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1. A. proofs B. books C. points D. days 2. A. helps B. laughs C. cooks D. finds 3. A. neighbors B. friends C. relatives D. photographs 4. A. snacks B. follows C. titles D. writers 5. A. streets B. phones C. books D. makes 6. A. cities B. satellites C. series D. workers 7. A. develops B. takes C. laughs D. volumes 8. A. phones B. streets C. books D. makes 9. A. proofs B. regions C. lifts D. rocks 10. A. involves B. believes C. suggests D. steals 11. A. remembers B. cooks C. walls D. pyramids 12. A. miles B. words C. accidents D. names 13. A. sports B. plays C. chores D. minds 14. A. nations B. speakers C. languages D. minds 15. A. proofs B. looks C. lends D. stops 16. A. dates B. bags C. photographs D. speaks 17. A. parents B. brothers C. weekends D. feelings 18. A. chores B. dishes C. houses D. coaches 19. A. works B. shops C. shifts D. plays các bn giải giùm tui nhớ phát ân mó âm id hay t hoặc d giùm tui nha ko đc coppy nha

IV.The following passage contains errors. Identify and correct them. 11 these mountain - like formations contain a treasure trove of minerals and 12 metals. The asteroid 16 Psyche has enough iron-nickel ore to sustain the 13 Earth for several million years. Even a comparatively small asteroid could 14 contain more than 2000 million metric tons of serviceable mineral-metal 15 reserves. In additions, some asteroids have a high ice content which 16 means that they could be an economically viable source of freshwater. 17 Large-scale mining of asteroids is possibly the key to solve many of our 18 escalating environmental problems. Any mining venture contains an 19 element of risk, however. Asteroids have traditionally been considered 20 dead perils lurking out in the dark depths of space, bided their time before 21 smashing headlong into our insignificant planet. In order to transplant 22 mining operations from the Earth to the stars, we need to find solutions to 23 extensive safety and logistical problems.

IV. Error correction The following passage contains errors. Identify and correct them. 1 An environmental history of mankind would have to be a history of the 2 exploitation of abundant natural resources, the spiral demand for these 3 resources, and their inevitable depletion. As humanity spread over the 4 globe, leaving colonies in their wake, essential resources such as coal, oil 5 and even fresh water were extracted through industrial mining and 6 manufacturing operations that had a massive impact on the Earth itself. 7 That was once a plethora of riches has inexorably declined, and 8 entrepreneurs are now looking into the limits of land, sea and sky; the new 9 target is the stars and, more especially, asteroids. Spinning around the Sun 10 are tens of thousands of asteroids, and scientists have convinced that

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