find one major source of nonpolluting energy

c. scientists will have to find ways to increase our supplies of coal, oil, and gas

d. a combination of conservation and invention will be needed

(Cái này nằm ở đoạn cuối : Conservation efforts coupled with renewable energy resources will ensure supplies of clean, affordable energy for humanity's future : Sự nỗ lực bảo tồn cùng với các nguồn năng lượng tái tạo sẽ đảm bảo nguồn cung cấp năng lượng sạch, giá cả phù hợp cho tương lai của toàn nhân loại )

Tick cho mk nha!!!

Fossil fuel is the most common source of energy today, but it is not considered clean energy. There are various other sources of alternative energy that must be incorporated if the next generations are expected to have energy. Water, wind, the internal heat of the earth, and the sun are all being harnessed to create energy. Geothermal energy and solar energy are more common. Homes are being heated and cooled, cars are being driven, and electricity is used all from these various alternative sources of energy. All are examples of clean energy, which is better for the environment because it does not cause pollution.

Fossil fuel is the most common source of energy today, but it is not considered clean energy. There are various other sources of alternative energy that must be incorporated if the next generations are expected to have energy. Water, wind, the internal heat of the earth, and the sun are all being harnessed to create energy. Geothermal energy and solar energy are more common. Homes are being heated and cooled, cars are being driven, and electricity is used all from these various alternative sources of energy. All are examples of clean energy, which is better

Đáp án: A

Đáp án: A

Đáp án: A

Đáp án: C