Giúp mình với ạ Xđ bậc của các hợp chất sau: $C_{2}$$H_{5}$OH; $C_{2}$$H_{5}$$NH_{2}$ ; $CH_{3}$CH($NH_{2}$)$CH_{3}$ ; $CH_{3}$CH(OH)$CH_{3}$ ; $CH_{3}$$NHC_{2}$$H_{5}$ ; $C_{6}$$H_{5}$$N(CH_{3}$)$_{2}$ ; $(CH_{3}$)$_{3}$N

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11. Children may copy their parents’_________ because they are too small to distinguish the rights and wrongs. A. behaviors B. burdens C. chores D. roles 12. The _________ idea of men’s crying severely constraints their emotional expression. A. equal B. collaborative C. traditional D. contributive 13. Each member should _________ in chores so that there is no quarrel in the house. A. take turns B. take care C. spend time D. take responsibility 14. An easily bored person tends to take ____ different hobbies yet get fed up with all of them at the end of the day. A. out B. in C. on D. up 15. The report said that the UK has the largest gender _________ between women's and men's earnings (thu nhập). An average man’s earnings are nearly three times higher than that of a woman. A. gap B. convergence C. equality D. burden 16. Setting a good _________, particularly when it comes to drinking alcohol, helps protect your child from making unhealthy choices as they continue to grow and become more independent. A. role B. example C. duty D. balance 17. Look at those dirty dishes. You should _________ before our mother goes home. A. do the washing-up B. do the washing C. do the ironing D. do the dusting 18. Tom can’t have the newspaper now because his aunt _________ it. A. reads B. is reading C. has read D. read 19. A: Has Anna _________ met a famous person? - B: No, she hasn’t. A. ever B. already C. never D. yet 20. My English _________ since I moved to Australia. A. has really improved B. had really improved C. used to really improved D. really improved 21. Breadwinners are usually the ones who take care of _________. A. recreation B. childcare C. household chores D. household finances 22. You _________ your hands before eating. You’re so dirty! A. always aren’t washing B. don’t always wash C. aren’t always washing D. always don’t wash 23. My father _________ the dog every morning like clockwork. A. walks B. walk C. is walking D. has walked 24. Before she moved to Brixham, she _________ her house. A. sold B. has sold C. had sold D. was selling 25. That was the first time she _________ to America. A. went B. goes C. has been D. had been 26. Vai trò của những người cha trong gia đình đã từng là những trụ cột nhưng giờ đây, họ bắt đầu giúp những người vợ trong việc nhà và chăm sóc con. (Translate this sentence into English)