HOT Đua top môn toán iconicon avatar Toán HọcLớp 910 điểm ·huynhthien230 - 9 phút trước Cho đường tròn O đường kính AB .Gọi I là trung điểm của AO, qua I vẽ dây CD vuông góc với AB; K là trung điểm của đoạn BC. a) Chứng minh tứ giác CIOK nội tiếp. b) Chứng minh IC.ID=IA.IB. c) Chứng minh ba điểm D,O,K thẳng hàng. d) Tính diện tích tam giác CBD nếu cho đường tròn tâm O bán kính = 1.

Nhà Hán làm gì để thực hiện mục đích đồng hóa dân tộc ta

V. Each sentence has a spelling mistake. Underline and correct it 1. I asked Tom weather his brother was living in Washington. ______ 2. Quynh sugested that they should look for information about the Taj Mahal. ______ 3. The stranger explaned everything to me very carefully. ______ 4. The ancient Egyptians built the pyramids many centeries ago ______ 5. Angkor Wat in Cambodia was a part of a roial Khmer city a long time ago. ______ 6. Although it is summer, it is quiet cool in my hometown at night. _____ 7. We tried to rich the nearest village before the sunset. ______ 8. This aera is more than three thousand meters above sea level. ______ 9. If you can't guest the correct answer, I'll win the game. ______ 10. This temple was built to honnor a god who helped defend the village.

Hệ thần kinh của động vật nào sau đây là tiến hóa nhất ? * A.Cá chép. B.Cá đuối. C.Cá sấu. D.Cá voi.

5. Nam has a broken leg _________ he fell over while he was playing basketball. A. although B. because C. because of D. despite 6. The man walked _________ to the park because of his hurt leg. A. quick B. quickly C. slow D. slowly 7. To save money, I suggest using showers _______ of baths. A. forward B. with C. instead D. in 8. I want to go swimming now _________ I have to finish the assignments. A. and B. but C. therefore D. because 9. She is really unhappy because she has to _________ her baby sister all day. A. look after B. look for C. look at D. take after 10. He is famous for his _________. He is very helpful to those less fortunate than himself. A. kind B. unkind C. kindly D. kindness 11. Air _________ is often seen as a major environmental result of modern living. A. pollution B. smoke C. fume D. sewage 12. I telephoned the station to make ________of the time of the train. A. sure B. true C. real D. right 13. I fell and hurt myself _________ I was playing tennis. A. while B. during C. if D. because 14. Mr. Dung will be leaving________ Son La on Sunday. A. in B. at C. from D. for 15. We often go to the town _________ house. A. cultural B. culture C. culturally D. all are correct 16. The number of people killed in the tsunami last year _________ more than 200,000. A. were B. was C. is D. are 17. They learn English _________ they intend to go abroad. A. and B. or C. so D. because 18. Tet is a festival which gives us a chance to have family ________. A. congratulations B. reunions C. relatives D. disappointments 19. It is ________ a good book that I want to read it many times. A. so B. such C. very D. too 20. If we don’t _______ on electricity, there will be power cut. A. economic B. economics C. economical D. economize III. Choose the underlined word or phrase in each sentence that needs correction. 21. <There> are <thousand> of different <types> of <orchids>. A B C D 22. After <living> in London <for> two months, my <brother> got used to <drive> on the left. A B C D 23. Her sister <knows> <how> <preparing> <French> food. A B C D 24. <If> you study <hard>, you won’t <pass> <the> examination. A B C D 25. <Even though> being <ill>, Phong still <went> to school <last> Monday. A B C D

E hãy tả lại cây hoa mai ( hoa đào) trong dịp tết vừa qua

1. Xác định hành động nói cho những câu in đậm sau. Cho biết chúng thuộc nhóm hành động nào? a. Chị Dậu rón rén bưng một bát lớn đến chỗ chồng nằm: -Thầy em hãy cố ngồi dậy húp ít cháo cho đỡ xót ruột. b. Một hôm, cô tôi gọi tôi đến bên cười hỏi: – Hồng! Mày có muốn vào Thanh Hoá chơi với mẹ mày không? c. Chị Dậu nghiến hai hàm răng: – (1) Mày trói ngay chồng bà đi, (2) bà cho mày xem! d. Thấy thế, tôi hốt hoảng quỳ xuống, nâng đầu Dế Choắt lên mà than rằng: – Nào tôi đâu biết cơ sự lại ra nông nỗi này! e. Tôi nghe thấy thầy Ha-men bảo tôi: – Phrăng ạ, thầy sẽ không mắng con đâu. g. Có người khẽ nói: – Bẩm, dễ có khi đê vỡ!

Bài 3 : Trong các cách viết sau , cách viết nào đúng a . -3 < 0 b. 5 > -5 c . -12 > -11 d. |9| = 9 e. | -2004 | < 2004 f. |-16|< |-15| Bài 4 : Tìm x , biết : a . |x - 5 | = 3 b. | 1 - x | = 7 c. | 2x + 5 | = 1 Bài 5 : So sánh a . | -2 | mũ 300 và | -4 | mũ 150 b. |-2 | mũ 300 và | -3 | mũ 200 Làm ơn giúp mik !!!

I, Complete using the correct form of the phrasal verbs given. come across come along come into come round come up with 1. ………………………………………………! We’re going to miss the bus. 2. When did Jane ……………………………………………… this idea? It’s perfect! 3. If you ……………………………………………… that CD, could you buy it for me? 4. Simon ……………………………………………… a lot of money after his grandfather’s death. 5. It took the boxer five minutes to ……………………………………………… after he was knocked out. II, . Complete using the correct form of the words in bold type. EXCITE WONDER ADMIRE COMBINE DEVELOP FIVE POPULAR CROWD ENTHUSE ASSURE WE ARE THE CHAMPIONS! The (57) ……………………………… game between the Dragons and the Tigers is over. The Tigers’ failure to win of course means that they won’t play in the finals. The Dragons played a (58) ……………………………… game and earned everyone’s (59) ……………………………… Their (60) ……………………………… of tactics and strength definitely helped them win. Due to the continuous (61) ……………………………… of new strategies by their coach, this will be the (62) ………………………… year in a row that the Dragons will play in the final. Their (63) ……………………………… has increased over the years and there is no doubt that Hillbell Stadium will be (64) ……………………………… with (65) ……………………………… fans on the day of the final. If they play like today, they are (66) ……………………………… to be successful.

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