Cơ chế tác dụng,ưi nhược điểm biện phán tránh thai bằng miếng dán cách sử dụng.

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REPORTED SPEECH I. Put the following sentences into Reported Speech.( Chuyển câu sạng dạng tường thuật) 1. “I have already written that letter,” my friend said.  My friend said 2. Carol said to me, “ I will ask Mr. Harris about that word.”  Carol told 3. “I know those girls quite well,” Mary said.  Mary said 4. Charles said to me, “I have to leave the office before 3.00 p.m.”  Charles told 5. Mr. Anderson said, “ I have been smoking too much recently.” 6. “Your health will improve very quickly,” the doctor said to me 7. “You must study hard for the test,” the teacher informed us 8. “I have something to show you,” he said to her 9. “You have a temperature,” the doctor said to him 10. “You’ve obviously been ill for several days,” the doctor said to me 11. “You’re much too thin,” the doctor said to him 12. “You need to stay in bed,” the doctor said to me 13. “You can phone me if you feel worse,” the doctor said to me 14. “He said to me, “My car was stolen a few weeks ago,” 15. She said, “ I went to the cinema yesterday.” 16. He said , “ I am writing a test tomorrow.” 17. They said: “ we want to assist us today.” 18. “I spoke to her yesterday.” He said 19. “My mother died of cancer in 1985,” Tom said to me 20. They said, “we were in London last week.” 21. They said, “ We have never been here before.” 22. “I worked for a bank in KG”, he said 23. You said, “ I will do this for him.” 24. “I will apply for my visa tomorrow,” she said 25. He said , “ I will have finished this paper by tomorrow.” 26. “I will come back tomorrow” he said 27. She said to me, “ I like your dress.” 28. “I am here for a short holiday,” she said 29. “I am going to New York tomorrow.” She said 30. “I’m very busy,” she said 31. “I’ll see you soon,” he said to me 32. She said tome, “ I see the children quite often.” 33. “I’m having a bath,” she said 34. “I must do my homework tonight,” he said to me 35. “I walked home after the party,” he said 36. “I’m going away tomorrow, mother, ” He said 37. “From one of the windows of my flat I can see the Eiffel Tower,” he said 38. “I enjoyed myself at the party last night,” Ann said 39. “I spoke to Jane last week,” she said 40. ‘They were here three months ago.” He said 41. Ann said, “Englishmen make good husbands because they are nearly always willing to help in the house.” 42. “I’m going to work in Spain next year,” Mary said 43. Peter said to us, “ I went there last week with my secretary.” 44. The doctor said to Ann, “ You must stay out of crowds until you stop your coughing and sneezing.” 45. He said, “ I don’t understand those two lessons at all.”  He said (that)

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Cho đường tròn (O;R) đường kính AB cố định. Trên tia đối của tia AB lấy điểm C sao cho AC=R .kẻ đường thẳng d vuông góc với BC tại C .Gọi dlaf trung điểm của OA ; qua D vẽ dây cung EF bất kì của (O;R) ,(EF không là đường kính của (O;R)) .Tia BE cắt d tại M ,tia BF cắt d tại N. a) CM tứ giác MCAE nội tiếp. b)CM BE.BM =BF.BN c) KHi EF vuông góc với AB ,tính độ dài đoạn thẳng MN theo R

Có 10tb sinh tinh tạo ra 320 tb con , qua giảm phân thì tinh trùng kết hợp với trứng tạo ra 4 họp tử, biết 100% tb con sinh ra hết tinh trùng. tính hiệu suất thụ tinh của tinh trùng? Mn giúp em với ạ😥

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Vẽ semi nhé. đẹp vào, cấm phạm luật hoidap

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Là học sinh em cần làm gì để biển đảo nước ta phát triển?? GIÚP MK VS Ạ !!