Question 33. Study hard or you will fail the exam. A. You don’t fail the exam unless you study hard. B. If you don’t study hard, you will fail the exam. C. You don’t study hard, so you will fail the exam. D. Because you study hard, you don’t fail the exam. Question 34. My school has no playground equipment or extra activities. A. I wish my school had playground equipment or extra activities. B. I wish my school had had playground equipment or extra activities. C. I wish my school can have playground equipment or extra activities. D. I wish my school will have playground equipment or extra activities. Question 35. I have not met her for three years. A. The last time I met her was three years ago. B. It is three years when I will meet her. C. I did not meet her three years ago. D. During three years, I met her once. Question 36. “What time did you come home last night, Mark?” said Tom. A. Tom asked Mark what time had he come home the previous night. B. Tom asked Mark what time he had come home last night. C. Tom asked Mark what time he had come home the previous night. D. Tom asked Mark what time he came home last night. Question 37. Did you always eat sweets when you were small? A. Were you use to eat sweets when you were small? B. Did you used to eat sweets when you were small? C. Were you used to eat sweets when you were small? D. Did you use to eat sweets when you were small? Question 38. We last visited Ho Chi Minh city 3 years ago. A. We didn’t visit Ho Chi Minh city for 3 years. B. We haven’t visited Ho Chi Minh city for 3 years. C. We haven’t visited Ho Chi Minh city for 3 years ago. D. We didn’t visit Ho Chi Minh city for 3 years ago. Question 39. They started playing tennis in 2013. A. They played tennis since 2013. B. They have played tennis in 2013. C. They have played tennis for 2013. D. They have played tennis since 2013. Question 40. You’d better take a taxi; it was raining hard outside. A. You’d better take a taxi in case it was raining. B. She advised us to take a taxi because it was raining outside. C. She gave us a lift because it was raining heavily. D. She didn’t lend us any raincoats but a taxi

|3x+2|+1=6x tìm x

1. Ba đội công nhân có tất cả 192 người. Số người đội I chiếm một phần tư tổng số. Số người đội II bằng 125% đội I. Tính số người đội III? 2. ƯCLN(18; 30;15) là: A. 2 B. 3 C. 5 D. 6 3. Các số nguyên x để 10 chia hết cho x - 2 là: A. -3; 0; 4; 7 B. -5; -2; 2; 5 C. -10; -5; -2; -1; 1; 2; 5; 10 D. -8; -3; 0; 1; 3; 4; 7; 12 4. Tính P=(2+4+6+...+98+100)(1²+2²+3²+...+99²)(12.10-2³.15) 5. Trên đoạn thẳng AB lấy các điểm M và N sao cho AM = 3cm, AN = 5cm, NB = 2cm. Kết luận nào sau đây là sai? A. M nằm giữa A và N. B. N nằm giữa M và B. C. MN > NB. D. AM > MN mình cần gấp

Giúp mình với ạ !!! Chỉ cần làm một trong hai câu c và d thôi ạ

VII. Read the passage and choose the letter A, B, C or D to answer these following questions Alexander Graham Bell is widely known as inventor of the first telephone. He was born on March 3rd, 1847 in Edinburgh, Scotland. When he was 23, Bell emigrated to Canada with his parents and the next year moved to the United States to teach deaf-mute children. With his colleague Thomas Watson, Bell worked very hard on the experimentation to invent devices such as the harmonic telegraph (used to send multiple messages over a single wire) and phonautograph (used to draw the shape of the sound waves). The first telephone communication was said to have happened between Bell and Watson in 1876 while Bell was at one end of the line, and Watson worked on the telephone in other room. The first transmitted words were, ‘Mr Watson, come here. I want to see you’ 41 Alexander Graham Bell is Scottish a. True b. False c. d. 42 He worked with the deaf when he moved to the USA a. True b. False c. d. 43 He wanted to create a device that can transmit human voice a. True b. False c. d. 44 He was able to succeed right from the first experiment a. True b. False c. d. 45 He worked on his inventions all by himself a. True b. False c. d. VIII. Choose the word or phrase (A, B, c or D) that best fits the blank space in the following passage? Sometimes it is necessary to(1)……….. our habits. Saving energy is one illustration. If we can(2) ………. more energy, such as water and electricity, we can help keep the natural environment safe. Saving water, for example, helps preserve our rivers and reservoirs. If we usually take 10- minute showers, in this case we should try to take shorter showers. When we go out, we(3) ………. remember to shut off electronic like televisions and computers. Turing(4)……… the lights is another example of saving electricity. In short, remembering to help the environment, such as by saving energy, is one of our most necessary (5)............ 46a. exchange b. turn c. change d. make 47a. help b. cut c. saving d. save 48a. must b. may c. had d. should 49a. on b. in c. without d. off 50a. responsibilities b. ways c. habits d. examples

Cho mg Zn cho tác dụng với dd H2SO4(l) thứ được 4,48 lít khí ở đktc.

