Question

18．When you tidy your messy bedroom，it gets a lot easier to find things．Dreams may work the same way for a messy brain，helping you learn by organizing memories and ideas．
    To test how much dreams can help learning，Robert Stickgold had some students play a shape-fitting game called Tetris （俄羅斯方塊） for a few hours and then go to sleep．Soon they were dreami ng of falling Tetris shapes．Interestingly，the worst Tetris players had the most Tetris dreams and improved their game the most．Similar tests have shown the same results for all kinds of skills．
    As we dream，many important tasks are getting done．The brain decides what to keep and what to forget．It is connecting new experiences to older learning．In fact，the brain is learning all night long．
    Another important task of dreams may be to help us deal with emotions（情緒）．People who have had an upsetting experience often dream about it afterward．Often the dream event changes somehow----another way the brain tries to make the memory less upset．So if your best friend moves away，you might dream that you're the one who's moving．In fact，dreams have a proven power to improve mood，and people who dream about what's bothering them usually feel better sooner than those who don't．
    Everybody dreams for a couple of hours every night----in the course of your life，you'll spend about 25 years asleep and 6 years dreaming．There's probably no single answer to the question why we dream，but there doesn't have to be．One dream might help you remember your math facts，while another might lead to a new invention，or give you a fun，crazy story to tell your friends．It's all in a night's work for our busy，mysterious brains．
1．R obert Stickgold's test shows thatA．
A．dreams can help improve skills                  
B．tasks can only be settled through dreams
C．games are useful for memory                 
D．players stop learning in dreams
2．We can learn from Paragraph 4 thatC．
A．dreams can get rid of sufferings                
B．only drivers can deal with emotions
C．one may be less upset after a dream             
D．dreams can copy what one experienced
3．What does the text focus on？D
A．Dreams and memories．
B．The patterns of dreams．
C．Dreams and emotions．
D．The benefits of dreams．

Answer 1

分析 本文是一篇說明文．文章說明了夢的好處，可以改善學習和情緒．

解答 ACD
1 A 推理判斷題．根據(jù)第二段To test how much dreams can help learning，Robert Stickgold had some students play a shape-fitting game called Tetris （俄羅斯方塊） for a few hours and then go to sleep．可知，為了證實夢對學習有幫助，Robert Stickgold做了這次實驗，而實驗結(jié)果表明選手的技能有所提高，根據(jù)本段最后一句"Similar tests have shown the same results for all kinds of skills．"可推知，夢對學習各種技能都是有幫助的，故選A．
2 C  細節(jié)理解題．根據(jù)第四段第一句"Another important task of dreams…emotions （情緒）．"和最后一句"In fact，dreams have a proven power to improve mood…"可知，夢有助于改善心情，故選C．  
3 D  主旨大意題．通讀全文可知，本文主要說明了夢的好處：有助于改善學習和情緒．故選D．

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