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bài 1 rút gọn các biểu thức A= 2 √5 - √( √5-3) ² B= √(2 √3-5) ²- √3 giúp vs ạ đg cần gấp
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I. Find the word which has a different sound in the underlined part. 1. A. visited B. washed C. talked D. stopped 2. A. hope B. homework C. one D. post 3. A. writes B. makes C. takes D. drives 4. A. Thursday B. thanks C. these D. birthday 5. A. grandmother B. channel C. fan D. nature 6. A. sandcastle B. noisy C. close D. choose 7. A. robot B. not C. buffalo D. also 8. A. thrilling B. then C. through D. thread 9. A. delicious B. like C. nice D. fine 10. A. lunch B. watch C. teacher D. architect 11. A. killed B. listened C. perfected D. preferred 12. A. part B. handsome C. fantastic D. band 13. A. filled B. naked C. suited D. wicked 14. A. goggles B. sport C. stop D. not 15. A. like B. bit C. bite D. kind 16. A. cheap B. great C. peace D. meal 17. A. living B. wireless C. hi-tech D. nice 18. A. space B. located C. lake D. cottage 19. A. machine B. cheap C. watch D. children 20. A. surround B. ocean C. space D. house 21. A. electricity B. local C. helicopter D. skyscraper 22. A. athlete B. fourth C. clothing D. theatre 23. A. caught B. aunt C. audience D. because 24. A. creature B. peach C. beaten D. healthy 25. A. planet B. trash C. understand D. waste II. Odd one out 1. A. Antarctica B. Asia C. Paris D. Australia 2. A. floods B. rubbish C. litter D. garbage 3. A. apartment B. villa C. stilt house D. hotel 4. A. played B. studied C. worked D. held 5. A. television B. cook C. fridge D. cooker 6. A. skiing B. fishing C. cycling D. boxing 7. A. director B. viewer C. audience D. watcher 8. A. international B. local C. national D. boring Unit11 Our greener world - Things that can be reduced, reused and recycled - Environmental problems and their effects - Conditional sentences –type 1 /æ/ and /ɑ:/ Unit 12 Robots - types of robots and their abilities Modal verb: can, could, will be able to / ɑu / and / ɔi / DICH VONG SECONDARY SCHOOL ENGLISH 6 – SUMMER REVISION SCHOOL YEAR: 2018 – 2019 ---------------- 9. A. gym B. athlete C. player D. swimmer 10. A. palace B. houseboat C. motorhome D. kitchen 11. A. control B. start C. run D. engine 12. A. telephone B. robot C. dishwasher D. travel 13. A. recycle B. reduce C. reuse D. refillable 14. A. fantastic B. exciting C. interesting D. boring 15. A. bottle B. bag C. bin D. paper

EX1: Read the following passage and fill in the blanks with suitable words in the box. all than that into because causes either combing also due Paper can be recycled by reducing it to pulp and (1)……………….it with pulp from newly harvested wood. As the recycling process (2)……………….. the paper fibers to breakdown, each time paper is recycled its quality decreases. This means that (3)…………………a higher percentage of new fibers must be added, or the paper down cycled (4)…………………..lower quality products. Any writing or coloration of the paper must first be removed by deinking, which (5)…….removes fillers, clays, and fiber fragments. Almost (6) ……………….…….paper can be recycled today, but some types are harder to recycle …… …… (7) …… others. Papers coated with plastic or alumium foil, and papers (8)…………………..are waxed, pasted, or gummed are usually not recycled (9)………………….the process is too expensive. Gift wrap paper also cannot be recycled (10)…………………to its low quality.

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