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In a spaceship, sleeping standing is as comfortable as sleeping lying down. However, to get a good sleep, astronauts must tie themselves in their sleeping bags. Otherwise, if you turn over, you will float to other places. < / P > < p > when drinking water, if you use an ordinary cup, even if you turn the cup upside down, the water will not flow down. Because in the spaceship, the water lost weight. To drink water, astronauts have to use a drinking water bag with a straw. < / P > < p > it’s more fun to walk in a spaceship. If a person touches the cabin with a little force, he will float into the air, and he may retreat several steps with a cough. In order to walk smoothly, astronauts wear shoes with hooks on the soles to hook firmly to the grid floor. < / P > < p > it’s not easy to take a bath in a spaceship. The water from the nozzle always floats in the air. In order to solve this problem, scientists make the shower into a sealed bath barrel or a sealed bath cover. A straw is installed under the shower, which can suck the water from the nozzle in one direction. In addition, astronauts also need to fix their feet, otherwise the water will have to turn over. < p > < p > < p > “primary and secondary school Chinese demonstration Reading Library” is a public welfare project cooperated by China Central Radio and television, the Ministry of education and the State Language Commission. The construction of “primary and secondary school Chinese demonstration Reading Library” provides primary and secondary school students with standard Chinese text reading demonstration, so that all children have the opportunity to hear the standard Chinese voice and enjoy equal educational resources. Let’s listen to the best Chinese with the best voice in China. Baidu continues to work on quantum computing to lay a solid foundation for new infrastructure construction