1. asset (n): tài sản 2. reflect (v): phản chiếu 3. amend (v): sửa đổi 4. dedicate (v): cống hiến 5. enable (v): kích hoạt 6. consider (v): xem xét 7. aspire (n): khao khát 8. deter (v): ngăn cản 9. expedition (n): cuộc thám hiểm 10. generate (v): tạo ra 11. bombard (v): bắn phá 12. deal (n): thoả thuận 13. approach (v): tiếp cận 14. redundant (n): dư thừa 15. fulfil (v): hoàn thành 16. ambition (n): tham vọng 17. intrigue (a): tính gây tò mò 18. disposable (a): có thể phân huỷ 19. purchase (v): chi trả 20. prompt (v): khiến Tìm 1 từ đồng nghĩa với 20 từ trên

Tầng ozon có chứa gì? Viết phương trình ion gây lủng tầng ozon Nếu trái đất không còn tầng ozon sẽ ra sao? Bức xạ mặt trời có thể giết chúng ta không?

1. She doesn’t live in London because she doesn’t know anyone there → She’d ………………………………………………………………. 2. I can’t live in the country because I can’t find a job there → I’d ……………………………………………………………….. 3. I don’t have a spare ticket. I can’t take you to the concert → If I ………………………………………………………………... 4. The schoolchildren sowed some seeds, but they forgot to water them so they didn’t grow. → If the children ……………………………………………………….. 5. They don’t understand the problem. They won’t find a solution → If they ………………………………………………………… Câu điều kiên

1. Riding a bicycle along the pavement is against the law. You . 2. They declared war on the pretext of defending their territorial rights. The excuse for . 3. They stretched the rope from one side of the crevasse to the other in order to haul their equipment across. By stretching . 4. This scheme is too risky for my liking. The risks . 5. You can try to get Jim to lend you his car, but you won't succeed. There is no point . 6. He knows nearly everything about whales. There is . 7. Simon hadn't expected that he would feel so weak after the operation. The operation left . 8. You can't park here. It's a restricted area. No . 9. Failing prompt payment, the goods must be returned by you. You must either . 10. Collecting stamps gives me a lot of pleasure. I derive . 11. You haven‘t explained exactly how the money disappeared. You haven‘t accounted . 12. Only an unforeseen problem can stop the scheme now. Nothing . 13. I won't be able to hear you if you don't speak up. If youwant . 14. Apart from Philip, everyone else at the meeting was a party member. With . 15. No tuition fees are payable in any publicly-maintained school. Publicly-maintained school do . 16. Can I speak to someone about my problem? Would it be ? 17. Mrs Wilson says she is sorry she didn't attend the meeting yesterday morning. Mrs Wilson sends . 18. If you want accommodation in Brighton, you should book in advance. If you want accommodation in Brighton, it . 19. Only a few minutes remained when the winning goal was scored. There wasn't . 20. I was surprised when Mary got into university, given the fact that she hadn't worked hard at school. To my ………………………………………………………………………

1. Arthur said he was sorry he had hurt my feelings. Arthur apologized . 2. "I must see the manager," he said. He insisted . 3. To be successful in business, one must work hard. It is essential . 4. The drama critic of the "Daily News" regards the new play as a major breakthrough. According to 5. Reading science books is one of my interests. I am . 6. She discovered eight new comets in the course of her work. Her work resulted . 7. I took little notice of the girl standing at the gate. I didn‘t pay . 8. Most of the students ignore what Professor Harrison was saying. Few students . 9. No one but you and I knew who the robber was. Only you . 10. It isn‘t necessary for you to finish the work by Saturday. You . 11. I didn‘t arrive in time to see him. I wasn‘tearly . 12. The children couldn‘t go swimming because the sea was rough. The sea wastoo . 13. David Beckham is too old to play in that teenagers‘ soccer championship. David Beckham isnot . 14. He couldn‘t afford to buy the new car. The newcar . 15. The furniture was so expensive that I didn‘t buy it. The furniture was too . 16. It was so late that nothing could be done. It was too . 17. The water was so cold that the children couldn‘t swim in it. The water was not . 18. It was easy for us to find the house. We had . 19. ―Don‘t forget to phone the office,‖ she told him. She reminded . 20. You may get hungry on the train, so take some sandwiches. In ……………………………………………………………………

