Bài 1. (4 đ) Đưa các phương trình sau về dạng ax2+ bx + c = 0 và chỉ rõ các hệ số a, b, c a/ 3x^2+ x = 5 – x b/ 2x^2+ 5x – 2 căn 3=căn 3 x +1 c/ 4x^2 – 5x = 3 – 5x d/ x^2+ m = 2(m+1)x

Dựa vào bài Bức tranh của em gái tôi, hãy nêu diễn biến tâm trạng của người anh từ đầu đến khi nhìn bức tranh trong triển lãm.

Đang hok online khứu help me pls huhuhu a. have b. shall have c. will have had d. will be having While her husband was in the army, Janet________ to him twice a week. 1 điểm a. was writing b. wrote c. was written d. had written Her family________ to America since 1975. 1 điểm a. went b. have gone c. has gone d. would go We_______ English this time next Monday. 1 điểm a. learn b. will learn c. are learning d. will be learning By the age of 25, he _______ two famous novels. 1 điểm a. wrote b. writes c. has written d. had written Mục khác: When I arrived at the party, Martha________ home. * 1 điểm a. went b. has gone was going d. would go After you finish your work, you________ a break. 1 điểm a. have taken b. might have taken c. takes d. will take Mục khác: We_______ this course before the final examination. 1 điểm a. are going to finish b. have finished c. will finish d. will have finished Yesterday morning I got up and looked out of the window. The sun was shinning but the ground was very wet. It________ 1 điểm a. rained b. has been raining c. had rained d. had been raining This time last summer my family ........... a vacation in Ha Long Bay 1 điểm spend was spending spent had spent Look that those black clouds! It________ 1 điểm a. is going to rain b. will rain c. would rain d. can rain I couldn't cut the grass because the machine_______ a few days previously. 1 điểm a. broken down b. has been broken had broken down d. breaks down We ________English at this time last week. 1 điểm a. learned b. were learning c. have learned d. had learned Ask her to come ad see me when she _______ her work. * 1 điểm a. finishes b. finish c. finished d. finishing I shall be glad when he________ 1 điểm a. had gone b. did go c. went d. goes Oil _____ if you pour it on water 1 điểm a. floated b. floats c. will be floated d. float Henry_______ for 10 years 1 điểm a. has smoked b. was smoking c. had smoked d. had been smoking' Tùy chọn 1 Almost everyone_______ for home when we arrived. 1 điểm a. were leaving b. left c. leaves d. was leaving Is it raining? - No, it isn't but the ground is wet. It________ 1 điểm a. rained b. had rained c. has rained d. is raining That dancing club_______ north of the city 1 điểm a. lays b. lies c. locates d. lain

Chuyển những câu miêu tả sau thành câu tồn tại. A.Trên đỉnh cột cờ Hà Nội,lá cờ đỏ sao vàng phấp phới tung bay. B.Trong buổi bình minh,một cánh buồm đỏ thắm thấp thoáng ngoài khơi xa. C.Bên vệ đường,một cây gạo sừng sững. D.Chỉ một vài hôm,trên những cành khẳng khiu,lộc non đã mơn mơn. <Jup mik nha,nghỉ dịch cô giao bài tập trc mak ko bik lm sao.

Giúp e câu 1 và 2 ạ giúp e vs thanks trước

Nêu những nét nổi bật của nước Mĩ giữa 2 cuộc chiến tranh thế giới

Bài tập 5: trắc nghiệm câu điều kiện 1. If I ____the same problem you had as a child, I might not have succeeded in life as well as you have. A. have B. would had C. had had D. should have 2. I ___ you sooner had someone told me you were in the hospital. A. Would have visited B. visited C. had visited D. visit 3. ___ more help, I could call my neighbor. A. needed B. should I need C. I have needed D. I should need 4. __then what I know today, I would have saved myself a lot of time and trouble over the years A. Had I known B. Did I know C. If I know D. If I would know 5. Do you think there would be less conflict in the world if all people___the same language? A. Spoke B. Speak C. Had spoken D. Will speak 6. If you can give one good reason for your acting like this,___ this incident again. A. I will never mention B. I never mention C. Will I never mention D. I don’t mention 7. I did’n know you were asleep. Otherwise, I___ you so much noise when I came in A. Did’n make B. Wouldn’t have made C. Won’t make D. Don’t make 8. Unless you ___ all of my questions, I can’t do anything to help you A. Answered B. answer C. would answer D. Are answering 9. Had you told me that this was going to happen, I ___it A. Would have never believed B. Don’t believed C. Hadn’t believed D. Can’t believed 10. If Jake___ to go on the trip, would you have gone? A. Doesn’t agree B. Didn’t agree C. Hadn’t agreed D. Wouldn’t agree 11. When I stopped talking, Sam finished my sentence for me as though he__ my mind A. Would read B. Had read C. Reads D. Can read 12. If you___, I would have brought my friends over to your house this evening to watch TV, but I didn’t want to bother you. A. Had studied B. Studied C. Hadn’t been studying D. Didn’t studying 13. I wish I___ you some money for your rent, but I’m broke myself A. Can lend B. Would lend C. Could lend D. Will lend 14. If someone ___in to the store, smile and say, “May I help you?” A. Comes B. Came C. Would come D. Could come 15. “ Here’s my phone number.” Thanks. I’ll give you a call if I ___ some help tomorrow” A. Will need B. Need C. Would need D. Needed 16. If I weren’t working for an accounting firm, I___ in a bank. A. Work B. Will work C. Have worked D. Would be working 17. The death rate would decrease if hygienic conditions ____ improved A. Was B. Is C. Were D. Had been 18. The education in Japan ___ if the basic principles of education had not been taken into consideration A. Would go down B. Would have gone down C. Went down D. Had gone down 19. If there ___ the rice fields could have been more productive A. Had been enough B. Were enough water C. Would be enough water D. Are enough water 20. The patient could not recover unless he ___ an operation. A. Had undergone B. Would undergo C. Underwent D. Was undergoing

1) Có bao nhiêu cách để thu khí oxi. 2) Trong các phản ứng sau, phản ứng nào là phản ứng phân hủy: a) 2Fe(OH)3 —> Fe2O3 + 3H2O b) P2O5 + 3H2O —> 2H3PO4 c) Na2O + 2HCl —>NaCl + H2O

cho tam giác ABC vuông tại A, phân giác BF. Từ điểm I nằm giữa B và F vẽ đường thẳng song song với AC cắt AB, BC lần lượt tại M và N. Vẽ đường tròn ngoại tiếp tam giác BIN cắt AI tại D. Hai đường thẳng DN và BF cắt nhau tại E. Chứng minh: a) 4 điểm A, B, D, E cùng thuộc 1 đường tròn b) 5 điểm A, B, C, D, E cùng thuộc 1 đường tròn. Từ đó => BE vuông góc với CE

XII. Writing: (For good students only – Chỉ dành cho HSG) Think of a film you have seen. Write a film review. Your review should be at least 100 words long. Use the following guides to help you in your review. • In the first paragraph, introduce the title of the film and say what kind of film it is. • In the second paragraph, introduce the main characters. • In the third paragraph, introduce the plot (tell the story briefly). • In the fourth paragraph, write about one part of the film that you like. • In the last paragraph, write what you think of the film. GIÚP MK VỚI Ạ, THANKS NHIềuuuuu, HỨA SẼ VOTE ĐẦY ĐỦ