Read the passage and answer the questions （根據(jù)短文內(nèi)容回答下列問題）：
?"Dreams （夢 ） may be more important than sleep.We all need to dream，" some scientists say.
?Dreams take up about one quarter of our sleeping time.People have several dreams each night.Dreams are like short films.They are usually in colour.Some dreams are like old films.They come to us over and over again.That may be because the dreamer is worrying about something.Dreaming may be a way of trying to find an answer.
?Some people get new ideas about their work from dreams.They may have been thinking about their work all day.These thoughts can carry over into dreams.
?Sometimes we wake up with a good feeling from a dream.But often we can't remember the dream.
?Too much dreaming can be harmful.The more we sleep，the longer we dream.The mind works hard when we dream.That is why we may have a long sleep and still wake up tire d.

（1）How much of our sleeping time do dreams take up？

Dreams take up about one quarter of our sleeping time.

Dreams take up about one quarter of our sleeping time.

（2）What are dreams like？

Dreams are like short films and old films.

Dreams are like short films and old films.

（3）Why do people often dream about their work？

Because they may have been thinking about their work all day.

Because they may have been thinking about their work all day.

（4）People can't often remember their dreams clearly，can they？

Yes.

Yes.

（5）Too much dreaming can be good or bad to our health？

It is bad.

It is bad.

（6）What does the story mainly tell us？

It mainly tells us the importance of dreams.

It mainly tells us the importance of dreams.