Read the following text. Choose the best word or phrase for each numbered blank and mark A, B,C or D on ANSWER SHEETl.

　　Text

　　A special lab at the University of Chicago is busy only 1. It is a dream 2 where re-searchers are at work 3 dreamers. Their findings have concluded that 4 dreams from three to seven times each night, 5 in ordinary life a person may 6 none or only one of his dreams.

　　While the 7 sleep, special machines 8 their brain waves and eye movements as well as the body movements that 9 the end of a dream. Surprisingly, all subjects 10 soundly. 11 say that a person usually fidgets(烦躁).before a dream. 12 the dream has started,his body relaxes and his eyes 13 more active, as if the curtain _ 14 _on a show. When the machine 15 that the dream is over, a buzzer wakes the 16 . He sits up, records his dream,and goes back to sleep-perhaps to _17some more.

　　Researchers have found that if the dreamer, is18 immediately after his dream,he can usually recall the entire dream. If he is allowed to sleep even 19 his . 20 0f the dream will have faded. That's why most people have many dreams at night, but forget most of them in the morning.

　　1. [A] at noon [B] in the morning [C] at night [D] in spring

　　2. [A] mill [B] laboratory [C] hospital [D] classroom

　　3. [A] studying [B] studied [C] to study [D] having studied

　　4. [A] everyone [B] anyone [C] someone [D] no one

　　5. [A] therefore [B] if [C] despite [D] although

　　6. [A] miss [B] remember [C] realize [D] notice

　　7. [A] objects [B] experiments [C] goals [D] subjects

　　8. [A] manufacture [B] initiate [C] prepare [D] record

　　9. [A] signal [B] sign [C] sigh [D] assign

　　10. [A] work [B] wake [C] sleep [D] remain

　　11. [A] Subjects [B] Examiners [C] Computers [D] Observers

　　12. [A] Once [B] Never [C] Hardly [D] Frequently

　　13. [A] start [B] produce [C] become [D] appeal

　　14. [A] had gone up [B] has gone up [C] goes up [D] is going up

　　15. [A] decides [B] pronounces [C] refers [D] indicates

　　16. [A] researcher [B] body [C] sleeper [D] on-looker

　　17. [A] remember [B] forget [C] imagine [D] dream

　　18. [A] asleep [B] wakened [C] wakening [D] slept

　　19. [A] more five minutes [B] five more minute[C] five minutes [D] five more minutes

　　20. [A] colour [B] record [C] memory [D] description

　　1.C【解析】此题考查对这篇文章的主要内容的宏观掌握。本篇是关于研究人员在实验室里研究人做梦的类型。at night符合题意。

　　2.B 【解析】联系上一句“在芝加哥大学的一个特殊实验室里”。只有B符合题意。

　　3.A【解析】“studying”在文中作伴随状语，B、C、D项则不合适。

　　4.A【解析】实验证明每人每夜都会做3—7个梦。其他选项与题意不合。

　　5.D【解析】从上下文可以得出此处应填表转折关系的词。therefore因此;if如果;despi不管，均不合题意。

　　6.B【解析】本句意为“但在日常生活中，一个人可能记不住或只记住一个梦。”miss错过;remember记住;realize意识到，实现;notice注意到。

　　7.D【解析】此题考查对上下文的理解，subject实验对象，只有表对象客体时才会用“object of sth.”的句型。

　　8.D【解析】此题考查对词义的辨析。manufacture制造;initiate着手于;prepare准备;record记录。

　　9.B【解析】sign意为“标志”，这里是当动词使用。

　　10.C【解析】此题考查词语搭配，soundly意为“安稳的”，可以与sleep搭配，其他项均不符合。

　　11.D【解析】subjects实验对象;examiners检查者;只有observers观察者符合题意。

　　12.A【解析】once -旦。hardly用于“hardly.when.…”结构。

　　13.C【解析】become作系动词时意为“变得”，后接形容词。

　　14.B【解析】此题考查的是时态，通篇用的都是现在时。这里是指“帷幕已经拉开，演出即将开始”，故用现在完成时。

　　15.D【解析】本句意为“当机器表明梦做完了，蜂鸣器会唤醒睡觉的人”。indicate意为“表明”，符合文意。

　　16.C【解析】此题考查对上下文的理解，意思是“蜂鸣器会唤醒睡觉的人”。

　　17.D【解析】实验对象继续睡觉，因为睡觉过程中会出现很多梦，根据40题的分析可知D。

　　18.B【解析】做梦者应是被叫醒，使用被动语态结构，“be+过去分词“表被动。

　　19.D【解析】此题考查语法结构，再多睡5分钟，表达应为“数字+more+名词复数形式”。