our environment is in trouble. People and industries are polluting the air, rivers,lakes and seas. There are many things you can do to help the environment. here are a few

Car: the burning of petroleum is one of the biggest sources of carbon monoxide that causes global warming. CO thins the ozone layer, which protects us from the sunrays. So try to walk, cucle, or use public transportation.

energy: the biggest use of home energy is for heating and cooling homes. it costs alot of money. so turn the heat down, especially at night. replace regular light bulbs with low energy light, which use less energy.

water: showers use a lot of water. buying a special " low-flow" shower head or taking shorter showers can cut this use in half

T - F - T - T

1 Modern ways of living and today's industries are polluting

2 No

3 We should help to cut pollution by taking the bus to work instead of your car, buy organic fruit and vegetables that have not been treated with pesticides, recycle all your cans, bottles and paper

4 Recycling center

1 Modern ways of living and today's industries are polluting it.

2 No, we can't

3 We should: 

- Help to cut pollution by taking the bus to work instead of your car.

- Buy organic fruit and vegetables that have not been treated with pesticides.

-Recycle all your cans, bottles and paper.

4 At the recycling center somewhere near your home

reuse ; electricity ; water ; plastic ; free ; picking up

Our planet is in big trouble – animals are disappearing, the sea and the air are dirty. But there are many different things we can do to protect the environment. First, recycle everything you can. Don’t throw away plastic bottles, glass jars, cardboard boxes or cans. We can (1) _reuse______ them to store food, toys or grow flowers. Second, why not walk or cycle to school or work? It’s (2) ___free____, good exercise and good for the environment. Third, don’t waste (3) __electricity_____. Switch the lights off when you leave the room. And keep the city clean by (4) __picking up_____ litter off the streets. When you go shopping, bring your own bags instead of taking (5) ___plastic____ bags. Together we can make a big difference and help save the planet.

​Our planet is in big trouble – animals are disappearing, the sea and the air are dirty. But there are many different things we can do to protect the environment. First, recycle everything you can. Don’t throw away plastic bottles, glass jars, cardboard boxes or cans. We can (1) __ reuse_____ them to store food, toys or grow flowers. Second, why not walk or cycle to school or work? It’s (2) _free______, good exercise and good for the environment. Third, don’t waste (3) __electricity_____. Switch the lights off when you leave the room. And keep the city clean by (4) ___picking up____ litter off the streets. When you go shopping, bring your own bags instead of taking (5) _plastic______ bags. Together we can make a big difference and help save the planet.

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.

1. • Help to cut pollution by (6)taking the bus to work instead of your car.
   • Buy fruit and (7) vegetables that have not been treated with pesticides.
   • Recycle all your cans, bottles and paper. There should be a (8) recycling center somewhere near your home, so take them there.

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

we are destroying the earth by these acts of enviromental pollution . Example :

+ water pollution

+ air pollution

+ soil pollution so they can not grow a lot of food , some countries have very little rice

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We are DESTROYING the earth. The seas and rivers are to dirty to ..... swim in. There is so much smoke in the air that it is unhealthy to live in many of the world's cities. Poor farmers use the same ....... over and over. The land needs a rest. Farmers need more food. They CUT down trees for firewood. They need wood TO cook theirs now. Poor people can't save the environment for the future. They do NOT take enough care of the countryside. Wild ..... quickly dissapear.

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Đáp án C

Giải thích: Dựa vào câu: “Nature gave us all necessary resources to live and prosper. Now it is in danger and needs our help.”.

Dịch: Nhiên nhiên ban tặng chúng ta tất cả tài nguyên cần thiết để sống và phát triển. Thiên nhiên đang gặp nguy hiểm và cần sự hỗ trợ của chúng ta.