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buithihongnhung260993
2 năm trước
khi metan bị lẫn tạp chất là khí etilen . Bằng phương pháp hóa học nào có thể loại bỏ tạp chất ra khỏi metan ? viết phương trình hóa học minh họa
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Fill in the correct particle(s). 1. No one can do ………………………. water for more than two days. 2. The death penalty was done ………………………. in Britain many years ago. 3. You’d better do your shoes ………………………. or you’ll trip over your laces. 4. He was arrested for doing ………………………. a woman with a gun. 5. It’s so hot, I could do ………………………. a nice cool drink. 6. Theatre attendance has fallen ………………………. because of the rise in ticket prices. 7. Our holiday plans fell ………………………. when all the airlines went on strike. 8. After some disagreement, they finally fell ………………………. our suggestions.91. Once we’d spent all our money, we fell ………………………. our credit card. 10. John fell ………………………. the rest of the class after being ill for three weeks. 11. George always falls ………………………. girls with blonde hair. 12. I fell ………………………. one of my friends and haven’t spoken to her for weeks.

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