Bài 3 cho B=$\frac{6n+3}{3n-2}$ a, Tìm n để B=$\frac{3}{2}$ b,Tìm n ∈ z để B nhận giá trị nguyên Hoi khó hứa cho hay nhất

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chỉ ghi đáp án [Tổng: 2 bài (15 câu: 10 câu khoanh, 5 câu điền từ)] I. Circle best option A, B, C or D to complete the following sentences. (10pts) 1. I feel tired. I'd like __________. A. to sit down B. to run C. some noodles D. some fish 2. __________her lips full or thin? A. Do B. Does C. Are D. Is 3. This sign says “Stop!”. We go straight ahead. A. can B. should C. must D. mustn’t 4. Mr. Nam gets up at 7.00 and eats __________. A. a big breakfast B. big breakfast C. the big breakfast D. a breakfast big 5. Mr. Quang and the farmer are loading the truck __________vegetables. A. on B. with C. at D. of 6. The weather is __________today than yesterday. A. so better B. very better C. too better D. much better 7. __________? ~ We play badminton and swim. A. What sports do you and your brother like? B. Which sports do you and your brother play? C. When do you and your brother play sports? D. What are you and your brother doing? 8. There is __________rice in the jar. We can’t cook rice now. A. a little B. little C. a few D. few 9. Would you like __________noodles? ~ I’m full. I don’t want __________more. A. any/ any B. some/ some C. any/ some D. some/ any 10. I’m going to the __________now. I want to buy some bread. A. post office B. drugstore C. bakery D. toy store II. Use the words given in brackets to form a word that fits in the space. (5pts) 1. At an intersection, you must slow down. It is a very ...................... place. (danger) 2. Her ...................... are small and white. (tooth) 3. Air ...................... is a big problem in many cities in the world. (pollute) 4. His ...................... are in the yard. They are skipping together. (child) 5. In my ......................, there is a park with many trees and flowers. (neighbor)