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X × 6,7 + X × 3,3 + X = 12,1
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I. Choose the best option A, B, C or D to complete the sentence. 1. Overpopulation problems………………both the rich and the poor. A. cause B. reduce C. happen D. affect 2. The major cause of death for children living in the slums is……………. A. immigration B. malnutrition C. density D. illiteracy 3. It’s very ……………in the city. Some rich people live in large villas, while many poor people live in small slums. A. spacious B. healthy C. diverse D. equal 4. Some poor people may………………..crime when they need money. A. commit B. accept C. involve D. arrive 5. The city has to find…………………….to homeless people immediately. A. calories B. solutions C. earnings D. systems 6. The immigrants will hardly find accommodation in the city,………………..? A. will they B. won’t they C. will it D. won’t it 7. Disease spreads more quickly in overcrowded areas,……………….? A. isn’t it B. doesn’t it C. is it D. does it 8. Living in the country is healthier than that in the city because in the countryside, there is…..…traffic. A. higher B. fewer C. more D. less 9. people move to the city with the hope that they can get…………..food and better healthcare. A. more B. bigger C. less D. fewer 10. ………………accidents were recorded this year than that year; 23 cases compared to 42 cases. A. Less B. More C. Fewer D. Lower II. Find the odd one out A, B, C, or D. 11. A. affect B. replace C. effect D. fly 12. A. density B. overcrowded C. crime D. megacity 13. A. explosion B. hunger C. slum D. float 14. A. space B. safely C. poverty D. slumdog 15. A. criminal B. drive C. doctor D. student (giúp mink vs cần gấp)

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