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PHANCAOBINH
2 năm trước
Khi đốt khí metan(CH4), khí axetilen(C2H2), rượu etylic(C2H6O) đều cho sản phẩm là cacbonic và hơi nước. Hãy viết phương trình hóa học của các phản ứng trên
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7 Choose the underlined part A, B, C or D that needs correcting. Picture 5 A: A B: B C: C D: D 8 Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. Question 13. Helen: “What a lovely house you have!” Mary: “__________________” A: I think so. B: Of course not. it’s not costly. C: No problem D: Thank you. Hope you will drop in. 9 Choose the best answer A, B, C or D to complete the sentence. Question 10. From 1865 to 1875, a remarkable _______________ of inventions was produced. A: variety B: collection C: diversity D: mixture 10 Choose the best answer A, B, C or D to complete the sentence. Question 11. Alexander Graham Bell was a great___________, who invented the telephone. A: scientist B: conservationist C: developer D: explorer 11 Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits blank (17). Do you know about the history of Jeans? Jeans are very popular with (17)________people all over the world. Some people say that jeans are the “uniform” of youth. But they haven’t always been popular. The story of jeans (18)________almost two hundred years ago. People in Genoa, Italy made pants. The cloth made in Genoa was (19)________“jeanos”. The pants were called “jeans”. In 1850, a salesman in California began selling pants made of canvas. His name was Levi Strauss. Because they were so strong, “Levi’s pants” became (20)________with gold miners, farmers and cowboys. Six years later Levis began making his pants with blue cotton cloth called denim. Soon after, factory (21)________in the US and Europe began wearing jeans. A: rich B: old C: young D: poor 12 Choose the word whose stressed pattern is pronounced differently from the others. A: negative B: immature C: creativity D: nationality 13 Choose the correct sentence (A, B, C or D) that has the same meaning to the given one. Question 25. They have built a new school in our village recently. A: A new school has been built in our village recently B: A new school has built in our village recently. C: A new school was built in our village recently. D: A new school has to be built in our village recently. 14 Choose the best answer A, B, C or D to complete the sentence. Question 9. What __________________ if you saw a UFO? A: did you do B: do you do C: would you do D: will you do 15 Choose the underlined part A, B, C or D that needs correcting. Picture 4 A: A B: B C: C D: D

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