Bài 1: Cho góc xOy, có Ot là tia phân giác. Lấy điểm A trên tia Ox, điểm B trên tia Oy sao cho OA=OB. Vẽ đoạn thẳng AB cắt Ot tại M. Chứng minh: a) tam giác OAM = tam giác OBM b) AM = BM; OM vuông góc AB c) OM là đường trung trực của AB d) Trên tia Ot lấy điểm N. Chứng minh NA=NB Bài 2: Cho tam giác ABC vuông tại A, trên tia đối của tia CA lấy điểm K sao cho CK=CA, từ K kẻ KE vuông góc với đường thẳng AC. Chứng minh: a) AB//KE b) góc ABC = góc KEC; BC=CE Bài 3: Cho góc nhọn xOy. Trên tia Ox lấy 2 điểm A, C. Trên tia Oy lấy 2 điểm B, D sao cho OA=OB, AC=BD. a) Chứng minh: AD=BC b) Gọi E là giao điểm AD và BC. Chứng minh: tam giác EAC = tam giác EBD c) Chứng minh: OE là phân giác của góc xOy, OE vuông góc CD Bài 4: Cho tam giác ABC có góc B=90 độ, gọi M là trung điểm của BC. Trên tia đối của tia AM lấy điểm E sao cho ME=MA. a) Tính góc BCE b) Chứng minh BE//AC

cần gấp hứa 5 sao I.Complete these sentences with the question words. 1……………sits next to Frank? Clara. 2. …………. does the boy come from? He's from Newcastle. 3…………… old are her children? They are seven and ten. 4. ………….. is Peter's birthday? In April, I think. 5. ………….. much is the shirt? It's twenty pounds. 6………….. is best at playing tennis? It's Bob. 7. …………. are you going? I'm going to my friends. 8………….. is an orange juice? It's fifty pence. 9. ………… does the restaurant open? It opens at six o' clock. 10………… can I get some ice cream? You can get some at the snack bar. 11. ……….. are you going to order? Fish and chips. 12………… are you going to do on Saturday? I don't know. 13…………has got my pullover? I have got it. 14. ……….. is your name? Carol. 15. ……….. is Susan's party? It's on Friday. II.Choose the best answer: 1.______many students are there in the class? A.How B.What C.Who 2._______has stolen my chocolate? A.Which B.Who C.Whose 3.________is the train station? A.Where B. When C.Which 4.________is the news coming on TV? A.Where B.When C.Who 5.________time does class start? A.What B.When C.How 6._______pen is yours? A.Who B. How C. Which 7._______old is your brother? A. How B. When C. What 8.______didn’t you come to class today? A. Why B. When C. How 9._______much sugar do you take in your coffee? A. Who B. How C. What 10.______is your favorite animal? A. Whose B. What C. How

1, Tìm nét đẹp và không đẹp của nhân vật Dế Mèn . 2. Ở đoạn cuối chuyện sau khi chôn cất Dế Choắt , Dế Mèn đứng lặng hồi lâu trước nấm mồ của người bạn xấu số . Em thử hình dung tâm trạng của Dế mèn và viết một đoạn văn diễn tả tâm trạng ấy theo lời của dế mèn . Các bạn giúp mình với . Tối mình phải nộp rồi . Đầy đủ , chi tiết và ko chép mạng nhé . Hứa sẽ vote 5 sao , cảm ơn và câu trả lời hay nhất . Cảm ơn nhiều .

I. Write the comparative form of the adjective or adverb in brackets. Use than where necessary. 1. They’ve made these chocolate bars smaller. (small) 2. Sport is more interesting than politics. (interesting) 3. We could have found the place........... with a map. (easily) 4. I was feeling tired last night, so I went to bed.......... usual. (early) 5. The weather is getting ............ (bad) 6. Health and happiness are .............money. (important) 7. You need to draw it............. . (carefully) 8. I like living in the country. It’s ...........living in the town. (peaceful) 9. We can’t hear. Could you speak a little .........? (slowly) 10. I can’t stay........... half an hour. (long) 11. A cellphone would be a............... present. (useful) 12. It’s a long way from here to the station .............I thought. (far) 13. Can’t you think of anything............ to say? (intelligent) 14. It was........... usual in town today. (busy) 15. Unfortunately her illness was............. we thought at first. (serious) II. Comment on these situations. Write sentences with a comparative and than. Use these adjectives: big, fast, expensive, long, old, popular, strong, tall, cold, far, had, early, frequently, busy, high. 1. Yesterday the temperature was nine degrees. Today it’s only six degrees. Its colder today than it was yesterday. 2. The journey takes four hours by car and five hours by train. Travelling by car is 3. Chris and Joe both did badly in the exam. Chris got 20% but Joe only got 15%. Joe did 4. I expected my friends to arrive at about 4 o’clock. In fact they arrived at 2:30. My friends 5. The film lasts two and a half hours, but the videotape is only two hours long. The film 6. The cassette is $11,000, and the CD is $18,000. The CD 7. Dave and I went for a run. I ran ten kilometers. Dave stopped after eight kilometers. Iran______________________________________________________________________ 8. The castle was built in 1878 and the church in 1925. The castle 9. Mike is 1.7 meters tall, but Harriet is 1.8 meters. Harriet 10. Andrew hasn’t many friends. Claire has lots of friends. Claire 11. Marie’s car has room for five people, but Sandra’s has room for only four. Marie’s car 12. Sears Tower in Chicago is 442 meters high. Petronas Twin Towers in Kuala Lumpur is 452 meters high. Petronas Twin Towers 13. We were very busy at work today. We’re not usually as busy as that. We 14. You can go by bus or by train. The buses run every 30 minutes. The trains run every hour. The buses 15. Daniel can lift 90 kilos, but Matthew can lift 120 kilos. Matthew

