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　　词汇: Space 太空

　　Bored with your life? Dreaming of something different? When I feel like that I look up and wonder what life would be like 400km above my head. That's where the International Space Stationorbits the Earth, with six astronauts living and working on board, for months at a time.

　　How do they sleep? They spend the night floating in a sleeping bag inside a small cubicle on the ceiling. American astronaut Sunita Williams explains: "It's like a little phone booth but it's prettycomfy and it doesn't matter if I turn over and sleep upside down. I don't have any sensation in my head that tells me I'm upside down."

　　Brushing your teeth in a place where you can't have a tap or a sink can be a challenge. Can you imagine the mess that running water would make in zero gravity? Canadian astronaut Chris Hadfield uses a straw to put a big blob of water from a sealed bag onto an ordinary toothbrush and adds a little toothpaste - which he has to swallow when he's done.

　　Daily exercise is essential. The lack of gravity makes bones more brittle and muscles lose strength – so astronauts are encouraged to work out for at least two hours a day.

　　The role of astronauts in the International Space Station is to act as lab technicians for scientists back on Earth. So they spend their time maintaining their environment and performing and monitoring experiments in a confined space about the size of a Boeing 747. Almost every task is carefully planned by mission control - although most astronauts spend their first days losing stuff until they get used to sticking everything they use to the walls with Velcro, duct tape or clips.

　　One of their most valued perks is the view from "the office", dominated by that gigantic blue ball down there, sitting in the darkness of space. Wow! Absolutely breathtaking!

　　词汇表

　　International Space Station 国际空间站

　　to orbit 环绕……轨道运行

　　an astronaut 宇航员

　　a sleeping bag 睡袋

　　comfy 舒服的

　　upside down 倒置地，颠倒过来地

　　gravity 重力

　　sealed 密封的

　　essential 必不可少的

　　brittle 容易断裂的

　　lab technician 实验室技术人员

　　a confined space 一个有限的空间

　　mission control 航天地面指挥中心

　　Velcro 尼龙搭扣

　　duct tape 牛皮胶布

　　perk 好处

　　breathtaking 令人惊叹的，壮观的

　　测验与练习

　　1. 阅读课文并回答问题。

　　1. How high up is the International Space Station?

　　2. True or false? Astronauts get dizzy when they sleep upside down.

　　3. Why do astronauts lose things?

　　4. What becomes weak if astronauts don't exercise?

　　5. Who tells astronauts what to do?

　　2. 请你在不参考课文的情况下完成下列练习。从每个表格中选择一个意思合适的单词填入句子的空格处。

　　1. Here's __________. You can use it to keep the sheets of your essay together.

　　Velcro a clip a straw some perks

　　2. My job is just to keep an eye on this experiment and see if there is anything different. I'm just __________ it.

　　performing maintaining monitoring floating

　　3. My mobile, my keys... wait till I get my __________ and we are ready to leave.

　　stuff duct tape Velcro gravity

　　4. You look tired after walking all day. Come on, sit on this __________ chair.

　　upside down comfy confined brittle

　　5. If the company is to survive the economic downturn, increasing profitability is __________!

　　a choice a plan essential a perk

　　答案

　　1. 阅读课文并回答问题。

　　1. How high up is the International Space Station?

　　It orbits 400km above the Earth's surface.

　　2. True or false? Astronauts get dizzy when they sleep upside down.

　　False. According to astronaut Sunita Williams, they don't have any sensations in their head telling them they are upside down. They don't even feel it.

　　3. Why do astronauts lose things?

　　Because in zero gravity, everything that is not stuck down, floats.

　　4. What becomes weak if astronauts don't exercise?

　　Their bones and muscles.

　　5.Who tells astronauts what to do?

　　Scientists on Earth and mission control.

　　2. 请你在不参考课文的情况下完成下列练习。从每个表格中选择一个意思合适的单词填入句子的空格处。

　　1. Here's a clip. You can use it to keep the sheets of your essay together.

　　2. My job is just to keep an eye on this experiment and see if there is anything different. I'm justmonitoring it.

　　3. My mobile, my keys... wait till I get my stuff and we are ready to leave.

　　4. You look tired after walking all day. Come on, sit on this comfy chair.

　　5. If the company is to survive the economic downturn, increasing profitability is essential!

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