\(10{C_6}{H_5}COOCH = C{H_2} + 22KMn{O_4} + 33{H_2}S{O_4}\xrightarrow{{{t^o}}}\)
\(10{C_6}{H_5}COOH + 11{K_2}S{O_4} + 22MnS{O_4} + 20C{O_2} + 48{H_2}O\)
vẽ biểu đồ trong thể hiện cơ cấu kinh tế của australia
I. MULTIPLE CHOICE (8.0 points) Mark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. 1. A. doubt B. suburb C. plumber D. climb 2. A. monthly B. sunbathing C. southern D. weather Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions. 3. A. efficiency B. profitable C. considerate D. mysterious 4. A. occur B. pollute C. typhoon D. access Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correcting in each of the following questions. 5. Youngsters nowadays (A) often (B) pay much attention (C) to physical attractive (D). 6. Although (A) her severe (B) pain, she tried to walk to (C) the auditorium to attend (D) the lecturer. 7. Those students are trying their (A) best (B) in order that (C) get (D) the scholarship. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. 8. His doctor__________him to eat less and do more exercise. A. said B. suggested C. advised D. insisted 9. The curriculum at the public school is as good__________of any private schoo. A. or better than B. as or better than C. as or better than that D. as or better than those 10. It’s__________a box for me to lift by myself so I think I need some help with this. A. big B. too big C. vey big D. such big 11. He is__________from a cut in his finger. A. blooding B. bleeding C. blood D. bloody 12. The boss doesn’t criticize other people like that. Why does he have to run her__________all the time? A. down B. over C. up D. in 13. Have you been to the new shopping centre ont he__________of town? A. centre B. middle C. outskirts D. suburbs 14. We’ll let you buy a motorbike__________you ride it carefully. A. as if B. whenever C. although D. as long as 15. There are some parts of the world__________even now people cannot live. A. to whom B. which C. that D. where 16. He enjoys__________tennis and keeps on__________sensibly; that’s why he is fat. A. playing – eating B. playing – to eat C. to play – to eat D. to play – eating Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. 17. – “What an attractive hair style you have got, Mary!” – “__________.” A. Thank you very much. I am afraid. B. You are telling a lie. C. Thank you for your compliment. D. I don’t like your sayings. 18. – “__________”. – “Oh, it’s great!” A. How is the journey like? B. Would you like the journey? C. What do you like about the journey? D. What do you think of the journey? Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. 19. In 1989, a ban was given on all international trade in ivory. A. a destruction B. an allowance C. an exploitation D. a prohibition 20. The factory is fined for discharging dangerous chemicals into the river. A. releasing B. decreasing C. increasing D. keeping Mark the letter A, B, C or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. 21. Punctuality is imperative in your new job. A. Being efficient B. Being courteous C. Being late D. Being cheerful 22. Pure water is often a fairly rare commodity that requires significant energy to produce. A. clean B. contaminated C. fresh D. flawless
tony _______ ___________ passing his driving test at the first attempt
Quãng đường AB dài 114 km, cùng một lúc một ô tô đi từ A về B và một xe máy đi từ B về A . Sau 1 giờ 12 phút thì hai xe gặp nhau. Tính vận tốc của mỗi xe, biết rằng vận tốc của ô tô hơn vận tốc của xe máy là 15km/giờ.
Talk about your favourite food and drink
Mng giúp gấp với ạ: Hãy viết đoạn văn khoảng 12 câu theo cách lập luận tổng phân hợp, làm rõ tâm trạng của ông Hai khi nghe tin làng Chợ Dầu theo giặc. Trong đoạn văn sử dụng thành phần biệt lập và phép nối (gạch chân và chú thích)
vẽ hộ mình lá bài uno đổi chiều mà ko màu vs ạ
1 mảnh đất HCN có chu vi 36m . Nếu giảm CR 3m và tăng CD 10, thì diện tích mảnh đất là 100m . Tính kích thước mảnh đất ban đầu
kể tên 3 cuộc khởi nghĩa nông dân chính thế kỉ 19 đang cần gấp
you _______ me ______ my brother. we are very alike!
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