giải phương trình sau đây $\sqrt[3]{x+6}$ -2$\sqrt[]{x-1}$=4- $x^{2}$

6. I like watching football matches, but I am not very good____ playing football. A. at B. in C. on D. for 7. Team sports are sometimes called_____ sports. A. compete B. competition C. competitor D. competitive 8. " ___do you do judo?" - "Twice a week.". A. When B. Where C. How often D. Why 9. ___sports do you like watching on TV? . A. How B. What C. Do D. How often 10. Football is regarded ____the most popular sport in the world. A. for B. as C. like D. of 11. Sports and games___ an important part in our lives. A. play B. do C. go D. make 12. When you go to the zoo, don't the animals. A. play B. do C. tease D. watch 13. Playing sports helps us get____ . A.fat B. free C. fittest D. fitter 14. Nam's dream is to become a . A. loser B. champion C. contest D. gamer 15. "I'd like to watch motor racing because it is very ______." A. frightening B. exciting C. excited D. boring 16. My sister often badminton in her free time. A. play B. plays C. playing D. to play 17. Marathon is considered a/an_____ sport. A. team B. individual C. indoor D. sporting 18. Our school football team_______ the match with Tran Phu School last Sunday. A.wins B.won C. scores D. scored 19. Tam three goals for our team and made it a hat trick. A. scores B. scored C. plays D. played 20. Blackburn Rover is at the bottom of the league. They______ most of their matches this season. A. played B.won C. lost D. scored 21. My friend Mark is very good ________ volleyball. He plays volleyball very well. A. in B. on C. at D. with 22. We often go swimming ________ Sunday morning. A. in B. on C. at D. for 23. Football is an example of a ________ sport where you play with several other people. A. team B. individual C. indoor D. dangerous 24. We were very upset when our favourite team didn’t ________ even one goal. A. play B. kick C. point D. score 25. Badminton requires only a net, a racket, and a birdie or ________. A. ball B. ski C. shuttlecock D. goggles 26. The person who makes sure that a game is played according to the rules is called a ________. A. coach B. Climbing C. Not to climb D. Don’t climb 27. ________ spectator sports in Britain are cricket and football. A. More popular B. The more popular C. Most popular D. The most popular 28. ________ are the Olympic Games held? - Every four years. A. When B. Where C. How long D. How often 29. Which sport happens in a ring? A. Boxing B. Basketball C. Aerobics D. Swimming 30. I _______ born on the first of May. A. were B. was C. are D. is

1. She sings better than anybody else in the class. → She is ___________________________________________________________________ 2. She didn’t hurry, so she missed the train. → If ___________________________________________________________________ Mark letter A, B, C or D to indicate the sentence that is closest in meaning to the original sentence in each of the following questions. 3. She decided not to do her homework and went a night club. A. She went to a night club because she didn’t have any homework. B. She went to a night club instead of doing her homework. C. She was too lazy to do her homework. D. She went to a night club after doing her homework. 4. We went to Dong Xuan Market, then we flew back to Ho Chi Mirth City at 7pm. A. We went to Dong Xuan Market while we flew back to Ho Chi Minh City at 7pm. B. Before we flew back to Ho Chi Minh City at 7pm, we had gone to Dong Xuan Market. C. We went to Dong Xuan Market in order that we flew back to Ho Chi Minh City at 7pm. D. As we went to Dong Xuan Market, we flew back to Ho Chi Minh City at 7pm. 5. The bread is very stale, so we can’t eat it. (ENOUGH) A. The bread isn’t fresh enough for us to eat it. B. The bread is so stale that we can’t eat. C. It is such stale bread that we can’t eat it. D. The bread is too stale to eat. Use the following words/ phrases to make meaningful sentences. 6. Toronto/ official/ name/ most/ culture/city/ Canada. _____________________________________________________________________________________ 7. illustration/ show/ example/ fashion/ dress/ late/ 1840s/. ______________________________________________________________________________________ Mark letter A, B, C or D to indicate the sentence that is closest in meaning to the original sentence in each of the following questions. 8. Father/ always/ teach/ him/ not/ look down/ people/ less/. A. Her father is always teaching him not to look down in those peopole with less. B. Fathers always teach him not look down those people with less. C. His father always taught him not to look down on those people with less. D. His fathe always teaches him not to look down for those people with less. 9. I/ tired/ Sophie/ show/ engagement ring/ all time/. A. I’m tired of Sophie showing off her engagement ring all the time. B. I’m tired of Sophie to show off her engagement ring all the time. C. I’m tired for Sophie showing off engagement ring all the time. D. I’m tired with Sophie show off her engagement ring all time. 10. City/ often/ describe/ large/ high/ populate/ area/. A. City is often described as a large and a high populated area. B. City often describes a large and a highly populated area. C. City is often described with large and high populated area. D. City is often described as a large and a highly populated area. Mark the letter A, B, C or D to indicate the best answer to each of the following question. 34. Ann is taking extra lessons to __________ what she missed while she was sick. A. take back B. get on well with C. keep up with D. look forward to 35. It is considered that life in a city is wonderful and _. funny B. boring C. enjoyable D. helpful 36. Ha Noi also offers a nightlife as exciting as __________ in Ho Chi Minh City. A. it B. which C. what D. that 37. Tom is not very punctual. He usually ____________ ten minutes after the lesson has started. A. turns up B. thinks over C. sets off D. pulls down 38. No city in America has monuments and museums into one area as Washington, DC. A. as much B. such many C. as many D. a few 39. Don’t worry about travelling by bus in the city due to its public transport. A. rely B. reliable C. reliability D. relying 40. Who when John is likely to turn up? A. do know B. is knowing C. know

