Cho tam giác ABC vuông tại A có đường cao AH, đường trung tuyến AM và đường phân giác AD, biết AB=21cm, Bc=35cm. Tính cạnh AD

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biện pháp tu từ và biện pháp nghệ thuật trong thơ có gì giống và khác nhau? Chỉ ra biện pháp tu từ và biện pháp nghệ thuật trong bài thơ cảnh khuya của Hồ Chí Minh. Giúp mình với. Mình cần gấp.

II. Fill in each blank in the sentences with one disease.

Tìm X : X + 40 - 100 ÷ 20 × 60 = 2820

I. Choose the word that has the underlined part pronounced differently from the others. 1. a. classmate b. character c. grade d. place ( khác chữ a ) 2. a. enough b. extremely c. generous d. planet ( khác chữ e ) 3. a. lucky b. volunteer c. sun d. public ( khác chữ u ) 4. a. brown b. however c. know d. town ( khác chữ ow ) 5. a. reserved b. recived c. booked d. annoyed ( khác chữ ed ) II. Choose the word or phrase that best completes each unfinished sentence below or substitutes for the underlined word or phrase. 6. The River Amazon ____ into the Atlantic Ocean. a. flow b. flows c. flew d. is flowing 7. My sister and I______ the cartoons on TV every Saturday last summer. a. watch b. watched c. watches d. watching 8. I don’t have enough money _____ for a taxi. a. to pay b. for paying c. for pay d. paying 9. Surely 15 minutes is enough time ______ a. for you to have a bath b. to you for having a bath c. to you to have a bath d. for you for having a bath 10. This is my _____ ear . - I’m rather deaf in the other one. a. best b. well c. perfectly d. good 11. He prefers ______ a. go for a swim to study b. going for a swim to study c. going for a swim to studying d. go for a swim to studying 12. Each of the rooms _____ a different color. a. has b. have c. have had d. are having 13. He rarely shows his feelings. He’s rather_______ . a. reserved b. sociable c. humorous d. helpful 14. The audience didn’t laugh ______ his joke. a. at b. on c. to d. for 15. He worked as a volunteer_______ Oxfarm. a. at b. for c. to d. with IV. Choose the word (a, b, c, or d) that best fits each of the blank spaces. Dear Luis, I’m your new pen friend! My first name is Andy and my (21) _________is Wong. I’m from Cheadle, in the north of England, and I’m sixteen (22) ____old. I’m fairly tall, with (23) ______. And I wear glasses. I enjoy (24) _____jokes and my friends usually enjoy my sense of (25) ______. The name of my school is Cheadle Comprehensive School, and I’m (26) ___Year 8. There (27) __thirty-one students in my class. My favorite subject is Geography and my (28) __sport is tennis. Best wishes, Andy 21. a. second name b. middle name c. family name d. nickname 22. a. year b. years c. 0 d. a&b are correct 23. a. short curly black hair b. black short curly hair c. short black curly hair d. black curly short hair 24. a. tell b. to tell c. telling d. to telling 25. a. humor b. humorous c. humorously d. humorousness 26. a. in b. on c. at d. of 27. a. is b. are c. has d. have 28. a. favorite b. good c. most d. lucky V. Read the following passage and choose the item (a, b, c, or d) that best answers each of the questions about it. I have twin brothers, Tim and Tom. They are very similar and a lot of people don’t know which is which. They both have blond hair and blue eyes, and they always wear jeans and T-shirts. They like doing the same things, too. For example, they both like jazz and they’re crazy about football. They go to a football match once a week. Tim doesn’t like dancing or discos and Tom doesn’t like them, either. Although they’re twins, they’re not exactly the same at everything. Tim works hard at school because he wants to go to university, but Tom is a bit lazy. Our mother is often away from home because of her job, so we all work together in the house. Most of the time it’s fine, but sometimes we fight a bit! 29. What does the word ‘similar’ in line 1 mean? a. the same in some ways b. completely the same c. completely different d. liked by many people 30. Tim and Tom ____ . a. are the author’s twin brothers b. have blond hair and blue eyes c. aiways wear jeans and T-shirts d. all are correct 31. What does the word ‘them’ in line 6 refer to? a. things b. jazz c. jeans and T-shirts d. dancing or discos 32. Which of the following is not true? a. Tim is hard-working. b. Tom is a bit lazy. c. Their mother is often away from home. d. Tim doesn’t like dancing or discos but Tom likes them. 33. The passage is written about the author’s _____ . a. brothers b. pen pals c. cousins d. a & c

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Dear Tim I want to tell you about my life in the USA.I miss you,Jim,peter and other members of the soccer..........very much.I go to school five..........a week.I can't have many friends because i'm new here. The..........is colder than in hong kong and the food is terrible.You and i sometimes complained about the food in our school...........but now i think it is delicious.the city is very beautiful.There are big,tall..and many lovely flowers everywhere tomorrow's saturday and there .............many activities in my school.I am ........to join the soccer club and the model making club.I like to make friends with more american teenagers Don't think i'n unhappy here.Something interesting happens sometimes and i.....fun.At the moment i'm looking forrward to seeing my family and all you on the summer vacation