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What is water pollution? Water pollution is a source of water contaminated with chemicals or foreign substances that are detrimental to human, plant or animal health. It occurs when harmful substances get into bodies of water such as lakes, rivers, oceans, etc., which can be dissolved, suspended or deposited in the water. At that time, it greatly affects the environment and organisms around the world.
Therefore, we need to have the right measures to overcome water pollution. Firstly, there must be severe and severe sanctions against individuals, organizations and agencies that commit acts of destroying the environment, affecting people's lives. In addition, it is also necessary to educate the people through propaganda and encouragement such as organizing exchanges to discuss environmental issues at the ward and commune level administrative units ... More detailed articles about the environment in textbooks right from the elementary level, helping students to have the right attitude and view about the environment and its consequences, thereby helping them to know love and protect the environment in which I live. Another way to help protect the environment is to launch volunteer movements more often such as environmental protection in residential areas, garbage collection in public areas, and beach cleaning ...
We need to join hands to protect the environment and avoid pollution for the future of a green, clean, beautiful Vietnam, and for our own life as well as for generations to come! Let's protect the environment to protect our own lives.
Do as dirceted in the brackets.
1, the man is sitting next to me. he is my father 's friend
--> the man sitting next to me is my father's friend.
2, huy alway gets into trouble at school his parents are unhappy
--> huy's parents are unhappy that he always gets into trouble at school.
3, A girl is playing the piano. she is my sister
---> The girl playing the piano is my sister.
4, heard about the exam results . i felt relieved
--> i felt relieved to hear about the exam results.
5, the fruits are humful to health. they are imported from china( ed- participle)
--> The fruits imported from China are harmful to our health.
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in my opinion, the best leisure activity for teenagers is playing sports. firstly, it can help we relax after study hard. secondly, if we play sports we will become healthy. finally, we can make many new friend because when we play team sports .In short , sports is very good for everyone so we should play it . I think parents shouldnot decide how teenagers spent their free time because if they decide, they will make their children feel unhappy and not confident.
=> The weather is so good that they are going for a picnic.
Exercise 1:
1. will give
2. would type
3. would have visited
4. attended
5. knew
6. had arrived
7. wouldn't make
8. were
9. find
10. were
Exercise 2:
1. If you don't keep silent, you'll wake the baby up.
2. If you stop talking, you will understand the lesson.
3. If I knew her number, I would ring her up.
4. If I knew the answer, I could tell you.
5. If we had had a map, we wouldn't have got lost.
6. If Susan hadn't eaten four cream cakes, she wouldn't have felt sick.
7. If you hadn't been for this treatment, the patient would have died.
8. If he hadn't been late everyday, he wouldn't have lost his job.
9. If Peter didn't eat so many chips, he wouldn't be fat.
10. If Robert hadn't started smoking cigarettes, he wouldn't have got a bad cough.
Exercise 3:
1. Unless you like this one, I'll bring you another.
2. Unless she hurries, she'll be late.
3. Unless you are careful, you'll cut yourshelf.
4. Unless you had sneezed, he wouldn't have known that we were there.
Exercise 4:
1. D
2. B
3. C
4. B
5. C
30. c
1. c
2. b
3. d
4. b
5. a
6. c
Exercise 5:
7. If he didn't have to study for exam, he could go out.
8. If she weren't lazy, she could pass the exam.
9. If he pays me tonight, I will have enough money to buy a car.
10. If he didn't smoke too much, he could get rid of his cough.
11. If she weren't very shy, she would enjoy the party.
12. If I get a work permit I will stay for another month.
13. If he were so healthy, he would take some exercises.
14. If I had the right change, we could get the ticket.
15. If you don't study hard, you will pass the exam.
16. If you are impatient, you will make mistakes.
17. If I had eaten lunch, I wouldn't feel hungry now.
18. Unless they invite me, I won't come.
19. If he had revised all his lessons, he wouldn't have failed the exam.
20. If you walk to the park, it will take you 5 minutes.
21. Unless you leave me alone, I'll call the police.
In my opinion, living in the countryside has its own pros and cons. According to benefits, it has fresh air, quite environment and friendly neighbors. Firstly, you have a healthy life. There are no dust, no smoke and no traffic jam. The air is fresh and the rain is also very clean. You can get raging water to cook rice and certainly have and tasted meal. Secondly, living in the countryside is peacful. It is very quiet to relax after working or there are many beautiful wide fields and fresh air.Finally, there are no separations in your town. Your neighors are friendly and helpful. They are really best friends. They will help you pleasently if you have trouble. Each problem has its solution anf your neighbors will share it for you. In conclusion, I prefer to live in the countryside, but I don't want to live there permanently.