Cho hình chóp tam giác đều S.ABC có cạnh đáy bằng 2a, cạnh bên bằng 3A.Gọi H là tâm của đáy và K là trung điểm cạnh AB A.cm AB vuông góc với SC B.tính góc giữa mặt bên và mặt đáy

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1. Choose the right words (o. b. C ar di so fill the blenks: (3ma) LI live 12 Tran Hung Dao street. a. in b. on C. at d. next to is it from here to school? About two kilometers. a. How far 2. b. How high c. How long d. How 3. Would you like. sandwiches? d. some a. any b. much C. many 4. He takes care of sick people. He is a c. teacher d. journalist a. doctor. b. farmer. 5. is your telephone number? a. When d. what b. Which c. Where 6. Ha Noi is a big city, but it is. than HCM city. a. the smaller C. smallest d. small b. smaller II. Match the item in column A with the item in column B (1m). a. in a primary school b. the housework c. for a newspaper d. vegetables 1. do 2. grow 3. teach 4. write II. Use: "What + (a/ an) + adj+ N". Then write exclamations (2 ms) 1. It is an old house. 2. She is a nice girl. 3. They are intelligent boys. 4. The girl is very beautiful. V. Read the passage. Then answer the questions and true (T) or false (F) (2ms). Trung is a student in class 7A. His full name is Pham Quoc Trung. He is 13 years Id now, but he will be 14 on his next birthday. Trung lives with his parents at 2/24 guyen Trai Street. Trung's house isn't large but it's very comfortable. It has a bright ving room, two lovely bedrooms, a modern bathroom and a kitchen. There is a small ard in front of his house. Trung's mother grows flowers in the yard. a. Answer the questions: 1. What does Trung do? 2. How old is he now? 3.Is there a yard in front of his house? 4. What does ber mother grow? b. True (T) or false (F): Tung is in class GA. 2. He lives with his parents giúp mik vs mn, mik đag cần gấp

1. Choose the right words (o. b. C ar di so fill the blenks: (3ma) LI live 12 Tran Hung Dao street. a. in b. on C. at d. next to is it from here to school? About two kilometers. a. How far 2. b. How high c. How long d. How 3. Would you like. sandwiches? d. some a. any b. much C. many 4. He takes care of sick people. He is a c. teacher d. journalist a. doctor. b. farmer. 5. is your telephone number? a. When d. what b. Which c. Where 6. Ha Noi is a big city, but it is. than HCM city. a. the smaller C. smallest d. small b. smaller II. Match the item in column A with the item in column B (1m). a. in a primary school b. the housework c. for a newspaper d. vegetables 1. do 2. grow 3. teach 4. write II. Use: "What + (a/ an) + adj+ N". Then write exclamations (2 ms) 1. It is an old house. 2. She is a nice girl. 3. They are intelligent boys. 4. The girl is very beautiful. V. Read the passage. Then answer the questions and true (T) or false (F) (2ms). Trung is a student in class 7A. His full name is Pham Quoc Trung. He is 13 years Id now, but he will be 14 on his next birthday. Trung lives with his parents at 2/24 guyen Trai Street. Trung's house isn't large but it's very comfortable. It has a bright ving room, two lovely bedrooms, a modern bathroom and a kitchen. There is a small ard in front of his house. Trung's mother grows flowers in the yard. a. Answer the questions: 1. What does Trung do? 2. How old is he now? 3.Is there a yard in front of his house? 4. What does ber mother grow? b. True (T) or false (F): Tung is in class GA. 2. He lives with his parents giúp mik vs mn, mik đag cần gấp