jupp, giaj hpt bằng 3 cách a. x-y=2 và 2x-3y =1 b. 7x - 2y =1 và 3x+y=6 c. 2x-y=5 va 2x+2y=20

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Circle the letter A, B, C, or D on your answer sheet to indicate the best reply in each of the following questions. (0,5point) 23.-Havy: " Thanks for your help, July". - July: " ___________" A. With all my heart. B. Never remind me. C. It's my pleasure. D. Wish you. Question 24.- Nick: “Do you think customs and traditions are the same?” - Phong: “___________” A. Really? B. You’re kidding! C. Sounds lovely! D. They’re different. Circle the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following The Tay live mainly in the Northeastern part of Viet Nam. They live in large and crowded villages with hundreds of houses. They live in houses built on stilts. They are mainly farmers and they grow rice on terraced fields. They also raise cattle and poultry. Tay traditional dress is made from homegrown cotton. There is usually not much embroidery or other decorations. Women wear skirts or trousers, with short shirts inside and long one on the outside. They have many festivals and holidays in a year. The Lunar New Year and the mid-July festivals are the most lavishly organized. During festivals, people in many places play con throwing, badminton, tug-of-war, dragon dancing, or chess. The Tay eat mainly sticky rice. On festival occasions, they make many kinds of cakes, such as banhchung (sticky rice square cakes), banh day (sticky rice round cakes) or banhkhao (cakes made of white rice flour). 25. Which is true of the Tay’s life? A. They mainly work in agriculture. C. They have one very important festival a year. B. They work in industry. D. They buy cotton to make dress. 26. What is the main food of the Tay? A. sticky rice C. sticky rice square cakes B. sticky rice round cakes D. cakes made of white rice flour 27. Which of the following best describes the main idea of the passage? A. The Tay live in the Northeastern part of Viet Nam. B. The Tay make many kinds of cakes on festival occasions. C. The Tay have many festivals and holidays in a year. D. The life of the Tay in Viet Nam. 28. Which of the following is NOT true of the Tay? A. They live on stilt houses. C. They wear clothes with much embroidery. B. They grow rice on terraced fields. D. They eat sticky rice.