Hỗn hợp X chứa 21,4 gam hỗn hợp gồm ancol propylic và phenol tác dụng hết với Na dư thì thu được 3,36 lít khí H2 (đktc) a/ Xác định % khối lượng của các chất trong X b/ Cho 21,4 gam X phản ứng hết với dung dịch NaOH 0,2M . Tính thể tích dung dịch NaOH đã dùng

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Mọi người giúp em với, em cần gấp lắm ạ I. Complete the second sentence so that it has the similar meaning to the first one. 1. Many people now speak English as a second or foreign language. For many people, English is not__________________________________________ 2. Most husbands didn't do any housework in the past. Nowadays, most of them often share housework with their wives. Most husbands_______________________________________________________ 3. I’m going to attend a summer camp next week. I plan_______________________________________________________________ 4. The child doesn’t talk to you because you look serious. The child would______________________________________________________ 5. Tourists throw trash in the places they come to, which will make the places polluted. If__________________________________________________________________ 6. They will have to repaint the house. The house___________________________________________________________ 7. More families will use dish washers in the corning years. Dish washers_________________________________________________________ 8. By the end of this week, my father will have bought a new vacuum cleaner as a gift for my mother. By the end of this week, a new vacuum cleaner______________________________ 9. It takes a long time to leam a foreign language. We spend___________________________________________________________ 10. In spite of her dream to become a singer, her parents force her to study Economics. Although____________________________________________________________ 11. This is the first time he goes abroad. He hasn’t___________________________________________________________ 12. Can’t you find a better hotel? Is this _____________________________________________? 13. You are not permitted to smoke in the main hall. Smoking is__________________________________________________________ 14. The last time she had a break was 2 years ago. She hasn’t___________________________________________________________ 15. "How about going to the cinema tonight?", said Tom. Tom suggested_______________________________________________________ 16. Five students will be awarded a present. Their test results are excellent. Five________________________________________________________________ 17. Although Nam is very good with numbers, I still think that he is not suitable for a job as an accountant. In spite of the fact that__________________________________________________ 18. Working as a salesman for this company might give you a lot of chances to travel abroad. lf you_______________________________________________________________ 19. In the past, students only learned what teachers provided them. Nowadays, students are expected to self-study a lot. Students_____________________________________________________________ 20. "Why don't we share the cost of the tour?" said my friend. My friend suggested___________________________________________________ 21. Although he couldn't draw beautifully, he still wanted to become an artist. Despite_____________________________________________________________ 22. My grandfather is 73 years old now. He does exercise every day to keep fit. My grandfather_______________________________________________________ 23. I didn’t pass the exam. Lack of practice is the reason for that. Lack_______________________________________________________________ 24. I went to the zoo last week and that is where I saw a real tiger for the first time. Before I_____________________________________________________________ 25. Everyone heard about your trip before I did. I was the____________________________________________________________ 26. I work in this building. This building is the tallest one in the city. The building_________________________________________________________ 27. She is still not satisfied with her husband even though he fully supports her in doing housework. In spite of___________________________________________________________ 28. Although her height is limited, she wishes to become a famous model. Despite_____________________________________________________________ 29. Working long hours or working overtime is not a problem to him. He doesn't___________________________________________________________ 30. Alice made a mistake in her homework. She remembered it. Alice remembered_____________________________________________________