VI. Em hãy sắp xếp các từ sau thành câu có nghĩa ở mỗi dòng. 1. a / is / his house / there / big / In front of / garden. ______________________________________________________ 2. goes / to / bus / work / mother / My / by. ______________________________________________________ 3. Tom / every afternoon / goes / at /12.30 / school / to. ______________________________________________________ 4. glass / like / water / of / Would / you / a? ______________________________________________________ 5.I/ like / don’t / any / coffee. I / some / Can / have / orange / juice? ______________________________________________________

Trong đường lôi đổi mới của Đảng Cộng sản Việt Nam được đề ra tại Đại hội đại biểu toàn quốc lần thứ VI(12-1986), linh vực nào được xác định

Reported speech. offered, invited, asked, suggested, said 1. “Would you like to eat out with me?” Jane said to me. - Jane __________________________. 2. Jim said to Nga, “Can I carry it for you?” - Jim ______________________. 3. “Why don’t we join the meeting?” Jack said. - Jack __________________________. 4. “Please sweep the floor, Peter? I have to do the cooking,” said Mary. - Mary _________________________________ 5.“Did you meet Tim yesterday, Linda?” Kevin said. - Kevin __________________________________ Comparison 1. This car is cheaper than that one. - That car isn’t __________________. 2. This movie is more interesting than that one. - That movie isn’t_______________________. 3. Jane speaks Vietnamese more fluently than Jack. - Jack doesn’t __________________________ _______. 4. No one ran as fast as than Kevin. - Kevin ________________________________ 5. No student works as hard as Tim. - Tim is the student ________________________ Multiple choice 1. He has to narrow the trip down although / because / so he is enjoying it very much. 2. The table which / who / whose leg was broken has been repaired. 3. We should never cause / force / make others feel pessimistic. 4. Peter adores travelling, isn't he / doesn't he / didn’t he? 5. Jack said / wondered / told why the meeting had been cancelled. 6. They eat with their eyes, so you should marinate / garnish / purée the dishes. 7. I always remember the time which / where / when we spent together at that summer camp. 8. These plants will die if / unless/ although it rains. Gap fill 1. Jack never tells lies, _______he? 2. Michael Jackson was famous _______his performing style. 3. Jim doesn’t like rap music and I don’t_________. 4. Jane _______him if he would join the meeting. 5. I am very excited _______the coming game show on TV. 6. Tom isn’t satisfied with the test result and I’m not ________. 7. She _______mentioned you and your performance lately. 8. I’d like to buy a _______of lettuce, not a stick of celery. 9. _______the good meal, she didn’t eat anything. 10. Some students play games too much; ________, their study results are so bad. 11. She is fond of novels; ________, she has little time to read them. 12. That house is much _______comfortable than this one. Prepositions 1. My mother doesn’t allow me to go out alone ____night. 2. The weather is cold _____winter. 3. Your tablet is almost similar ______mine. 4. AI stands _______Artificial Intelligence. 5. I was born ______June, 2005. 6. The color of this car is quite different _____that of my car. 7. Air pollution results _______health problems. 8. He left for Ha noi _______June, 2nd, 2021. 9. I live ______54, Ngo Quyen Street. 10. _____a winter night, my grandma told me a story about Cinderella. 11. Tim got ______the bus and it began to run. 12. Do you have to look ______the house while your pảents are away? Transformation 1. No student can work out this math except Peter. - Peter is _______________________________________ 2. I have never read this book before. - This is ___________________________ 3. We couldn’t go out because of the strong storm. - The strong storm ________________________ 4. It is five years since we last met. - We _______________________. 5. We are trying our best in order to pass the coming entrance exam. - We are trying our best so that ______________________ 6. I am very excited about seeing her. - I can’t ______________ Word form 1. (geology). I’d like to know something about the _________ features of Viet Nam. 2. (recognise). Ha Long Bay gained UNESCO’s ____________of its natural beauty. 3. (locate). Can you tell me where Ponaga Cham Towers are _____________? 4. (picture). It is said Huong Pagoda is _____________. 5. (astound). The number of people attending the festival is ____________. Ask questions 1. Jack leaves for school at 6.30. 2. Kevin posted an article on the website. 3. Tim went to the supermarket to buy some food. 4. Jim is fond of story books. 5. Peter is in grade 9. 6. We must obey the traffic rules. 7. Jack drew this picture two weeks ago.

Cho parabol (P): y=1/2x² và đường thẳng (d): y=(m-1)x+m. Tìm m để (d) cắt (P) tại 2 điểm phân biệt có hoành độ x1,x2 thoả mãn: x1<2<x2

giải theo cách nếu x > hoặc < hơn cho mình