IV. Rewrite the sentences so that they are nearest in meaning to the sentence printed before them. 26 Scientists have invented new devices to help people live a longer life. New devices 27 I don’t have enough time , so I can’t go on holiday this summer. If 28 The man had a broken leg. He tried to save his wife. In spite of 29 I can’t tell you because I don’t know the answer. If 30 They will do the test well. They will review them all hard. If V. Write complete sentence using the suggested words. 31 They/ learn English/ four years/. 32 Would/ if I/ take/ photos? 33 It/ estimate/ that/ about/ 200 million people/ use/ the Internet/ around/ world 34 My sister/ study/ harder/ in order/ get/ good grades. 35 I/ come/ the classroom/ while/ Mrs. Phuong/ teach/ Geography/ this morning VI. Use the correct form of the word given in each sentence. 36 People say that technology____________(change) up entire rooms small enough to put on destops and into wristwatches. 37 We’ll need__________(call) him more often 38 This time next week, I____________(lie) on the beach on Phu Quoc Island 39 That room_____________(paint) at this time next week. 40 He wouldn’t be ill if he_____________(not smoke) a lot.

1. They stopped to work because of the hot weather. A. stopped B. to work C. because of D. hot 2. The English summer course will start in May 29th and finish in August. A.The English summer B. will C. in May 29th D. in August. 3. I asked her whether was there a fridge in the kitchen. A. asked B. whether C. was there D. in 4. My uncle and aunt live _______ a farm 120 kilometers east of Ha Noi. A. in B. on C. from D. at 5. Would you ________ a minute, please? I'll try to connect you. A. keep in B. stay on C. hold on D. stop on 6. This room __________since I was born. A. has been painted B. was painted C. painted D. has painted 7. + What ______you _______if you _______a billionaire? - I would take a trip into space. A. will/do / are B. would/do / were C. can/do/was D. shall/do / are 8. After __________dinner, I often watch TV. A. ate B. eat C. eaten D. eating 9. Do you believe __________God? A. at B. of C. about D. in 10: You are planning to enter law school, ___________? A. don’t you B. aren’t you C. haven’t you D. didn’t you 11. My house ________ in 1986. A. is built B. was building C. was built D. has been built 12. When he lived in the city, he _________ to the theater twice a week. A. uses to go B. has gone C. used to go D. was going 13. - “I think you've taken my bag by mistake.” - “_______” A. What a shame! B. Pardon? C. I'm so sorry. D. Have I? 14. - “May I have something to drink, please?” - “_______” A. Yes, of course. Help yourself. B. Of course you may. C. Why do you have to ask? D. You must help others too. Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. Question 19. The Internet is available only in cities and towns, so we cannot easily get access to it in the countryside. A. visiting B. existing C. safe D. helpful Question 20. This organization aims to help the less able in society to lead an independent life. A. identify B. entertain C. assist D. defend Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. Question 21. The Ministry of Health is carrying out a health project for the poor in mountainous regions and rural areas. A. urban B. mountainous C. suburban D. coastal Question 22. We’d better speed up if we want to get there in time. A. slow down B. turn down C. put down D. lie down

Giúp với, bài chỉ có một câu thôi !!

I. Choose the word whose underlined part pronounced differently from that of the others. 1 a. bridge b. pyramid c. fire d. magnificent 2 a. village b. sights c. flights d. tribes 3 a. carry b. star c. sparkle d. smart 4 a. schedule b. character c. school d. church 5 a. bread b. meat c. team d. please II. Choose the word whose main stress pattern is not the same as that of the others. 6 a. impair b. unhurt c. effect d. insect 7 a. explorer b. accurate c. unhealthy d. mature 8 a. unnatural b. engineering c. impossible d. environment 9 a. unhelpful b. unlikely c. unforeseen d. unusual 10 a. imprecise b. imperfect c. impartial d. impassive III. Choose the word or phrase (a, b, c or d) that best fits the blank space in each sentence. 11 Air......................, together with littering, is causing many problems in our cities today. a. pollute b. pollution c. polluting d. polluted 12 The road in front of my office is always .................... when it rains heavily. a. to flood b. flooding c. flood d. flooded 13 Singapore is famous for its .................... and green trees. a. cleanliness b. cleanly c. cleaning d. clean 14 In some English speaking countries, turkey and pudding are ............... food at Christmas. a. national b. historical c. traditional d. possible 15 The USA has a population of 304 million, and it’s the third ............. country in the world. a. smallest b. largest c. narrowest d. highest 16 The roof of the building .......................... in a storm a few days ago. a. damaged b. was damaged c. has damaged d. has been damaged 17 A severe tropical ...................... is called a typhoon. a. drought b. rain c. flood d. storm 18 As soon as the floodwater ...................... down, people ........................ their houses. a. went - cleaned b. had gone – cleaned c. went - had cleaned d. had gone – had cleaned 19 If I were you, I ..................... do something to prevent him from littering. a. would b. did c. will d. do 20 Earth .................. by the gravity of the Sun and orbits around it. a. holds b. is held c. is holding d. held 21 By the time we ........................ to the cinema, the film had started. a. gets b. had got c. has got d. got 22 When the policeman came there, the robber .................. a. had left b. has left c. left d. was left 23 All people who were without homes in the flood were provided with .................. accommodation. a. short b. temporary c. present d. instant 24 Seven of ten people prefer face-to-face ..................... when having a date. a. language b. contact c. code d. sign 25 When thermal pollution happens, the water temperature in streams, rivers, lakes and oceans ........................ a. changes b. keeps c. remains d. stays