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2 năm trước
Bài 4: Tìm nghiệm của các đa thức sau đây: a) Q(x)= 4x – 2(3x – 5)+ 2 b) P(x)= $x^{2}$ – 7x + 12
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Có 2 đoạn văn bản cùng nói về cây tre như sau: a. Lũy giữa cũng toàn là tre nhưng là loại tre thẳng (tre hóa). Lũy trong cùng tre càng thẳng hơn. Tre óng chuốt, vươn thẳng tắp, ngọn không dày và rậm như tre gai. Suốt năm tre xanh rờn, đầy sức sống. b. Tre, nứa, trúc, mai, vầu, mấy chục loại khác nhau nhưng cùng một mầm non măng mọc thẳng. Vào đâu tre cũng sống, ở đâu tre cũng xanh tốt. Dáng tre vươn mộc mạc, màu tre tươi nhũn nhặn. Rồi tre lớn lên, cứng cáp, dẻo dai, vững chắc. Tre trông thanh cao, giản dị, chí khí như người. So sánh để chỉ ra điểm khác nhau về phương thức biểu đạt của 2 đoạn văn trên và nêu rõ đoạn văn nào thuộc phương thức biểu cảm? Vì sao?

17. It is impossible for air passengers to take knives in their hand luggage. A.Air passengers can’t take knives in their hand luggage. B.Air passengers don’t have to take knives in their hand luggage. C.Air passengers shouldn’t take knives in their hand luggage. D.Air passengers can take knives in their hand luggage. 18.The last time I wrote the letters by hand was when I wrote to you. A.I wrote the letters by hand when I wrote to you. B.I haven’t written the letters by hand since I wrote to you. C.I wrote the letters by hand was when I wrote to you. D.I last wrote the letters by hand was when I wrote to you. 19. Linda and Jane learn Spanish. They are going to Mexico. A.Linda and Jane learn Spanish going to Mexico. B.Linda and Jane learn Spanish go to Mexico. C.Linda and Jane learn Spanish to go to Mexico. D.Linda and Jane learn Spanish went to Mexico. 20. I think it’s a bad idea to go on your own. A.You haven’t to go on your own. B.You can’t go on your own. C.You should go on your own. D.You shouldn’t go on your own 1. I/ go/ buy/ ticket/ next/ film. A. I’m going to buy a ticket for the next film. B. I going to buy a ticket for the next film. C. I’m going to buying a ticket for the next film. D. I’m going to buy a ticket in the next film. 2. You/ can/ see/ types/ films/ include/ comedies/ documentaries. A. You can to see many types of films include comedies, documentaries. B. You can see many types of films including comedies, documentaries. C. You can see a types of films including comedies, documentaries. D. You can seeing many types in films including comedies, documentaries. 3. She/ go/ cinema/ weekend/ see/ Johnny/ new/ film. A. She goes to the cinema at the weekend to see Johnny’s new film. B. She go to the cinema at the weekend to see Johnny’s new film. C. She’s going to the cinema at the weekend to see Johnny’s new film. D. She’s going to the cinema in the weekend to see Johnny new film. 4. Many/ people/ like/ Van Gogh/ paintings/ sunflowers/ but/ I/ prefer/ his/other/ ones. A. Many people like Van Gogh’s paintings sunflowers but I prefer his other ones. B. Many people like Van Gogh of paintings of sunflowers but I prefer his other ones. C. Many people like Van Gogh paintings of sunflowers but I prefer his other ones. D. Many people like Van Gogh’s paintings of sunflowers but I prefer his other ones. 5. Japanese/ art/ famous/ landscape/ paintings. A. Japanese art is famous for landscape paintings. B. Japanese art is famous with landscape paintings. C. Japanese art are famous with landscape paintings. D. Japanese art is famous for landscape of paintings. 6. Researchers/ say/ new/ technology/ change/ world/ forever. A. The researchers say that new technology has changed our world forever. B. The researchers say that new technology have change our world forever. C. The researchers say that new technology changed our world forever. D. The researchers said that new technology had changed our world forever. 7. You/ ever/ telephone/ cinema/ time/ film/ ?/ A. Have you ever telephone a cinema for the time of the film? B. Have you ever telephoned a cinema for the time of the film? C. Did you ever telephone a cinema for the time of the film? D. Have you ever telephoned a cinema in the time of the film? 8. We/ can/ practise/ English/ together/ speak/ English. A. We can practise English together by speak English. B. We can practise English together in speaking English. C. We can to practise English together by speaking English. D. We can practise English together by speaking English. 9. Sometimes/ hotels/ full/ so/ we/ book/ room/ advance. A. Sometimes the hotels are full so we should book a room in advance. B. Sometimes the hotels have been full so we should book a room in advance. C. Sometimes the hotels are full so we should a book of room in advance. D. Sometimes the hotels are full so we should book a room before advance. 10. I/ have/ know/ everything/ city/ because/ tourists/ ask/ some/ questions. A. I have to knew everything in the city because the tourists ask some questions. B. I have to know everything on the city because the tourists ask for some questions. C. I have to know everything about the city because the tourists ask some questions. D. I have known everything about the city because the tourists ask some questions. 11. Most countries/ cars/ drive/ right/ hand/ road. A. At most countries, cars drive on the right hand of the road. B. In most countries, cars drive on the right hand of the road. C. In most countries, cars drive in the right hand of the road. D. In most countries, cars drive on the right hand on the road.

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