user-avatar
vuduyen482003
2 năm trước
phương pháp hóa học để phân biệt : cacbonic,sunfurơ,propen,propin,propan
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Choose the letter A, B, C or D the word that has different stress pattern from others. Question : 8 . A. planet B. curly C. lucky D. extreme Question : 9 . A. principle B. sociable C. introduce D. humorous Question : 10. A. public B. exchange C. carry D. friendly Question : 11. A. enough B. planet C. silly D. cousin Question : 12. A. grocery B. encounter C. advantage D. commercial Question : 13. A. photograph B. principle C. interview D. employee Question : 14. A. extreme B. enough C. listen D. convey Question : 15. A. character B. extremely C. sociable D. grocery Choose the letter A, B, C or D to complete the sentences Question : 16. – “_____________?” – “I’m six years old.” A. How old are you? B. How are you? C. How old you are? D. Hello. Question : 17. Would you like __________ a cartoon with us tonight? A. to watch B. watch C. watching D. watches Question : 18. What is your favorite _________activity? A. cultural B. leisure C. hooked D. addicted Question : 19. How old __________ she? A. are B. is C. am D. was Question : 20. Let ________ stay at home and watch TV. A. we B. our C. us D. ours Question : 21. The show is _____ for us to see. A. enough interesting B. very interesting C. interesting enough D. interesting Question : 22. “How are you?” “___________” A. I’m a student. B. I’m fine, thanks. And you? C. I’m eleven. D. I live in Hanoi. Question : 23. I detest ___________ with weird people. A. communicating B. relaxing C. joining D. minding Question : 24. What do you and your friends often ___________ at free time? A. go B. do C. get D. have Question : 25. I _______ home once a week to tell my parents I'm okay. A. rang B. had rung C. ring D. have rung

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team