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ntthuyen167
2 năm trước
một bể cá hình hộp chữ nhật làm bẳng kính ( không nắp) có chieu dài 9dm , chiều rộng 60cm, chiều cao 4,5dm. a) tính diện tích kính dùng để làm bể cá đó . b) mực nước trong bể cao bằng 5/6 chiều cao của bể . tính thể tích nước trong bể đó . ( độ dày kính không đáng kể )
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I/ đâu là S,V,O và câu đó là thì gì 1. Mary types letters in the office. -…………………………………… 2. His father will help you tomorrow. -…………………………………………. 3. Science and technology have completely changed human life -…………………………………………….. 4. Peter broke this bottle. -……………………………………………… 5. They are learning English in the room. -…………………………………….. 6. Nothing can change my mind. -………………………………………. 7. No one had told me about it. -……………………………………………… 8. I don’t know her telephone number -……………………………………………………. 9. My students will bring the children home. -…………………………………………………. 10. They sent me a present last week. -………………………………………….. 11. She gave us more information. -…………………………………………………………………………. 12. The chief engineer was instructing all the workers of the plan -…………………………………………….. 13. They can’t make tea with cold water.-………………………………………………. 14. Somebody has taken some of my books away.-……………………………….. 15. They will hold the meeting before May Day.--………………………………. 16. They have to repair the engine of the car.-……………………………………………. 17. The boys broke the window and took away some pictures.-…………………………………. 18. People spend a lot of money on advertising every day.-……………………………………. 19. Teacher is going to tell a story.-.-……………………………………. 20. Mary is cutting a cake with a sharp knife.-…………………………………………-. 21. The children looked at the woman with a red hat.--………………………………………. 22. They have provided the victims with food and clothing.-………………………………………… 23. People speak English in almost every corner of the world.-…………………………………… 24. You mustn’t use this machine after 5:30 p.m.-……………………………………….. 25. After class, one of the students always erases the chalk board.-…………………………………

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