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popocap123
2 năm trước
Một lớp học có 50 học sinh, có duy nhất một học sinh thiếu nhiều bài tập nhất là thiếu ba bài tập. Chứng minh rằng tồn tại 17 học sinh thiếu số bài tập như nhau (trường hợp không thiếu bài tập coi như là thiếu 0 bài).
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PART A: PHONETICS. Question I: Choose the word whose underlined part is pronounced differently from that of the others. 1. A. temple B. pretty C. depend D. pencil 2. A. elbow B. bowl C. blow D. cow 3. A. pencils B. help C. lesson D. new 4. A. know B. close C. town D. sofa 5. A. picture B. kitchen C. describe D. attic PART B: VOCABULARY AND GRAMMAR Question II: Choose the word or phrase (A, B, C or D) that best fits the blank space in each sentence. 1. ......... long or short? A- Does Mai have hair B- Is Mai’s hair C- Does Mai’s hair have D- Is hair of Mai 2. She has ......... hair. A- black long B- long black C- black tall D- high black 3. He is wearing nothing on his ......... . A- feet B- chests C- heads D- noses 3. In …..lessons , we learn about writers, poems, and write essays. A- History B- Literature C- Science D- Geograpgy 5. Tuan is weight lifter. He is tall and ............. A- strong B- high C- weak D- short 6.“ There is …….sugar in the jar. Go and buy a kilo, Nguyet.” A- some B- much C- little D- few 7.We ……..go when the traffic lights are red. A- can’t B- needn’t C- shouldn’t D- mustn’t 8. ............. you like a drink? A- What B- Would C- Want D-How 9. Is there .......... milk in the bottle? A- a B- some C- any D- many 10. There ........... some potatoes in the fridge. A- is B- are C- have D- do 11. How much is this ........ of soap? A- bar B- box C- can D- packet 12. Do you have any toothpaste? I need a large .......... of toothpaste. A- bar B- can C- tube D- box 13. And I need half a ............ eggs. A- kilo B- box C- dozen D- packet 14. I also want a .......... of lemonade. A- box B- bowl C- bottle D- bar 15. I’d like a .............. of rice, too. A- liter B- bottle C- kilo D- dozen 16.The first exercise is easy but the second one is ……….. A- easy, too B- less difficult C- difficult, too D- more difficult 17. There may be as ……….as six guests to dinner. A- Much B- many C- many more D- very much 18. “ How long does it take to go to the nearest bus station?” - “ ___________” A- No, it isn’t far. C-I’m sorry, I don’t know. 2 B- Yes, it is a long way. D- Why do you ask me? 19. “ Must you wear uniform to school every day?” - “ No, we ………….” A- mustn’t B- needn’t C- shouldn’t D- can’t 20. The bigger the house is, the ………………….furniture it needs. A- fewer B- bigger C- more D- less Question III. Supply the correct form of the words in bracket: 1. Saucepans are sold in the ………............goods department. (house) 2. I don’t really like to talk to him. He’s very …….....… (friend) 3. People often find ……….......…….in simple things. (happy) 4. Kay has got a great …….....….......... .You’ll really like her. (person) 5. You will need a lot of ……..............…..to lift this heavy cupboard. (strong) 6. Today is an awful day for me. It is the ……………..day of the year. (bad) 7. They believe that playing games for too long can be ….…to their children’s health. (harm) 8. I lost my ............................... . Maybe I left it at the school library. (calculate) 9. Cindy lives in a ...............................................villa near my house. (beauty) 10. That was really an ........................................film with best action scenes . (excite) Question IV. There is ONE mistake in each sententence. Underline and correct them: 1. Minh often walk to school with his friends every morning. 2. Shh! My brother studies for the exam in his room. 3. Is there a family photos on the wall in your living room? 4. There are a lot of clothes in the floor in your room. It’s very messy. 5. Is that Mai? The girl is blonde brown hair and a round face. 6. Turn right at the corner, and then turn on left. 7. The pagoda near the museums are larger than that one. 8. The station in Da Lat is more smaller than the one in HCM City. 9. Go away the street and take the second turning on the right. 10. Tan is reading books in the library in present.

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