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healthy, and they are also great fun. Teams usually have a good social life, too- you39。ll go to lots of parties and make many friends. Collect something One of the best hobbies for under 18s is collecting things. You could collect kinds of stamps, or you could collect things that make you remember what you have done, like cinema tickets for films you have seen or s from friends. Then best way to collect is to have a special album to put your collection in and to write what each thing means to you. In that way you won39。t fet. 41. The most important reason for learning to swim is that ________. A. you might feel well B. can make you healthy C. you might easily do lots of things D. it can save your life 42. “A good social life” in the passage means ________. A. you39。ll study in groups B. you39。ll go to parties and make many friends C. you39。ll take part in many matches D. you39。ll work in the society 43. The writer tells us that one of the best hobbies is to ________. A. collect something B. do some water sports C. camp out in the garden D. send s to your friends 44. What kind of collection is NOT mentioned in the passage? A. Stamps. B. Cinema tickets. C. Snowballs. D. Emails. 45. The passage is mainly about ________ before you are 18. A. good habits to keep B. skill to have C. things to do D. sports to play C Many astronauts go into space. How do they live in space? Let’s find out. A space station is a little bigger than a football field(足球場 ). It is about as heavy as 450 cars. Astronauts live and work in space stations. Astronauts use sleeping bags to sleep. And they need a patch(眼罩 ), or it’ll be too bright for them to fall asleep. There is no gravity in space. Astronauts float in the space station. Food for astronauts is different from what we eat on Earth. People remove(抽出 ) water from it. It will not take up so much room this way. Astronauts add some water and warm the food before they eat. Do astronauts use spoons or chopsticks? No, they use straws(管) . Water is very precious in space. Astronauts can’t use much water at a time. When astronauts want to clean their hands or faces, they use a wet towel with liquid soap(液體肥皂 ) in it. When astronauts want to wash their hair, they use waterless shampoo(洗發(fā)精 ). It does not need any water. To clean their bodies, astronauts use wet towels. The towels have body soap in them. 46. What does an astronaut need for sleeping according to the passage? A. A bed. B. A sleeping bag C. An airconditioner. D. A pair of sunglasses. 47. Why do people remove water from the food for astronauts? A. Because astronauts don’t need water. B. Because it tastes more delicious. C. Because it can keep the food warm. D. Because it will not take too much room. 48. What does the underlined word “precious” mean in Chinese? A. 便宜的 B. 干凈的 C. 珍貴的 D. 充沛的 49. What do astronauts use to clean their bodies? A. Dry towels with body soap. B. Shampoo. C. A lot of water. D. Wet towels with body soap. 50. Which is the best title for the passage? A. Different life in space. B. A sp