Giúp mk bài 1 nha.Cảm ơn nhiều.

1.Sex,crime, and violence may have............on impression able children 2.Watching tv more than 3 hours per day can contribute to.........behavior problems, lower grades,and other healthy ossues 4.Spending time with.........like art or music is better than only watching tv. 5.Those who watch tv to much may become ..

( √A) ²= √A=A mọi người ơi nó có thường áp dụng trong toán 9 ko vậy cho ví dụ đi

Viết một đoạn văn(Quy nạp,diễn dịch,tổng phân hợp)suy nghĩ của mình về vai trò của ngôi trường đối với thế hệ trẻ(7-9 câu)

I. Put the following sentences into passive voice 1. They can’t make tea with cold water 2. The chief engineer was instructing all the workers of the plant. 3. Somebody has taken some of my hooks away. 4. They will hold the meeting before May Day. 5. They have to repair the engine of the car. 6. The boys broke the window and took away some pictures. 7. People spend a lot of money on advertising every day. 8. They may use this room for the classroom. 9. The teacher is going to tell a story. 10. Mary is cutting the cake with a sharp knife. 11. The children looked at the women with a red hat. 12. They have provided the victims with food and clothing. 13. People speak English in almost even’ corner of the world. 14. You mustn’t use this machine after 5:30 p.m. 15. Luckily for me, they didn’t call my name. 16. You must clean the wall before you paint it. 17. They told the new pupil where to sit. 18. I knew that they had told him of the meeting. 19. Nobody has ever treated me with such kindness. 20. No one believes his story. 21. A sudden increase in water pressure may break the dam. 22. We must take good care of hooks borrowed from the library. 21 A man I know told me about it. 25. We can never find him at home for he is always on the move. 26. They use milk for making butter and cheese. 27. Science and Technology have completely changed human life. 28. John used to visit My Cole at weekends. 29. Weeds cover the river hank. 30. Smoke filled the room.

Cho tam giác ABC, gọi A' là điểm đối xứng với B qua A, B' là điểm đối xứng với C qua B, C' là điểm đối xứng với A qua C. Chứng minh rằng với điểm O bat kì VẼ GIÚP MÌNH CÁI HÌNH VỚI Ạ

Vẽ đậu mầm $ $

Mình cần gấp nhé giúp mk bài 10.4* nha

hoà tan hết m(g) al trong dd hno3,thu được hỗn hợp khí (đktc) gồm 2,24l NO và 3,36l N2O tính m?

trong chuyển động tròn đều thì có tốc độ góc bằng denta (a) / denta t vậy denta a trong chuyển động tròn đều được tính theo công thức nào denta t trong cd trong đều được tính theo công thức nào