Xá lc định hàm số y=3x+(k mủ 2-k+1) có giá trị bằng -2 .tìm k

so với cách mạng tư sản Anh em thấy có điểm nào giống và khác nhau so với cách mạng tư sản Anh ở Bắc Mĩ

Tìm hiểu thông tin về đồ gốm thời trần và thời lý So sánh đặc điểm đồ gốm thời trần và thời lý Mn làm giúp mk như một bài thuyết trình ạ

TEST 1 I. Choose the words that have different pronunciation from other words: 1. A. worked B. stopped C. wanted D. kissed 2. A. forms B. chairs C. seats D. keys 3. A. crooked B. laughed C. escaped D. touched 4. A. pigs B. plants C. tables D. computers 5. lifted B. lasted C. happened D. decided 6. A. beaches B. watches C. sinks D. lunches 7. collected B. changed C. viewed D. formed 8. A. rulers B. pencils C. bags D. books 9. walked B. entertained C. reached D. looked 10. A. matches B. balls C. brushes D. peaches II. Choose the best answer: 1. Hoa's new school is ........................... than her old school. A. very big B. big C. biger D. bigger 2. We have math .................... Tuesday morning. A. in B. at C. on D. of 3. Hoa doesn't ..................... any friends in Ha Noi. A. is B. has C. have D. does 4. We go to work ............................. bus every day. A. on B. by C. in D. to 5. Mi: What ....................... your father do, Ha? Ha: He’s a policeman. A. is B. do C. are D. does 6. They . . . . . the flowers in the garden now. A. are cutting B. are cutting C. cut D. is cutting 7. Trinh. . . . . to visit her old teacher yesterday evening. A. was going B. goes C. went D. is going 8. Mary wishes she ____________a bird now. A. were B. was C. would be D. had been 9. If you study hard, you ________pass the next exam. A. can B. could C. would D. had 10.I . . . . . . . . him since yesterday. A. has seen B. haven't seen C. hasn't seen D. is seeing 11. He was born . . . . . . April 25, 1993. A. on B. at C. in D. at 12. Lan is ______________girl in my class. A. the most beautiful B. the more beautiful C. beautifuler D. much beautiful 13.The boys like. . . . . . . soccer after school. A. playing B. play C. played D. plays 14. She is a. . . . . . . . girl A. beautiful B. more C. beautifully D. beauty 15. This lesson is …………. . than the last one A. easyer B. easier C. easy D. the easy 16. I have known her _________ two years. A. with B. for C. since D. in 17. Yesterday morning my mother _______ me a new bicycle as my old one _______ stolen. A. bought-was B. bought-had been C. had bought-was D. had bought-had been 18. My sister is as ___________ yours. A. tall as B. more tall C. tallest D. tall so 19. If the sun shines, we ___________ to the town. A. would walk B. will walk C. walks D. are walking 20. Nhung often goes fishing in ____________ free time. A. her B. my C. your D. his III. Read the passage and answer the question: Our neighbor, Mr. Duong , will sail from Cam Ranh tomorrow. We will meet him at the harbor early in the morning. He will be in his small boat, Lac Viet. Lac Viet is a famous little boat. Mr. Duong will leave at eight o’ clock, so we will have a lot of time . We will see his boat and then we will say goodbye to him. He will be away for two months. We are very proud of him . We will take part in an important race across the Atlantic. 1. Who will you meet at Cam Ranh Habor early tomorrow morning ? A. Mr. Duong B. Ms. Duong C. no one 2. Where will he be ? A. in his small boat B. in his own house C. my villa 3. What time will he leave ? A. at mid-night B. at six o’clock C. at eight o’clock 4. Will you say goodbye to him or will you travel with him ? A. No, I won’t B. Yes, I will C. I don’t know 5. What will you take part in? A. a beauty contest B. an important race C. a singing contest

giúp mình với ạ mình cần gấp lắm TT

1, cho hàm số y=(m mu2-2m+3)x+8. a,Hàm số đã cho là hàm số đồng biến hay nghịch biến trên tập số thực R vì sao? b,biết đồ thị hàm số đi qua điểm A(1;4)

Các anh chị giúp em với ạ em chân thành cảm ơn

Cho 20(g)hỗn hợp X gồm Mg, Zn, Al tác dụng với dung dịch H2SO4 loãng vừa đủ thu được m(g) muối khan và 8,96 (l) khí (đktc). Xác định m

Cm hộ mk bđt này not bấm máy tính ạ

Mn giúp mình với ạ.mình sẽ vote 5 sao