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monsternbd19
2 năm trước
khi nung 12,32g hh( K2CO3xH2O , Na2CO3.10H2O)THÌ THU ĐƯỢC 7,64G HH muối khan , cho hh trên tác dụng với dd HCl lấy dư thoát ra 1,344l khí ở đktc. xđ cthh của tt K2CO3xH2O mình cần gấp giúp mình với ạ
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IX. 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 Giups với ạ, hứa sẽ vote đầy đủ, camon nhiều

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