Have you ever been at a meeting while someone was making a speech and 31　 suddenly that your mind was a million miles away? You probably felt sorry and 　32　 　to pay attention because you have always been told that　 33 　is a waste of time.

“On the contrary(相反),” says L. Giambra, an expert in psychology, “Daydreaming is quite 　34 . Without it, the mind couldn’t 　35 all the thinking it has to do during a normal day. You can’t possibly do all your thinking with a conscious(有意识的) 　36　 . Instead, your unconscious mind is working out problems all the time. Daydreaming 　37　 　be one way that the unconscious and conscious states of mind have silent dialogues.”

Early experts in psychology paid　 38　 attention to the importance of daydreams and some even　 　39　 　them harmful. 　40 　daydreaming was thought to be a cause of some mental illnesses. Psychologists did not have a better understanding of daydreams 　41 　the late 1980s.

Daydreams are usually very 　42 　and direct, quite unlike sleep dreams, 　43 　may be hard to understand. It’s easier to get a deep understanding of your life 　44　 　paying close attention to your daydreams than by trying to 　　45　 your sleep dreams carefully. Daydreams help you 　46 　the difficult situations in your life and possibly help you find a way of dealing with 　47 .Daydreams cannot be 　48 . They move off in unexpected directions which may be 　49　 　and full of ideas. For many famous artists and scientists, daydreams were and are a main 　50　 of creative energy.

31．A. managed　　 B. showed　　 　C. realized　　 　D. received

32　 A. failed to decide　　　　 　　B. decided not　

　C. made up your mind　　　　　 D. keep in mind

33．A. sleeping　　　　　　　　 　　B. daydreaming　

C. attending a meeting　　　 　　D. making a speech

34．A. meaningless　 B. useful　 　　C. difficult　　 　D. easy

35．A. do　　　　　 B. take　　 　　C. work　　　 　　D. make

36．A. dream　　 　B. mind　　 　　C. position　　 　D. stage

37．A. must　　 　　B. should　　 　C. may　　　　 　D. need

38．A. much　　 　　B. no　　　　 　C. great 　　　　D. few

39．A. considered　 B. regarded　 　　C. took　　　 　　D. understood

40. 　A. In no time　 　B. At one time 　C. At the time　 　D. At a time

41．A. after　　　 　B. in　　　 　　C. before　　　 　D. until

42．A. hard　　 　　B. simple　　 　　C. difficult　　 　　D. good

43．A. which　　 　　B. as　　　 　　　C. it　　　　　 　D. they

44．A. in　　　 　　B. with　　　 　　C. by　　　　　 　D. through

45．A. examine　 　　B. practise　 　　C. test　　　　 　D. make

46．A. think　　 　　B. create　　 　　C. consider　　　 D. recognize

47．A. it　　　　 　　B. them　　 　　C. those　　　　 D. these

48．A. predicted　 　　B. made　　 　　C. produced　　　 D. copied

49．A. creative　 　　B. happy　 　　　C. sad　　　　　 D. humorous

50．A. resource　 　　B. source　 　　C. reason　　　 　D. cause

30.- Could you be so kind as to close the window?

-________.

A. With pleasure　 B. Go ahead 　　C. Yes,please　 D. That’s OK.

29.___in the fields on a March afternoon, he could feel the warmth o f spring.

A. To walk　 　　B. Walking　 　　C. Walked　 　D. Having walked

28. - You shouldn’t have gone to the cinema alone last night.

-But I ______, because Alex went there, too.

A. didn’t　　　 　B. had to　　 　　C. did　　　 　D. should

27. __________unexpected advice they have given us!

A. What 　　　 　　B. what an 　　C. How　　　　 　 D. How an