题目内容：

    Now we’re at the space station. We’ve been living here for six weeks, and it feels like home. We all get along. We’ve been asked lots of questions about our ____, so I’ll try to answer some of them.

Food: We have much dried food. We just mix water_____we eat it. When we open a bag, the food in it flies out and we try to _____ it in our month! We also get ____ food, sometimes. Just now I ate a big apple!

The bathroom: We don’t have showers. We use wet towels to _____our bodies, and when we brush our teeth, we swallow the water. We have toilets and they look similar_____those on Earth. When we use them, we tie ourselves to the seats, and they work with air, not water.

Exercise: When we’re in _____,our muscles and bones don’t have any work to do. If we don’t exercise hard, they’ll get______. I’ve used the exercise bike twice a day to keep them strong. There’s a rowing machine here  ____, but I don’t use it often.

It’s always great to hear from ou back on Earth, so keep_____ all those messages. We miss you and we’ll be back soon.

1.A.study B.life C.Work D.training

2.A.before B.since C.though D.because

3.A.cook B.choose C.catch D.prepare

4.A.strange B.fresh C.similar D.expensive

5.A.feel B.move C.protect D.wash

6.A.with B.for C.in D.to

7.A.bed B.need C.space D.love

8.A.old B.weak C.heavy D.huge

9.A.either B.neither C.yet D.too

10.A.sending B.filling C.waiting D.mixing