Nửa chứ vi một khu vườn hình chữ nhật là 0,45 km. Chiều rộng bằng chiều dài. Tính diện tích khu vườn đó bằng mét vuông, bằng héc-ta.

“ Tinh thần yêu nước cũng như các thứ của quý...công việc kháng chiến” của bài Tinh thần yêu nước của nhân dân ta lớp 7 Ngữ Văn tập 2 a.Đoạn văn trên có luận điểm là gì? b.Sử dụng phép so sánh trong câu“Tinh thần yêu nước cũng như các thứ của quý” có tác dụng gì? c.Trong đoạn văn trên câu thứ hai và câu cuối là kiểu câu gì xét về cấu tạo? Nêu tác dụng của kiểu câu đó trong bài văn?

Giúp mk vs các cậu ơi mj cần gấp giúp mk vs

một phân số có tử kém mẫu 8 đơn vị nếu tăng tử lên 3 đơn vị và tăng mẫu lên 5 đơn vị thì được 1 phân số mới bằng 3/4 tìm phân số ban đầu?

nêu suy nghĩ về câu:" Sách vở là vũ khí của con, lớp học là đơn vị của con, trận địa là cả hoàn cầu và chiến thắng là nền văn minh nhân loại."

A) x^3+3x^2=x^2+3x B) (x+2)^2=4-x^2 C) (3x+1)^2=(3x+1) Giúp em ạ

Ex 2: Complete the dialogue, using suitable verbs. Quang: Hi Van! What (0) are you doing (you/ do) right now? Van: I (1) _______ (read) my aunt’s travel blog posts. Ben: Wow, (2) _____ (be) she a blogger? Van: Yes, she is. She (3) _______ (often/ travel) to all sorts of interesting places around the world. She (4) _______ (be) in London as we speak! Ben: Cool! What (5) _______ (she/ do) for a living? Van: Well, she (6) _______ (get) paid to travel. Ben: (7) _______ (she/ enjoy) her job? Van: Yes, she does. Ben: How often (8) _______ (you/ see) her? Van: Only once every couple of months because she (9) _______ (always/ have) a tight schedule. However, she will come home soon and I (10) _______ (be) excited to see her! giúp tôi với

Phát biểu nào sau đây không đúng với đặc điểm phân bố dân cư và hoạt động kinh tế của vùng đồng bằng ven biển Duyên hải Nam Trung Bộ? A: Mật độ dân số cao, tập trung đông ở các đô thị. B: Chủ yếu là các dân tộc: Cơ-tu, Ba-na, Ê-đê. C: Khai thác và nuôi trồng thủy sản phát triển. D: Công nghiệp, thương mại, du lịch phát triển.

Một cái sân hình chữ nhật nếu giảm chiều dài của sân 2m và tăng chiều rộng của sân 4m thì diện tích tăng thêm 32 m2 . Nếu chiều dài của sân tăng lên 2m và giảm chiều rộng 3m thì diện tích của sân đó giảm 31 m2 . Hãy tính diện tích của sân ban đầu

1. She bought a lot of_________during her vacation in the USA.. (toys / statues / souvenirs / tickets) 2. The ticket price_________accommodation and meals. ( contains/ consists / includes / informs )7 3. I’ll______________you up at your hotel at 7.30. ( pick / take / make / call) 4. It rained all day yesterday. It was a________________ day. ( dry / fine / clear / wet ) 5. We can find ______________most in winegrowing area. ( apples / lemons/ grapes / durians ) 6. Chicago is ______right on the shore of Lake Michigan.( situated / looked / posted / found ) 7. The lava was ______________out of the volcano.( filling / pouring / holding / dropping ) 8. The accommodation in included __________________ the ticket price. ( in/ on / at / up ) 9. She went shopping _____her husband was visiting the Statue of Liberty. ( when / while / but / and ) 10. He is not living in his own country. He’s living__________ ( alone / aboard / holiday / abroad ) 11. Where is Jane?-She is _____________vacation in France. ( on / to / in / at) 12. You must come___________ for dinner one night. ( over / out / about / up) 13. How did you get to Hawaii?- We ___________. ( made a plane / took a plane / flew a plane / booked a plane) 14. Today we went_____________eight-hour tour around Asia. ( to / in / about / on ) 15. She will pick her _____________ at her hotel.( up / in / on / about ) 16. Chicago is ___________________as “ The Windy City”. ( called / named / said / known ) 17. We can’t go camping today. The weather is __________ ( fine / warm / sunny / snowy ) 18. Mount Rushmore _____ from more than 100 km away. ( saw / are seen / can see / can be seen ) 19. When I arrived at school, the school drum ____________. ( was ringing / was knocking / was sounding / was racing) 20. Ba was ___________ a shower at 8 o’clock yesterday. ( putting / making / taking / doing) 21. We ____________swimming as soon as we arrived at the island. ( went / go / will go / would go) 22. What ________you ________at 3 am yesterday. ( are -doing / were-doing / have-done / do-do) 23. The heads of four presidents are____________into the rock of Mount Rushmore. ( brought / served / carved / built ) 24. I was reading while she ____________the piano. ( played / playing / is playing / was playing) 25. What____________in New York? It’s very cold and humid. ( the weather like / is the weather like / does the weather / the weather is like) 26. They often arrive at Hawaiian____________ during vacation. ( sea / shore / island / lake ) 27. We call an area of low land between mountains a _______. ( highland / valley / waterfall / cave ) 28. The local people showed their great ____________ to the visitors. ( hospitality / friendliness / excitement / character) 29. ____________ and stay with us when you are in town? ( Do you like to come / Do you like coming / Would you like coming / Would you like to come)8 30. He_____ questions! I am tired of answering him. (asked / as asking / s always asking /always asked) 31. I’m calling ____________Ha Noi. ( about / at / to / from) 32. Thanh is always complaining about the_____of my suitcase. ( heaviness /weight / height / size ) 33. Nga was writing a_________ to her grandma at 8 last night. ( book / newspaper / letter / paper ) 34. The famous prison is on the island of Alcatraz in the ____________ of San Francisco. a. ( begin / end / middle / round) 35. I’m going out that night, but I’m not busy the ______ evening. ( following / before / after / other) 36. The temperature will be very cold with a _______of minus three. ( normal / low / high / degree ) 37. ____________Nam won the race, the crowd was cheering. ( how / who / when / what) 38. It was raining when the plane ____________ to Ha Noi. ( got / get / was getting / gotten ) 39. Are you going abroad this summer? (away from home / on holiday / to another country / to the USA) 40. _______is a building or room where people can go to look at paintings. (Gallery / Library / University / Gym) 41. I picked up a copy of their summer travel_____(book / paper / magazine / brochure) 42. __________is hot liquid rock that comes out of volcano. (Limestone / Marble / Lava / Ice) 43. ______is an area of land between hills or mountains. (Valley / Beach / Bay / Island) 44. ______means a piece of land with water around it. (valley / hill / oasis / island) 45. It was hot and _____Sunday afternoon. (wet / humid / rainy / snowy)