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dcmconcho29
2 năm trước
Đốt cháy hoàn toàn m gam hh X gồm etan và propan,sau phản ứng thu được 1,568l CO2 và 1,8g H2O. a)Tính %V các khí b) Xác định m
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I.Read the following passage and choose the best answer to each question. Write your answers in the space provided. (1.0 point) Sumo Sumo wrestling is a national sport in Japan. Every year there are six tournaments, and millions of Japanese watch them on television. Sumo is almost as old as the nation of Japan itself. Stories say that there was sumo wrestling over 2,000 years ago. History says that there were national sumo tournaments in the eighth century. Usually athletes are thin and can move very quickly. It is beautiful to watch them play. However, sumo wrestlers weigh from 100 to 160 kilos. One famous wrestler weighed 195 kilos. Sumo wrestlers do not look beautiful, and sumo wrestling is very slow sport. Sumo wrestlers wrestle in a round ring with a sand floor. A wrestler loses the match if he leaves the ring. He is also the loser if any part of the body except his feet touches the floor. Each wrestler tries to push the other down on the floor or out of the ring. People from other countries usually think sumo is very strange, but the Japanese love it. Even young people find this traditional sport exciting. 1. How old is Sumo wrestling? A. over twenty years B. over two hundred years C. over two thousand years D. over two million years 2. Sumo wrestlers are________________ . A. thin B. quick C. small D. fat 3. Sumo wrestling is a very____________ . A. slow sport B. fast sport C. boring sport D. dangerous sport 4. A sumo wrestler loses the match if________________ . A. his feet touch the floor B. he is inside the ring C. he pushes the other down D. he is out of the ring 5. Young Japanese people find Sumo wrestling_______________ . A. quickly B. exciting C. boring D. bad II.Fill in each numbered blank with ONE suitable word. Write your answers in the space provided. (2.0 points) Fishing (1)______ my favorite pastime. I often fish for hours (2)_______ catching anything . But this does not worry me. Some fishermen (3)_______ unlucky . Instead of catching (4)______, they catch old boots and rubbish. I am even less lucky. I never catch anything - not even old boots. After having spent whole mornings (5)______ the river. I always (6)________ home with an empty bag . "You must give up fishing! "my friends (7)_________: "It's a waste of (8)____________". But they (9)__________ realize one important thing. I'm (10)__________ interested in fishing . I am only interested in sitting on the boat and doing nothing.

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