những thắng lợi trên mặt trận quân sự của quân dân miền Nam giai đoạn 1961 1965 có tác động như thế nào đến cuộc kháng chiến chống Mỹ của nhân dân ta

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1.Having failed a number of times, he is learning how to think ________. A. science B. scientific C. scientifically D. scientifical 2.Carbon dioxide is released through _________ processes such as respiration and volcano eruptions and through _________ activities such as deforestation, land use changes, and burning fossil fuels. A. man–made / ordinary B. human / natural C. ordinary / man –made D. natural / human 3. A strong greenhouse effect will warm the oceans and partially melt glaciers, increasing _________. A. sea level B. temperature C. sea water D. pollution 4. Her classmates admire her so much because she has a clear _________ mind. A. analysis B. analytical C. analytics D. analyze 5. ________ means an illness that can be passed from one person to another, especially through the air people breathe. A. infectious disease B. heat-related illness C. headache D. stomach ache 6. A large amount of carbon dioxide ________ are released into the atmosphere by burning fossil fuels. A. gases B. emissions C. effects D. levels 7. I believe that the only way for us to reduce global warming is to cut down ________ energy use. A. on B. to C. at D. in 8. The alarming rate of deforestation results in damage ________ the quality of the land. A. to B. in C. at D. for 9. Deforestation is one of the biggest environment threats to the ________ in the world. A. infectious diseases B. ecological balance C. carbon footprint D. greenhouse gases 10. _____________ is a stable ecosystem in which a large number of species live together A. Greenhouse gas B. Climate change C. Global warming D. Ecological balance