One of the most remarkable things about the human mind is our ability to imagine the future.In our (21) we can see what has not yet happened.For example,while we are looking forward to (22) a new place or country,we (23) what it will be like.We predict(预料) the (24) people will eat,dress and act.Of course,we do not always predict things (25).Things are often very different from the way we (26) them to be.One of the (27)dreams in history is the dream of the German scientist,Kekule,who had been (28) to work out a very difficult problem in physics.He had (29) and analyzed(分析) the problem from every angle(角度) for days,but there (30) to be no way of (31) out the answer.Then one night he went to bed and dreamed.When he (32) up,he realized that he knew the answer.He had solved the problem in his (33) .The hypnotist(催眠者) sat in the chair opposite him and spoke (34) :I want you to concent rate on my voice.Think about (35) You know nothing but my voice.And as you pay attention to my voice,your (36) will get heavier.Soon you’ll be
asleep.You will hear my voice and (37) my words,but your body will be asleep,your eyes are too heavy.You are (38) asleep,and when you wake up you will (39) nothing.You will forget everything.Now I am going to (40) slowly from one to five.One,two,three,four,five.