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take them wherever we39。ve chosen to sleep. On most space shuttle flights everyone sleeps at the same time. No one has to stay awake to watch over the space plane: the shuttle39。s puters and the engineers at the Control Office do that. If anything goes wrong, the puters ring a warning bell and the engineers call us on the radio. On the space shuttle, sleep time doesn39。t mean nighttime. During each niy minute flight around the earth, the sun “rises” and shines through our windows for about fifty minutes, then it “sets” as our flight takes us around the dark side of the earth. To keep the sun out of our eyes, we wear black sleep masks. It is surprisingly easy to get fortable and fall asleep in space, and we sleep differently. Some sleep upside down, some sideways, some right side up. When it39。s time to sleep, I take my bag, my sleep mask, and my tape player with earphones and float up to the flight platform. Then I get into the bag, and float into a sitting position just above a seat, right next to a window. Before I pull the mask down over my eyes, I relax for a while, listening to music and watching the earth go by under me. When I39。m in space I don39。t need as much sleep as I do on earth. Maybe that39。s because when I am weightless, I don39。t feel as maybe it39。s because I39。m excited to be in space and don39。t want to waste time sleeping. 1. What do people in the shuttle do with their sleeping bags while working? A. Keep them where they work. B. Leave them where they sleep. C. Place them on the beds. D. Fix them to the wall. 答案與解析 D 細(xì)節(jié)理解題。根據(jù)第一段的 “when we are working, we leave the bags tied to the wall, out of the way.”可知,工作時(shí)作者他們把睡袋固定到墻上。 2. During sleeping time, the job of watching over the shuttle is done by ________. A. the shuttle39。s radio B. the shuttle39。s warning bell C. people working in the shuttle D. engineers at the Control Office 答案與解析 D 細(xì)節(jié)理解題。根據(jù)第二段的 “No one has to stay awake to wa