Hệ sinh thái rừng ngập mặn của nước ta phân bố chủ yếu ở vùng A. cửa sông ven biển. B. hải đảo. C. cao nguyên. D. đồi núi.

14. The switch was too high for him to reach. He wasn’t ......... .......... .......... .......... 15. She dances beautifully and sings sweetly, too. She not only ......... .......... .......... .......... 16. Despite of her dislike for coffee, she drank it to keep herself warm. Although ......... .......... .......... .......... 17. He is sorry now that he cannot go to the football match. He wishes ............... ............... ............... ............... ............... .... 18.I was busy yesterday. I could not go to the meeting. I couldn’t ............... ............... ............... ............... ............... .... 19. My mum gets up early in the morning and she is used to it. My mum is used ............... ............... ............... ............... ......... 20. You will catch a cold if you do not keep your feet dry. Unless ............... ............... ............... ............... ............... .......... 21. That meal was excellent! What .......... .......... .......... ..........! 22. Jenny doesn’t play tennis as well as she used to. Jenny used ......... .......... .......... .......... 23. Have you ever been to Thailand before? Is this you ......... .......... .......... ..........? 24. Sarah can swim further than I can. I cannot ......... .......... .......... .......... 25. I advise you to be more truthful in future

Viết một đoạn văn ngắn khoảng 5 đến 7 câu miêu tả cảnh đẹp quê hương trong đó có sử dụng từ láy và từ ghép đẳng lập (nhớ gạch chân)

IV. READING Read the passage and then decide whether the sentences are True (A) or False (B) Parents hear lots of advice about helping their family eat better, exercise more, and maintain a healthy lifestyle. So much advice, in fact, that sometimes the real message gets lost. Nemours Health and Prevention Services (NHPS), a nonprofit organization focused on children’s health, makes it easy to get the facts straight. Its formula – called 5-2-1-Almost None – helps parents and kids remember the basics of a healthy lifestyle. What involved? 5: eating 5 or more servings of fruits and vegetables daily 2: limiting screen time to no more than 2 hours a day 1: getting 1 or more hours of physical activity every day Almost none: drinking almost no sugary beverages The guidelines? In the 5-2-1-Almost None formula have been shown to help people prevent obesity, maintain a healthy weight, and improve their overall well-being. (Adapted from http://kidshealth.org/en/parents/healthy-lifestyle.html) 36. Parents sometimes don’t’ know what to do because they don’t have enough information. A. TrueB. False 37. NHPS is an organization that works for money. A. TrueB. False 38. Children should watch TV or use computer no more than 2 hours a day. A. TrueB. False 39. Sweet drink is not good for our health. A. TrueB. False 40. The 5-2-1-Almost None formula can help people enjoy life. A. TrueB. False

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Phân tích đa thức thành nhân tử 1/4xa^4 + 16xb^4

1. Con trai hỏi mẹ: “Mẹ ơi, mẹ bao nhiêu tuổi?” . Mẹ trả lời: “Tuổi con bây giờ bằng ¼ tuổi mẹ trước đây 8 năm. Sau 8 năm nữa thì tuổi con lúc đó sẽ bằng 2/5 tuổi mẹ bây giờ. Em hãy cho biết, tuổi mẹ bây giờ là bao nhiêu? -- MỌI NGƯỜI VẼ SƠ ĐỒ RA GIẤY VÀ K CẦN GIẢI BÀI ĐÂU NHA

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