阅读下面材料,在空白处填入适当的内容(不多于3个单词)或括号内单词的正确形式。
Until recently daydreaming was viewed as a waste of time or it ____ (consider) an unhealthy escape from real life and its duties.But now some people are taking a fresh look at daydreaming.Some think it may be a very ____ (health) thing to do.Some researchers are finding that daydreaming may be important to mental health.Daydreaming, they tell us, ____ a good means of relaxation.But its benefits go____ this.A number of psychologists have conducted experiments and have reached some____ (surprise) conclusion.
Dr.Joan T.Freyberg has concluded that daydreaming contributes growth.It also improves____ (concentrate),attention span, and the ability to get along with others.Industrialist Henry J.Kaiser believed that much of his success was due____ the positive use of daydreaming.Florence Nightingale dreamed of becoming a nurse.The young Thomas Edison pictured____ as an inventor.
For these notable achievers, it appears that their daydreams came ____.Dr Harry Emerson Fosdick offered this advice: “Hold a picture of yourself…in your mind's eye, and you will be drawn toward it.Picture yourself ____ (vivid) as defeated and that alone will make victory impossible.