Have you ever imagined the life in space？The following will show you the astronauts' daily life.

• Eating in space

   If you go camping for more than a week with some friends，you will make sure you have plenty of foods and keep them properly.At the end of your camping trip，you would deal with your rubbish properly before the ride home.

   Astronauts almost do the same thing when they go to space.Preparation changes with the food type.Some foods can be eaten in their natural forms，such as chocolate cakes and fruits.Other foods require adding water，such as cheese.Of course，an oven is provided at the space station to heat the food.But there are no fridges，so space food must be kept properly.

• Sleeping in space

   After a long day at work，nothing is better than a good night's sleep!Just like on the earth，in space astronauts go to bed at a certain time，then get up and prepare for work again.When going to sleep，they have to attachthemselves，so they don't float （漂浮） around or hit their bodies against something.They usually use sleeping bags located in small crew cabins （乘员舱）.Each crew cabin is just big enough for one person.Generally，astronauts have an eight﹣hour sleep each day when they finish their task.

• Doing sports in space

   Exercise is an important part of every astronaut's daily life to prevent muscle loss （肌肉萎缩）.Usually，astronauts exercise two hours every day.Lifting 200 pounds on the earth may be a lot of work.But lifting that same object in space would be much easier.That means the things for exercise need to be specially designed，so astronauts can receive the exercise needed.

   Living in space is not just all work and no play.Astronauts have fun，too.They like to look out the window and play with their food.Fun plays an important role in the quality of their life.

（1）The writer starts to explain eating in space by 　 　.

A．	telling a story
B．	asking a question
C．	giving an example
D．	comparing two facts

（2）What does the underlined word " attach" in Paragraph 4 mean？ 　 　

A．	Tie.
B．	Hide.
C．	Catch.
D．	Carry.

（3）It is much easier for people 　 　in space than on the earth.

A．	to fall asleep
B．	to lift heavy things
C．	to prevent muscle loss
D．	to eat cold food

（4）In which part of a newspaper can we read the passage？ 　 　

A.CULTURE.

B.SOCIETY.

C.SCIENCE.

D.HISTORY.