Giải giúp với ạ 13. Thousands of acres of forest are being cut down every year,and the ____ of many animals are being destroyed.,A. natural resources B. natural habitats C. ways of life,D. living surroundings,14. Burning garbage _____ dangerous gases to the environment,,and this may lead to global warming.,A. emits B. throws C. absorbs D.,rejects,15. When many animals disappear, this damages the natural,balance of ______.,A. ecosystem B. species C. resource D.,area,16. One of the main causes of air pollution is ____ produued by,machines and factories.,A. waste gases B. products C. pesticides D.,devices,17. The most typical ______ activities are visits and studies in some,national parks, adventurous activities in the mountain areas, and,community-based ecotourism activities in the mountainous areas.,A. ecotourism B. conservation C. preservation D.,traveller,18. The Mekong Delta is an extraordinary place that ____,international tourists.,A. offers B. considers C. attracts D.,persuades,19. There has been a steady rise in the average temperature,around the planet over the last hundred years or so, and the,majority of scientists put it ____ to human attiviy..,A. down B. back C. up D. across,20. It is predicted that over the next few decades many species,will die _____ as once fertile areas turn to desert.,A. off B. out C. up D. down,21. Most of the air pollution results ____ the burning of fossil,fuels, motor vehicles, factories, aircraft and rockets.,A. in B. to C. on D. from,22. Fish and poultry have a much lower impact ____ the,environment, and other plant proteins are even less damaging to,the planet.,A. on B. with C. for D. of,23. Mass tourism may ___ numerous problems.,A. bring in B. bring up C. bring about D. bring,away,24. Ecotourism means travel to areas of natural or ecological,interest to ______illliie and learr abaut the envvirooenn.,A. look at B. look up C. look into D. look,down

Question

Giải giúp với ạ 13. Thousands of acres of forest are being cut down every year,and the ____ of many animals are being destroyed.,A. natural resources B. natural habitats C. ways of life,D. living surroundings,14. Burning garbage _____ dangerous gases to the environment,,and this may lead to global warming.,A. emits B. throws C. absorbs D.,rejects,15. When many animals disappear, this damages the natural,balance of ______.,A. ecosystem B. species C. resource D.,area,16. One of the main causes of air pollution is ____ produued by,machines and factories.,A. waste gases B. products C. pesticides D.,devices,17. The most typical ______ activities are visits and studies in some,national parks, adventurous activities in the mountain areas, and,community-based ecotourism activities in the mountainous areas.,A. ecotourism B. conservation C. preservation D.,traveller,18. The Mekong Delta is an extraordinary place that ____,international tourists.,A. offers B. considers C. attracts D.,persuades,19. There has been a steady rise in the average temperature,around the planet over the last hundred years or so, and the,majority of scientists put it ____  to human attiviy..,A. down B. back C. up D. across,20. It is predicted that over the next few decades many species,will die _____ as once fertile areas turn to desert.,A. off B. out C. up D. down,21. Most of the air pollution results ____ the burning of fossil,fuels, motor vehicles, factories, aircraft and rockets.,A. in B. to C. on D. from,22. Fish and poultry have a much lower impact ____ the,environment, and other plant proteins are even less damaging to,the planet.,A. on B. with C. for D. of,23. Mass tourism may ___ numerous problems.,A. bring in B. bring up C. bring about D. bring,away,24. Ecotourism means travel to areas of natural or ecological,interest to ______illliie and learr abaut the envvirooenn.,A. look at B. look up C. look into D. look,down

Accepted Answer

13. B. natural habitats
14. A. emits
15. A. ecosystem
16. A. waste gases
17. A. ecotourism
18. C. attracts
19. C. up