Giúp mik phần II nha mn Cảm ơn ạ

Cho hình chóp tứ giác đều SABCD có tất cả các cạnh bằng nhau Gọi M N lần lượt là trung điểm của các cạnh BC và góc Anpha góc tạo bởi đường thẳng MN và mặt phẳng SBD tính tan alpha

I.Listen and decide whether each statement is True (T) or False (F) 1.Súp lươn is a traditional dish of Da Nang. A. True B. False 2.It’s a little spicy. A. True B. False 3.It’s often served with rice. A. False B. True 4.Mỳ Quảng is a traditional dish of Quang Nam. A. True B. False 5.Red shrimp is put on the top of bánh tôm. A. False B. True II.Choose the word whose underlined part is pronounced differently from that of the others 6. A. concert B. kitchen C. choose D. cello 7. A. closure B. share C. sugar D. anxious 8. A. sandwich B. water C. author D. taught 9. A. saw B. yoghurt C. bought D. sauce 10. A. omelette B. rock C. torch D. pot 11. A. tea B. beef C. meat D. bread 12. A. taught B. audience C. sausage D. sauce 13. A. spinach B. rice C. fridge D. milk 14. A. academy B. blanket C. pagoda D. tablet 15. A. historic B. heritage C. literature D. recognize III.Choose the best answer to fill in the blank. 16. Who is the ________ person in your family? A. powerful B. more powerful C. powerfuler D. most powerful 17. Their house is three times as ________ as ours. A. biggest B. bigger C. big D. most big 18. Susan is much ________ with children than her sister is. A. patienter B. most patient C. more patient D. patient 19. This classroom is a lot nicer ________ the one we had last year. A. than B. in C. as D. from 20. London was different ________ most European capitals. A. to B. as C. from D. than 21. She bought a ________ of bread so we can make sandwiches. A. bar B. bowl C. slide D. loaf 22. We’ve already eaten a ________ of biscuits! A. slice B. tube C. carton D. packet 23. Would you like a ________ of lemonade? A. bowl B. glass C. kilo D. piece 24. There is a ________ of milk in the fridge. A. bar B. carton C. kilo D. piece 25. Could you cut me a smaller ________ of ham? A. bunch B. piece C. spoon D. slice IV.Read the passage and decide which answer A, B, C or D best fits each space ----While art may not be vital to fulfill our basic needs, it does make life (26)________. When you look at a painting or poster hang on your living room wall, you feel happy. The sculpture on the kitchen windowsill create a (27)________ of joy. These varieties of art forms that we are surrounded by all come (28)________ to create the atmosphere that we want to live in. Just like art, music can make life extremely joyful and can have a huge effect (29)________ our mood. If you have something hard or difficult to work on or are feeling tired, an energetic song will likely (30)________ you up and add some enthusiasm to the situation. Similarly when stress is high, many people find that relaxing to calming music is (31)________ that eases the mind. 26. A. boring B. beautiful C. joyful D. helpful 27. A. way B. cause C. sense D. feel 28. A. along B. down C. together D. away 29. A. at B. in C. on D. of 30. A. pick B. take C. wake D. bring 31. A. anything B. nothing C. everything D. something V.Complete the second sentence so that it has the similar meaning to the first one. 32. This bridge is about 800m long. That one is about 800m long, too. This bridge is_____________________________________________________ 33. There are some differences between her first song and the second one in terms of concepts. Her first song is___________________________________________________ 34. How much does it cost you to buy that souvenir in dollars? How many_______________________________________________________ 35. I don't really like horror films. My sister doesn't like horror films. I don't really_____________________________________________________ VI.Complete each of the following sentences with the words or phrases given 36. Lana/ use to/ on foot/ school/ or/ car? ________________________________________________________________ 37. He/ used/ good/ student/ but/ now/ poor. ________________________________________________________________ 38. Mr Thanh/ didn't/ to/ travel/ Korea. ________________________________________________________________ 39. How/ it/ Ha Noi/ Singapore/ past? ________________________________________________________________ 40. My hometown/ used to/ small village. ________________________________________________________________

