II. Choose the words that have the different stress from the others. 1. A. satisfied B. socialize C. volunteer D. exercise 2. A. information B. technology C. community D. activity 3. A. library B. museum C. melody D. favourite 4. A. protection B. addicted C. computer D. goldfish 5. A. skateboard B. sticker C. adore D. leisure III. Choose the best answer

71. Let me (introduction) ______ myself. I am Peter. * 1 điểm 72. Telephone is a device transmitting (speak) ______ over a long distance. * 1 điểm 73. Last year we had an (enjoy) ______ summer vacation. * 1 điểm 74. He speaks English (nature) ______ after living abroad for a long time. * 1 điểm 75. She actively (participation) ______ in social work last year. * 1 điểm 76. The kitchen can be a (danger) ______ place for children. * 1 điểm 77. The (magic) ______ sawed the girl into two halves. * 1 điểm 78. The air is seriously (pollution) ______ with traffic fumes. * 1 điểm 79. (Fortunate) ______, her step mother didn't treat her well. * 1 điểm 80. Hard work always bring (succeed) ______. * 1 điểm 81. Marconi was the (invent) ______ of the radio. * 1 điểm 82. His (pronounce) ______ of some words is not correct. *

Giúp em với ạ tối nay phải nộp r ạ

GHI CÔNG THỨC HTD PLSSSSSSSSSSSSSSSSSS

Cho ΔABC có ∠B = 60 độ. Hai tia phân giác AD và CE của ∠BAC và ∠ACB ( D ∈ BC; E ∈ AB ) cắt nhau tại I. CMR: ID = IE. [ Bài này là thi hsg TP.HCM năm 2004 - 2005 nha mng ]

Câu 7. Cacbon có hai đồng vị bền là 12C và 13C và Ac =12,01 Tính % khối lượng của 12C trong hợp chất Na2CO3 ( cho MNa = 23; Mo = 16)

giúp mk với ạ .....................

Em cần tự viết ạ chứ chép mạng em ko cần:(( ( lưu ý: 2 đoạn văn diễn dịch và quy nạp về chủ đề đó ạ)

1. Where are the childrens'/ children's friends? 2. My sister / sister's friend is a teacher. 3. The boys's / boys' toys are on the carpet. 4. Is this my brother/ brother's jacket? 5. My cousin / cousin's name is Joanna. Tade 6. Peter is at this aunt/ aunt's house. 7. Is this Peter's / Peters' house? 8. What is your dog / dog's name? 9. My dad's / dad car is very nice. 10. My brothers' / brother names are Frank and Fred. 11. Do you like Tom and Mary's /Tom's and Mary's house? 12. My friend's / friends father is a doctor. 13. My grandfather's /grandfathers' watch is on the shelf. 14. Where is Nicks' Nick's racket? 15. My uncle's / uncles' family lives in New York

1. Jane visits her friends in London. →​ 2. That man has an important test tomorrow. →​ 3. What do they buy for they day? →​ 4. Where does he stay for the night? →​ 5. Who will take care of children? →​ 6. The tourists stop at the restaurant. →​ 7. We won't go there next week. →​ 8. The woman washes the car on weekends. →​ 9. Most of us are playing hide and seek. →​ 10. The boy doesn't prepare for the test. →