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题型:阅读选择 题类:常考题 难易度:普通

   Can you imagine astronauts' everyday life in space? They also need to eat,  sleep, exercise and relax. They do the same things as us, but they do them differently.
   On Earth, we put food on a plate. Gravity holds the food down and keeps it on a place. But there is almost no gravity in space, so food can float (漂浮)away, and astronauts must eat carefully.
   Sleeping is very different in space. Some astronauts like to float in the air, but most like to be in a sleeping bag. They tie the bag to a wall so that they won't float away at night.
   Exercise is very important in space. On Earth,  your legs carry your body,  but in space, astronauts float, so they do not use their legs often. This is very bad for their legs, so they must exercise for thirty minutes every day.
   After a day's work, astronauts relax. They may listen to music, read, watch films, play games, or talk to their friends and families on the radio. Sometimes they just enjoy floating in the air.

(1)、What does the underlined word "gravity" mean in Chinese?

A、平衡 B、引力 C、磁性 D、重力
(2)、Why do astronauts tie the sleeping bag to a wall?

A、Because in that way they won't float away. B、Because that makes them sleep well. C、Because they can't get to sleep if they don't do that. D、Because the sleeping bag is not safe enough.
(3)、What's the main idea of the passage?

A、It is about the importance of gravity. B、It is about astronauts' everyday life in space. C、It is about the differences between space and Earth. D、It is about how to avoid (避免) floating away while sleeping.
举一反三
 阅读下面材料,从每题所给的A、B、C、D四个选项中,选出一个最佳选项。

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I am an open- minded 34- year- old woman living in Scotland. I love to travel but I don't have much time to do that these years. I used the lockdown (封锁) to teach myself how to knit(编织). It is now one of my favorite hobbies. I love spending time with friends, either over a good meal or along dog walk. I would love to have a snail(蜗牛) mail pen pal. I like pretty stationery(信纸), but the letter is always more important than the paper!

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 阅读下面短文,理解其大意,然后从各题所给的A、B、C、D四个选项中选出最佳选项。

 In small towns, people are used to saying hello to their neighbors in stores, on the streets and in front of their homes. In today's city life, people may feel uncomfortable talking to neighbors they do not know well in line at the supermarket. But greeting your neighbors is actually good for you, especially if you say hello to six people, according to a recent survey.

 Saying hello to people increases well- being(幸福), but six is the magic number. The well- being score increases from zero to six and then there are no further increases. These results are part of the Gallup National Health and Well- Being Index which studies overall well- being and is calculated on a scale of (在……范围内)0 to 100. The survey was carried out from May 30th to June 6th, 2023 and was based on the answers from 4,556 Americans. It covered social well- being, physical well- being, community well- being and more. People who said they didn't say hello to anyone in their neighborhood scored a 51.5. People who greeted six neighbors had a score of 64.1.

 You might think that saying hello to neighbors is only about social well- being, but that actually isn't the case. In fact, regular(经常的) greetings also improve a person's physical well- being and community well-being.      ▲      You will be more likely to speak to people if you think your community is safe. Your physical well- being can improve if you are getting out and walking around your neighborhood.

" We don't require that you know the person well; just stop and talk to him," said Dan Witters, the survey's director." But the more people to whom you say hello, the greater the probability is that you' re actually going to start a conversation with them."

 While this is just a survey for now, saying hello on a regular basis is a good way to improve your own well- being.

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