V. Circle the best answer A, B, C or D to complete the passage. Because you travel to the US, you (1)______ out what documents you need. British people do not (2) ______ to get a visa, but there are different rules for (3) ______ nationalities. (4) ______ example, you don’t need to show that you have enough money (5) ______ you. (6) ______ there is one rule you can be sure about: everyone (7)______ to show their passport. The roads in New York are very busy, but don’t worry, you can get around cheaply and easily by subway. Remember that you are not allowed to smoke (8) ______ public transport or in shops. And don’t forget that you must tip taxi drivers and waiters. New York is not the most dangerous city in the US, but you really (9) ______ walk along empty streets at night. And it is (10) ______ to travel around in groups. 1. A. must B. would C. can D. could 2. A. ought B. have C. should D. used 3. A. other B. many C. different D. some 4. A. In B. On C. For D. At 5. A. on B. in C. of D. with 6. A. But B. Then C. Now D. And 7. A. could B. must C. has D. should 8. A. in B. on C. at D. by 9. A. shouldn’t B. couldn’t C. wouldn’t D. might not 10. A. safe B. safer C. safest D. more safe

Bất phương trình: $\frac{(x-4)(x^2-6x+9)(x^2-3x+2)}{\sqrt{2x^2+x+2}-x}$ $\geq$ 0 có bao nhiêu nghiệm nguyên nhỏ hơn 50? (giúp mình nhanh với ạ)

V/ Choose the best answer : 1. Presents______ in colored paper and put under the Christmas tree. a. are wrapped b. are wrap c. are wraped d. are wrapping 2. Every few weeks new satellites_____into orbit. a. are put b. is put c. are putted d. is putted 3. Tree leaves____to wrap things. a. used b. are used c. has been used d. use 4. Glass __________up, melted and made into new glassware. a. is broken b. break c. breaks d. broke 5. In 1876, the telephone ______ first by Bell and Watson. a. was introduced b. is introduced c. has been introduced d. introduced 6. Beer_____for breakfast in England years ago. a. were drunk b. was drunk c. drank d. has been drunk 7. An astronaut would be killed if he or she _____ by a piece of rubbish. a. was hit b. were hit c. was hitted d. were hitted 8. Milk bottles _______ after being cleaned. a. was collect b. are thrown away c. broke d. are reused 9. Your money will be _____ if you’re not careful. a. steal b. stealing c. stole d. stolen 10. The pizzas_________to your house last night. a. bring b. were brought c. have brought d. are brought

IV. Write correct sentences, using the words or phrases given. 1.Da Nang/ attract/ lots/ tourists/ because/it/ most beautiful/ beaches/ Viet Nam. @ …………………………………………………………………………………… 2.Hoi An/ famous/ old houses and buildings/ traditional crafts. @ …………………………………………………………………………………… 3.You/ see/ latest Batman film? @ …………………………………………………………………………………… 4.Temple of Literature/ one/ Ha Noi's/ famous/ landmarks. @ …………………………………………………………………………………… 5.Merlion/ lion's head/ fish's body/ symbol/ Singapore. @ ………………………………………………………………………………

suy nghĩ,đánh giá của con về tầm quan trọng của vấn đề bảo vệ,chăm sóc trẻ em? con có thể làm gì để góp phần bảo vệ,chăm sóc trẻ em?

III. Put the words in the correct order. 1. from/ vacation/ come/ Nha Trang/ I/ just have/ a/back/ in. @ …………………………………………………………………………………… 2.university/ Viet Nam/ the/ was/ Quoc Tu Giam/ first/ in. @ …………………………………………………………………………………… 3.world/ six/ in/ are/ continents/ there/ the. @ …………………………………………………………………………………… 4.England/ tower/ it/ famous/ in/ the/ is/ most. @ …………………………………………………………………………………… 5.years/ new/ building/ is/ but/ looks/ 100/ more than/ old/ the/ it. @ ……………………………………………………………………………………

Một hình chữ nhật có chiều dài gấp rưỡi chiều rộng và chu vi bằng 180m. Hỏi sau khi kéo chiều dài thêm 5m, phải kéo chiều rộng thêm bao nhiêu mét để được một hình vuông ?