Mọi người giúp em câu 1 và câu 15 với ạ, em cảm ơn ạ Câu 1: Người ta cần trồng hoa tại phần đất nằm phía ngoài đường tròn bán kính bằngr= căn 2/2 và phía trong của một elip có độ dài trục lớn bằng 2 căn 2 và độ dài trục nhỏ bằng 2 Biết hai hình này đồng tâm và trong mỗi một đơn vị diện tích cần bón 100/(2 căn 2 -1).pi kilogam phân hữu cơ. Hỏi cần sử dụng bao nhiêu kilogam phân hữu cơ để bón cho hoa?

Đặc điểm của phong trào Dân tộc dân chủ ở Việt Nam từ sau chiến tranh thế giới thứ nhất đến năm 1930 là gì

Tính giới hạn sau. Lim n^2+2n–3/n^2.5^n+3n-1

Ai tính hộ bài này bằng cách hợp lý với a

Mình đang cần bài tham khảo về đề bài này: "Em hãy viết một bức thư gửi cho một người bạn để phòng dịch bệnh do virus Corona gây ra"

Văn bản hai con ngựa được kể theo ngôi thứ mấy ? Phương thức biểu đạt chính được sử dụng trong văn bản là gì?

Cho p và p^2 + 2 là các số nguyên tố. Chứng minh rằng: p^3 + p^2 + 1 cũng là số nguyên tố. Làm giúp mình bài này với...

Question II. Circle the best option A, B, C or D to complete each sentence. 1. Traditional Vietnamese __ usually uses fresh ingredients, little dairy and oil, and various herbs and vegetable. A. cook B. cooks C. cooked D. cooking 2. Japanese people are famous for their well- balanced and ___ diet. That is the main reason for their longevity. A. healthy B. well C. rich D. good 3. If you join a Japanese meal, you may be ___ to see how colourful dishes and arranged according to a traditional pattern. A. exciting B. excited C. excitedly D. excite 4. My mother thinks that it’s important___ a new day with a good breakfast so she always gets up early to prepare breakfast with nutritious things for us A. to get B. to start C. to decide D. to make 5. My mom says my eating habits are ___ so I’m thinking about changing them. A. healthy B. unhealthy C. healthily D. unhealth 6. Sometimes, I myself make ___ for my dinner because I think it’s tasty and healthy food. A. rice B. ingredient C. sushi D. spicy 7. A steak pie is a traditional meat pie ___ in Britain. Beef steak and gravy ae enclosed in a pastry shell an baked in the oven. A. served B. serving C. service D. serve 8. Lasagne is a traditional ___ made from layers of paste, meat sauce and tomato sauce. It’s popular over the world. A. sauce B. dish C. cake D. soup 9. A meal of Hue people has a natural combination between flavors and colors of dishes, which creates the unique_______ in the regional cuisine. A. description B. list C. feature D. part 10. You usually______ vegetables like onion. It means that you cut them into many small pieces. A. grate B. sprinkle C. chop D. whisk 11.______ has left a bicycle outside. A. Anyone B. Anything C. Someone D. Something 12. Keeping a_____ for a few days will help you discover your bad eating habits. A. food dairy B. report C. diary D. personal 13. One special feature of cuisine in Southern Vietnam is short cooking time which aims to the freshness of food. A. remain B. exist C. stay D. continue 14. Is there ______apple juice in the fridge, Quang? A. any B. some C. an D. a 15. You may have had certain eating habits for so long that you do not______ they are unhealthy. A. understand B. tell C. recognize D. realize

Question I. Circle the best option A, B, C or D to complete each sentence. 1.My students love _________ English very much. A. learn B. learnt C. learning D. to learn 2.My house __________________ yesterday. A. repaired B. is repaired C. was repaired D. were repaired 3. I don’t have a computer at home, _________I can’t get access to the Internet. A. however B. so C. although D. but 4. Don’t forget to ring me up if _________ any changes in the timetable. A. they are B. it will be C. there are D. there will be 5. _________ the weather improves, we’ll go for a walk. A. Unless B. As C. If D. Since 6. Study harder _________ A. if you will pass the exam B. and you pass the exam C. unless you pass the exam D. or you won’t pass the exam 7. If I’m tired in evenings, _________ A. I went to bed early B. I go to bed early C. I’d go to bed early D. I’d have gone to bed early 8. I won’t lend you this money_________ you promise to pay it back. A. if B. unless C. or D. or else 9. If services are increased, taxes_________ A. probably go up B. will probably go up C. probably went up D. going up probably 10. She will be ill _________ A. unless she takes a few days’ rest B. provided she takes a few days’ rest C. in case she takes a few days rest D. if she takes a few days’ rest 11. If I_________ to the store later, I’ll get you some milk. A. will go B. went C. go D. was going 12. Please turn _______ the light when you leave the room. A. on B. off C.up D. down 13.If I _________________free time , I will go swimming. A. have B. has C. is having D. will have 14.My sister started_________ English five years ago. A. learn B. learnt C. learning D. to learn 15.They have seen this film, _________________ A. do they B. don’t they C. haven’t they D. have they

Question I. Find the word which has different sound in the part underlined. 1. A. what B. where C. whole D. why 2. A. out B. round C. about D. would 3. A. listened B. stayed C. wanted D. played 4. A. humor B. history C. hour D. hobby 5. A. worked B. naked C. liked D. looked Question II. Find the word which has different stress pattern from the others. 1.A. person B. father C. teacher D. enjoy 2. A. happen B. enjoy C. destroy D. agree 3.A. advise B. permit C. picture D. expect 4.A. erupt B. visit C. listen D. open 5.A. depend B. advise C. affect D. listen