Nêu cảm nghĩ của em về một nhân vật văn học mà em yêu thích. Hãy nêu các bước tạo lập văn bản trên. Không chép mạng.

II. TỰ LUẬN (7 điểm) Câu 7( 4 điểm):Vận dụng tính chất cơ bản của phân số hãy giải thích vì sao các cặp phân số sau bằng nhau. A, 5. -12. B, -12. -16 ----- = ------- ------- = ------- -12. 48. 30. 40    -18 Câu 8( 3 điểm):Tìm phân số bằng ----- sao 81 Cho a) Tử của phân số đó là 54 b) Mẫu của phân số đó là 9

nhận xét về phong trào vũ trang chống pháp cuối thế kỉ XIX

Luận điểm quan trọng trong văn bản tinh thần yêu nước của nhân dân ta là gì? Sức mạnh to lớn mà Bác muốn khẳng định là gì?

mn ơi mk đang gấp. xin mn giúp cho cảm ơn nhìu mk sẽ vote5* cho mn nha

1 Mark the letter A, B, C or D to indicate the most suitable response to complete each of the following exchanges. “My favorite leisure activity is people watching.” “_______” A: That’s all right. B: OK. That’s very kind of you C: That sounds so weird! D: Sure. It’s very entertaining. 2 Choose the word whose underlined part is pronounced differently from the others. A: found B: out C: sound D: enough 3 Choose the best answer a, b, c or d to complete the sentence. Question 5. How much time do you spend _______ leisure activities? A: on B: for C: with D: in 4 Read the passage carefully, then choose the correct answers. The latest addiction to trap thousands of people is the Internet, which has been blamed for broken relationships, job losses, financial ruin, and even suicide. Psychologists now recognize Internet Addiction Syndrome (IAS) as a new illness that could cause serious problems and ruin many lives. IAS is similar to other problems like gambling, smoking and drinking: addicts have dreams about the Internet; they need to use it as the first thing in the morning; they lie to their parents and partners about how much time they spent online; they wish they could cut down, but are unable to do so. A recent study found that many users spend up to 40 hours a week on the Internet. Some of the addicts are teenagers who are already hooked on computer games and who find it very difficult to resist the games on the Internet. Internet addicts find it hard ___________. A: to use the Internet in the morning B: to spend more time on the Internet C: to lie about the time they spent online D: to spend less time on the Internet 5 Read the passage carefully, then choose the correct answers. The latest addiction to trap thousands of people is the Internet, which has been blamed for broken relationships, job losses, financial ruin, and even suicide. Psychologists now recognize Internet Addiction Syndrome (IAS) as a new illness that could cause serious problems and ruin many lives. IAS is similar to other problems like gambling, smoking and drinking: addicts have dreams about the Internet; they need to use it as the first thing in the morning; they lie to their parents and partners about how much time they spent online; they wish they could cut down, but are unable to do so. A recent study found that many users spend up to 40 hours a week on the Internet. Some of the addicts are teenagers who are already hooked on computer games and who find it very difficult to resist the games on the Internet. The word ‘it’ in paragraph 2 refers to ___________. A: dream B: computer C: the Internet D: IAS 6 Read the passage carefully, then choose the correct answers. The latest addiction to trap thousands of people is the Internet, which has been blamed for broken relationships, job losses, financial ruin, and even suicide. Psychologists now recognize Internet Addiction Syndrome (IAS) as a new illness that could cause serious problems and ruin many lives. IAS is similar to other problems like gambling, smoking and drinking: addicts have dreams about the Internet; they need to use it as the first thing in the morning; they lie to their parents and partners about how much time they spent online; they wish they could cut down, but are unable to do so. A recent study found that many users spend up to 40 hours a week on the Internet. Some of the addicts are teenagers who are already hooked on computer games and who find it very difficult to resist the games on the Internet. What is the best title of the passage? A: Hooked on the Net B: Impact of Internet on teens C: The advantage of the Internet D: A guide to the Internet