cho tam giác ABC.Gọi M,N lần lượt là trung điểm AB,AC.a)Gọi P,Q là trung điểm MN và BC .CMR a) A,P,Q thẳng hàng

giúp mk với II. Put the verbs in brackets in the correct verb tense: The Present Perfect or Past Simple. 1. I(visit) our form teacher in the hospitalalready. 2. John(read) the letter from Maryalready. 3. We(notbegin) to learn for the testyet. 4. I(meet) Robert at the supermarket thismorning. 5. Nancy(be) to Vietnam severaltimes. 6. They(notstart) the projectyet. 7. When (your father/giveup) smoking? 8. The motorbike looks clean.(you/wash) it? 9. Tom(call) his bossyesterday. 10. Myuncle(move) to Da Lat in2005. 11. We(go) ………………………to that village to dovolunteerwork severaltimes. 12. We(spend) ---------------------------our summer vacation in HaLongBay lastJuly. 13. Ourteacher(explain) ……………………to us how to usetheprinter already. 14. My pen isn’t here any more.Someone(take)…………………..it already. 15. Thepostman(deliver) the letter half an hourago. 16. Mai(notfinish) her homeworkyet. 17. They(notsee) the film Titanicyet. 18. I(hear) the good news from Mary afew minutes ago. 19. I(notsee) your brotheryet. 20. TheGreens(be) to many countries in theworldsofar. III. Findthewordwhichhasadifferentsoundinthepartunderlined 1. A. better B. prefer C. teacher D. worker 2. A. near B. hear C. dear D. bear 3. A. concert B. concern C. collect D. combine 4. A. picture B. culture C. neighbour D. tourist 5. A. dependent B. enjoy C. absent D. government 5. A. future B. return C. picture D. culture 6. A. first B. girl C. bird D. sister 7. A. burn B. sun C. hurt D. turn 8. A. nurse B. surf C. picture D. return 10. A. hot B. hour C. hotel D. hobby

giúp mik với mik đang cần gấp ạ hứa 5 sao Bài 1: Không tính số góc. Tính các tỉ số lượng giác của góc biết a) Sin=04 b) Tan=3/4 Bài 2 : Không tính số góc. Tính Cos ; Tan ; Cot ; biết Sin=7/25

Làm thế nào để xác định tầm nhìn của vật qua gương phẳng Vẽ hình mẫu và chi tiết giùm em ạ <3

giúp em 2 vd thôi ạ cảm ơn nhiều

Viết câu thành câu gián tiếp vs ạ 51. “Which of his sons inherited his estate?” asked another. 52. “Who is going to live in the big house?” enquired a third. 53.“What will happen to his race horse?” asked someone else. 54. “Which team has won?” asked Helen. 55 .“What’s your name?” Nam asked the man 56. “Why do you have to do this work?’’ He asked me...... 57. “What are you doing?” => He asked Lan…… 58. What will you do when you leave school?” => Lan asked me………….. 59. “How did you know my name?” => He asked Lan……. 60. “Why didn’t you phone me?” => He asked Lan……. 61. “When can I see the doctor?” => Lan asked me………….. 62. “Where are you going?” => He asked Lan……. 63. “Where are you going to spend the holiday?” => Lan asked me………….. 64. “How big are the classes?” => He asked Lan……. 65. “What sorts of food do they serve?” => Lan asked me…………..

giúp mk với II. Put the verbs in brackets in the correct verb tense: The Present Perfect or Past Simple. 1. I(visit) our form teacher in the hospitalalready. 2. John(read) the letter from Maryalready. 3. We(notbegin) to learn for the testyet. 4. I(meet) Robert at the supermarket thismorning. 5. Nancy(be) to Vietnam severaltimes. 6. They(notstart) the projectyet. 7. When (your father/giveup) smoking? 8. The motorbike looks clean.(you/wash) it? 9. Tom(call) his bossyesterday. 10. Myuncle(move) to Da Lat in2005. 11. We(go) ………………………to that village to dovolunteerwork severaltimes. 12. We(spend) ---------------------------our summer vacation in HaLongBay lastJuly. 13. Ourteacher(explain) ……………………to us how to usetheprinter already. 14. My pen isn’t here any more.Someone(take)…………………..it already. 15. Thepostman(deliver) the letter half an hourago. 16. Mai(notfinish) her homeworkyet. 17. They(notsee) the film Titanicyet. 18. I(hear) the good news from Mary afew minutes ago. 19. I(notsee) your brotheryet. 20. TheGreens(be) to many countries in theworldsofar. III. Findthewordwhichhasadifferentsoundinthepartunderlined 1. A. better B. prefer C. teacher D. worker 2. A. near B. hear C. dear D. bear 3. A. concert B. concern C. collect D. combine 4. A. picture B. culture C. neighbour D. tourist 5. A. dependent B. enjoy C. absent D. government 5. A. future B. return C. picture D. culture 6. A. first B. girl C. bird D. sister 7. A. burn B. sun C. hurt D. turn 8. A. nurse B. surf C. picture D. return 10. A. hot B. hour C. hotel D. hobby

Giúp em với ạ không tí thầy lại chửi em:(

Có bao nhiêu loại từ đồng nghĩa?

Cho góc mOn. Trên tia Om, lấy điểm C; trên tia On, lấy điểm D. Vẽ ra ngoài mOn^ các tia Cx và Dy song song với nhau. Tính số đo mOn^, biết OCx^ = 50° và ODy^ = 40°