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At a seminar, 2/5 of the audience were students. 3/ 10 of them were retirees. The rest were professionals. There were 18 more students than professionals. How many audience were at the seminar?
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III. Bài tập về nhà Exercise 1: Choose the best answer. Jane is not_____________ her brother. As/so adj/adv as A.more intelligent as B. intelligent as C.so intelligent as D. so intelligent that 2. _________you study for these exams, ___________you will do. A.the harder/the better B. the more/the much C.the hardest/ the best D. the more hard/ the more good 3. My neighbor is driving me mad! It seems that _______it is at night,_________he plays his music. A.the less/the more loud B. the less/less C.the more late/the more loudier D. the later/the louder 4. Thanks to the progress of science and technology, our lives have become_________ adj/adv_er and adj A.more and more good B. better and better C.the more and more good D. gooder and gooder 5. Peter is ___________ John. A.younger and more intelligent than B. more young and intelligent than C.more intelligent and younger than D. the more intelligent and younger 6. It gets_____________when the winter is coming. A.cold and cold B. the coldest and coldest C.colder and colder D. more and more cold 7. The faster we finish, ______________ A.the sooner we can leave B. we can leave sooner and sooner C.the sooner can we leave D. we can leave the sooner 8. Of all athletes, Alex is____________ A.the less qualified B. the less and less qualified C.the more and more qualified D. the least qualified 9. The faster Thank walks, _______________ A.more tired B. the more tired he gets C. he gets tired D. he gets more tired 10. The larger the city, ___________ the crime rate. highest B. higher C. the highest D. the higher 11. You must explain your problems___________ A.as clear as you can B. as clearly as you can C.as clear than you are D. as clearly as you are. 12. Pil is____________person we know. the happier B. the happiest C. happier D. happiest 13. Which woman are you going to vote for? - I’m not sure. Everyone says that Joan is____one. A.Smarter B. the smarter C. more smarter D. more smart 14. Bill is_____________ lazier and lazier B. more and more lazy C. lazier and more lazy D. more lazy and lazier 15. It’s too noisy here. Can we go somewhere______________? noisier B. more quiet C. more noisy D. quieter 16. ___________the time passes,_______________I feel. the faster/the nervous B. the more fast/ the nervous the fast/ the more nervous D. the faster/ the more nervous 17. China is the country with ____________population. A.The larger B. the more large C. the largest D. most large 18. His house is _____________ hers. A.Twice as big as B. as twice big as C. as two times big as D. as big as twice 19. Vietnam becomes_____________to foreign tourists. Most and most attractive B. the more attractive Much and more attractive D. more and more attractive 20. Can Tho is ____________ from Saigon than Bien Hoa is. A.Farther B. further C. far D. farer

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