Thực hiện chuỗi phản ứng sau đây: NaCl → HCl → Cl2 → Br2 → I2 → AlI3 CaOCl2

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V. Read the passage below and choose one correct answer for each question. My first visit to the cinema was a very unhappy one. I was taken there by some friends when I was only seven years old. At first there were bright lights and music and I felt quite happy. When the lights went out, I felt afraid. Then I saw a train on the screen. The train was coming towards me. I shouted out in fear and got down under my seat. When my friends saw me, they started to laugh. I felt ashamed and sat back in my seat. I was very glad when the film ended. 1.Who took the writer to the cinema for the first time? A.His father B. his parents C. his parents’ friends D. his friends 2.How did he feel at first? A.Excited B. unhappy C. sad D. quite unhappy 3.He was frightened when……………. A.There was music B. The cinemas had no light C. The train ran D. his friends saw him 4.Where did he hide when he saw the train coming towards him? A.Under the seat B. on the screen C. on his friends’ back D. under the train seat 5.How did he feel when the film finished? A.Very sad B. very unhappy C. quite happy D. quite right VI. Find a mistake in the four underlined parts of each sentence and correct it. 1. The children felt very terrifying when they watched that horror film………………… A B C D 2. Lots of people enjoy Titanic despite it has an unhappy ending……………………….. A B C D 3. We found the film bored, so we left halfway through it………………………………. A B C D 4. Although his old age, Mark performed excellently in his latest film…………………… A B C D 5. Almost people wereshock by the way the film star behaved…………………………. A B C D