1/3.4-1/4.5-1/5.6-....-1/78.79-1/79.80 tính nhanh giúp em với

1. She said to Nam: “Come into my office, please. ” A. She told Nam to come into her office. B. She told Nam to come into my office. C. She said Nam come into her office, please. D. She said Nam come into my office, please. 2. The traffic policeman said, “Show me your driving license, please. ” A. The traffic policeman asked to show me your driving license, please. B. The traffic policeman suggested to show him your driving license. C. The traffic policeman suggested showing him my driving license. D. The traffic policeman asked to show me his driving license. 3. Mrs. Jackson said to Alice, “Could you give me a hand, please” A. Mrs. Jackson said Alice if she could give her a hand. B. Mrs. Jackson told Alice to give her a hand. C. Mrs. Jackson asked to Alice to give her a hand. D. Mrs. Jackson cursed Alice if she could give her a hand. 4. Nam said to the taxi driver, “Please turn left at the first traffic light. ” A. Nam asked the taxi driver please turn left at the first traffic light. B. Nam said the taxi driver to turn left at the first traffic light. C. Nam asked the taxi driver turning left at the first traffic light. D. Nam told the taxi driver to turn left at the first traffic light. 5. The police said, “Don’t touch anything in the room. ” A. The police commanded us not to touch anything in the room. B. The police advised to not touch anything in the room. C. The police said not touch anything in the room. D. The police asked not touching anything in the room. 6. Mary said to John, “Can you carry my suitcase, please?” A. Mary ordered John if he could carry my suitcase, please. B. Mary asked John if he could carry my suitcase, please. C. Mary had John carry her suitcase. D. Mary suggested John to carry her suitcase, please. 7. “Would you like to have dinner with me?”, Miss Hoa said to me A. Miss Hoa asked me if would I like to have dinner with her? B. Miss Hoa suggested me if I would like to have dinner with her or not. C. Miss Hoa told me to like to have dinner with her or not. D. Miss Hoa invited me to have dinner with her. 8. “You should stay in bed”, I said to him. A. I said him he should stay in bed. B. I advised him to stay in bed. C. I prayed him to stay in bed. D. I ordered him you should stay in bed. 9. My mother told me “You should visit your grandmother tomorrow” A. My mother told me I should visit your grandmother tomorrow. B. My mother invited me to visit my grandmother tomorrow. C. My mother advised me to visit my grandmother the day after. D. My mother urged me visiting my grandmother the next day. 10. His sister said, “I don’t buy this book. ” A. His sister said I don’t buy this book. B. His sister said she didn’t buy this book. C. His sister said I didn’t buy that book. D. His sister said she didn’t buy that book. 11. They said, “We have to try our best to win the match. ” A. They said we have to try our best to win the match. B. They said we have to try their best to win the match. C. They said they had to try their best to win the match. D. They said they had to try our best to win the match. 12. “I will expect to see you next Wednesday”, said Mary to her boy friend. A. Mary sai to her boy friend she would expect to see you the following Wednesday. B. Mary promised her boy friend that she would expect to see you the following Wednesday. C. Mary expected to see her boy friend the following Wednesday. D. Mary told boy her friend that she would expect to see him the next Wednesday. 13. “She is my friend”, I said to Nam. A. I said to Nam she is my friend. B. I told to Nam she was my friend. C. I told Nam she was my friend. D. I asked Nam if she was my friend. 14. “Do you enjoy reading books?”, Phong asked Peter. A. Phong asked Peter if he enjoyed reading books. B. Phong asked Peter whether he enjoys reading books or not. C. Phong asked Peter if he enjoyed reading books or not. D. Phong asked Peter whether did he enjoy reading books. 15. “Does she like sports?”, Hoa asked Lan. A. Hoa asked Lan whether she liked sports or not. B. Hoa asked Lan if she liked sports or not. C. Hoa asked Lan whether did she like sports. D. Hoa asked Lan if did she like sports. 16. “Can you ride your bicycle to school?”, Tom said to Tuấn. A. Tom said to Tuấn if he could ride your bicycle to school. B. Tom told to Tuấn if he could ride his bicycle to school. C. Tom asked Tuấn if he could ride his bicycle to school. D. Tom advised Tuấn whether he could to ride his bicycle to school.

Hãy đóng vai nhà văn Mác - két, viết 1 bài than luận chứng tỏ chiến tranh hạt nhân là đi ngược lại lý trí con người, lý trí tự nhiên

Chứng minh tính chất về dấu giá trị tuyệt đối: |x| + |y| ≥ |x + y|. Dấu "=" xảy ra khi xy ≥ 0 Giúp em với anh chị ơi!

Câu 1. Hãy trình bày phương pháp sử dụng bản đồ và Atlat trong học tập. Câu 2. Vì sao cần phải hiểu mối quan hệ giữa các yếu tố địa lí trong Atlat? giúp mình với ạ

Hãy sắp xếp các câu sau đây thành một đoạn văn trình bày nội dung theo cách diễn dịch hoặc quy nạp: (1) Gió thổi vi vu làm các cành cây đu đưa một cách nhẹ nhàng, yểu điệu. (2) Mặt trời chênh chếch rọi xuống biển nước triệu giọt sương trên lá cây ngọn cỏ thành những hạt ngọc nhấp nháy. (3) Những con suối trong vắt chảy róc rách, họa vần với những giọng líu lo của hàng nghìn, hàng vạn con chim rừng. (4) Ở vùng này, lúc hoàng hôn và lúc tảng sáng phong cảnh rất nên thơ. (5) Nhiều khi người ta ngửi thấy mùi thơm của hoa và nhựa cây từ xa bay đến phảng phất và nhẹ nhàng. (6) Trên trời xanh biếc có vài đám mây trắng đủng đỉnh bay giống hệt nhưng con thuyền buồm khoan thai lướt trên mặt biển...

So sánh A và $\sqrt[]{a}$ Biết A = √x - 3 / 0√x + 1

mn giúp mình giải câu này vs ạ.

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1 người đi từ a tới mất 4 giờ và quay trở về A mất 5 giờ, biết vận tốc lúc về chậm hơn vận tốc lúc đi là 10km/h. tình quãng đường ab