Sông suối mang nước, là hình thái dòng chảy của nước trên mặt đất.
- là môi trường sinh sống cho nhiều loài sinh vật
- cung cấp nước cho ăn uống, sinh hoạt, tưới tiêu nông nghiệp......
- là nguồn cung cấp thức ăn , thủy sản cho cn, phát triển ngư nghiệp....
- bồi đắp phù sa thuận lợi cho nôg nghiệp
- là đường giao thôg, bến đỗ,nơi đi lại cho tàu bè...

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Nowadays, energy is being run out more and more so it is one of the most important things of our life. We need to save energy because nobody of us can lives without energy. So why don't we start to do it right in our home? We have many ways to save energy in our home. One of those ways is using electricity, water and gas economically. Such as we should turn off the light in room when we go out or in unnecessary situations, avoid wasting water, shut the kitchen stove when stop cooking. Use a microwave instead of a stove to reheat food. Use rechargeable batteries instead of disposable batteries... Besides, we should use electrical equipments which are energy - saving. Such as using lights and fans that have low capacity, or using equipments which reserve electricty. Not only do these help us to save money but also they work effectively.
In addition, we should frequently check electrical equipments in our home in order to fix opportunely. In summary, we need to save energy so that energy isn't run out and continues to serve human's life.

Đoạn văn này nói về việc tiết kiệm năng lượng ở nhà , coi như có bảo vệ năng lượng nhé !

Nowadays, energy is being run out more and more so it is one of the most important things of our life. We need to save energy because nobody of us can lives without energy. So why don't we start to do it right in our home? We have many ways to save energy in our home. One of those ways is using electricity, water and gas economically. Such as we should turn off the light in room when we go out or in unnecessary situations, avoid wasting water, shut the kitchen stove when stop cooking. Use a microwave instead of a stove to reheat food. Use rechargeable batteries instead of disposable batteries... Besides, we should use electrical equipments which are energy - saving. Such as using lights and fans that have low capacity, or using equipments which reserve electricty. Not only do these help us to save money but also they work effectively.
In addition, we should frequently check electrical equipments in our home in order to fix opportunely. In summary, we need to save energy so that energy isn't run out and continues to serve human's life.

We use energy for most every thing we do. But energy aren't abundant so we must save energy. To save energy, we should turn off the  light before go to bed. Moreover we should use low energy buld. Finally, we should use pullic transport to long distance.

Đây là bài làm của mk nếu có sai sót thì thông cảm nha .

Bạn phải tự lm chứ! Nộp bài thì phải nộp bài trung thực, không nên lấy đi công sức của người khác.

Nowadays, energy is very important for our life, so we should use it more efficiently. We should use motorbikes and cars less to avoid increasing the tax on petrol. We should use low energy light bulbs, remember to turn off the light when you leave or go to bed to reduce our electric bills. We also should use public transport when you travel.

Nowadays, energy is necessary for our life. There are many kind of energy : ocean energy, electric energy, solar energy, wind energy... But energy also limit , so we must save energy. We can make some following ways.
To save petrol energy, we should:
+ Limit travel by car, motorbike, train...
You can using bicycles or walk.This not only help you save energy but also avoid traffic jams and can save your money any more.
- To save electricity energy, we should:
+ Turn off the light , the fans, the air-conditioner, you should close it after using.Avoid ironning close at peak hours...
+ When buying somethings, we should choose devices with costly a low electricity.
There are many ways to save water:
+ Turn off the faucet after using it
+ Don't let children play with water, if you let chidren play with water , this ill a lot of water.

- In the kitchen we should save gas energy by many ways:
+ turn off gas after cooking
+ don't use gas too much
+ when the food ripe, we should turn off gas immidiately to save gas.
- saving energy is our duty.
If you follow ways above, you can not only save energy but also save money very much and protect the environment.

Please make your dream come true!!

Hihi!!! ^ ^

Bạn có thể nào rút ngắn lại được không? 

Solar energy makes us have solar electricity, light to live. If you don't have solar energy, you will have to use electricity, but using electricity will cause a fire, so solar energy is very good.

Energy is very important in our daily life. We use energy for almost everything we do. However energy is limited. We should do the following things to save energy. Firstly, we should use electricity more efficiently. Secondly, we had better reduce our electricity bills. Besides, it’s necessary to turn off the lights when leaving a room or before going to bed to save energy. Moreover, we ought to reduce the use of fossil fuels. In short, we should try our best to save energy for our future and for our planet’s future.

Câu 1. Tại sao ở vùng bờ biển người ta phải trồng rừng ở phía ngoài đê ?

Trả lời: Trồng cây để ngăn cản gió bão, chống xói lở đê.

Câu 2. Thực vật có vai trò gì đối với nguồn nước ?

Trả lời: 

Thực vật giữ nguồn nước ngầm, làm hạn chế ngập lụt, hạn hán:

-    Hệ rễ của cây hấp thụ nước và duy trì lượng nước ngầm trong đất; lượng nước này sau đó chảy vào các chỗ trũng tạo thành suối, sống... góp phần tránh được hạn hán.

-  Nhờ có tác dụng giữ nước của rễ, cây xanh che chắn dòng chảy do mưaa lớn gây ra góp phần hạn chế lũ lụt trên Trái Đất.

Câu 3. Vai trò của rừng trong việc hạn chế lũ lụt, hạn hán như thế nào ?

Trả lời: 

Thực vật, đặc biệt là thực vật rừng, nhờ có hệ rễ giữ đất. Tán cây cản bớt sức nước chảy do mưa lớn gây ra. nên có vai trò quan trọng trong việc chống xói mòn, sạt lở hạn chế lũ lụt cũng như giữ được nguồn nước ngầm, tránh hạn hán.

iseebook đó bạn, eat less junk food, try to relax more,...

-Eat less junk food

-

-Eat more fruits / vegetables

-Do more exercise

-Watch less TV

-Wash hands more

-Sleep more

2. A Thousand Years – Christina Perri

3. Apologize – Timbaland

vd:

các bài của alan walker: faded, the spectre, lily, ....

Vài bài mình thích:

1. Lemon Tree

2. Would You Be So Kind?

3. All the kid are depressed

3. Older

4. Shape Of You

5. Faded

...