Cho góc xOy, kẻ tia phân giác Ot của góc xOy, Trên tia Ot lấy điếm M bất kì, qua M kẻ đường thẳng vuông góc với tia Ot cất hai dường thắng Ox và Oy tai A và B. Có đường thang vuông góc với tia Oy qua A và B lần lượt cắt tia Ot tại C và D. Chứng minh rằng: a) M là trung điểm của AB và DC. b) AC- BD = AD-BD. Giúp mk bài 3 câu a thôi ak mk cảm ơn

help meeeeeeeeeeeeeeeeeeeeeeeeeeee x=4=14-5

Dùng một kính lúp có tiêu cực f để quan sát vật nhỏ AB cách thấu kính một đoạn là d, thu được ảnh A’B’ là ảnh ảo. Mối quan hệ giữa f và d là A: d > f B: d > 2f. C: f > d. D: 2f > d > f.

Một proton bay vào từ trường đều theo phương hợp với đường sức từ 1 góc 30 độ vận tốc ban đầu là 3.10^7 m/s từ trường có B=1,5T. Độ lớn của lực lo ren xơ là?

Làm hộ mình với mình đang cần gấp mai mình phải nộp rồi ạ mong các bạn giúp mình

các anh chị giúp em với 16. Tim: Let's go to the paddy fields to fly kites, Tom. Tom: ................................................. * 1 điểm A. How about you? B. What's the matter? C. Ok. It sounds good. D. Not at all. 17. Choose the word CLOSEST in meaning with the word SPECIALITY in the sentence. " Pia cake is a speciality of Soc Trang." * 1 điểm A. cooking style B. special food C. dish D. recipe 18. Choose the word CLOSEST in meaning with the word SIMPLE in the sentence. " Many ethnic groups have very simple ways of farming, but their production is very high." * 1 điểm A. complicated B. poor C. uncomplicated D. insignificant 19. Choose the word OPPOSITE in meaning with the word SHOUT OUT LOUD in the sentence. " When we spent our holidays in the countryside, we could run around the fields and shout out loud without disturbing anybody." * 1 điểm A. speak loudly B. raise our voice C. make noise D. whisper 20. Choose the word OPPOSITE in meaning with the word VAST in the sentence. " There used to be vast areas of rainforests in the South of the country." * 1 điểm A. huge B. limited C. enormous D. remote 21. The cattle can provide them ...................most of their needs. * 1 điểm A. with B. for C. at D. in 22. Most of the villagers are busy;..............., they always spend time chatting with their family and having dinner together to tell each other about how their day went. * 1 điểm A. therefore B. however C. because D. so 23. Among 54 ethnic groups of Viet Nam, the Kinh............. about 86 percent of the population. * 1 điểm A. account for B. accounts for C. account D. account on 24. The Tay ethnic group has ..................population. * 1 điểm A. the larger B. the second largest C. the large D. largest 25. Most people in the mountainous areas live in.................... * 1 điểm A. thatched houses B. apartments C. stilt houses D. villas 26. It takes 8.5 minutes for light to travel from .......Sun to ............Earth. * 1 điểm A. 0-0 B. a - an C. the - the D. 0 - an 27. Many ethnic groups have their own.........and ............language. * 1 điểm A. speaking-writing B. spoken-written C. speak-write D. spoken-wrote 28. A custom is something that has become an ............. way of doing things. * 1 điểm A. offered B. agreed C. accepted D. involved 29. A tradition is something we do that is special and is.................through the generations. * 1 điểm A. passed in B. passed down C.passed out D. pass up 30. My family has the custom .............eating dinner at 7p.m sharp. * 1 điểm A. on B. of C. in D. by

cho đường thẳng d: 2x-y+4=0 và A(1;2).tìm M thuộc d sao cho MA=1 Có ai k,giúp với ạ!!!