BÀi TẬP 1:Ở xã sau có 460ha đất trồng cao su và 540ha đất trồng sắn . Hỏi diện tích đất đất trồng cao su bằng bao nhiêu phần trăm diện tích đất trồng sắn ? giúp tui vs ạ

trong các công xưởng dệt người ta thường treo các tấm kim loại đã nhiễu điện ở trên cao làm vậy có tác dung gì

Read the passage carefully, then choose the correct answers. This is a story that Charlie Chaplin liked to tell about himself. It happened after the great actor had become internationally famous. A theater announced that a competition would be held to see who could act like Charlie Chaplin. Those taking part in it had to dress like Chaplin, walk like Chaplin and act one of the roles in a Charlie’s film. When Charlie Chaplin heard about the competition, he decided to take part in the competition himself. Naturally, he kept his plan a secret from everybody. When the results of the competition were announced, Charlie said: “I didn’t know whether to feel angry or only surprised. I didn’t win the first prize. But after thinking about it, I decided that it would be best to laugh “. 1. This is a story which ________________________. A. was told by his friends. B. happened even he was not famous yet. C. Charlie was fond of telling. D. was announced at the competition. 2. People who took part in the competition had to ________________________. A.imitate Chaplin’s walking, dressing and acting. B. keep it a secret from other people. C. sing a song. D. be a great actor. 3. Chaplin didn’t ________________________. A. take part in the competition. B. allow this competition to be held. C. like the competition. D. tell anybody about his plan. 4. When the results of the competition were announced, ________________________. A. he was very surprised and angry. B. he learnt that he had won the first prize. C. he learnt that somebody else had won the first prize. D. he learnt that his new film was a success. 5.When learning the news, he decided ________________________. A. to keep a secret B. to laugh. C. to be angry D. not to take part in such a competition

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