3.  What does paragraph 3 mainly discuss?
 
          
A. Different effects of caffeinated coffee and decaf on sleep.
 
          
B. Different findings of Lotan Shilo and a team about caffeine.
 
          
C. The fact that the subjects slept 415 minutes per night after
drinking decaf.
 
          
D. The evidence that the subjects took half an hour to fall
asleep.


      
4.  What does the experiment mentioned in
paragraph 4 prove?
 
          
A. There are more enzymes in decaf drinkers’ urine sample.
 
          
B. there are more melatonin concentrations in
caffeine  drinkers’ urine sample.
 
          
C. Decaf drinkers produce less melatonin.
 
          
D. Caffeine drinkers produce less sleep hormone.


      
5.  The author of this passage probably agrees
that
 
          
A. coffee lovers sleep less than those who do not drink coffee.


            
B. we should not drink coffee after supper.
 
          
C. people sleep more soundly at midnight than at 3 a.m.
 
          
D. if we feel sleepy at night, we should go to bed immediately.
 
Warm People Likely to
Keep Cold at Bay
1. According to a study author, when people with a positive
emotional style do get a cold, they may think
   
A  that their illness is very
serious             
   
B  that their illness is not so serious
   
C  that they do not get any illness at
all     
   
D  that the illness they get is not a mild one
2.  People with a positiveemotional style may
have all o[ the following characteristics EXCEPT
   
A 
happy                    
B 
selfish                   
C 
easy-going                    
D  energetic
3.  Which of the following is NOT one of the
characteristics that people with a negativeemotional style may
have?
   
A 
Hostile.                 
B 
Unhappy.               
C 
Warm-blooded.                    
D  Tense.
4.  How did the researchers test their
volunteers?
   
A  By giving everyone nasal drops containing
either a cold virus or a particular flu virus.
   
B  By giving everyone a medicine that help lessen
the probability of catching cold.
   
C  By giving everyone an injection boosting immune
function.
   
D  By investigating everyone's characteristics,
interests and hobbies.
5.  Which of the following items is NOT
included in the data that the researchers collected?
   
A  Mucus
production.   B 
Aches and
pains.     
C  Sneezing or
congestion   
D  Blood test.
 
Sleep（此篇文章与综合C相同，详细内容参见P24）
1.  The question raised in Paragraph 2 is “no
mere academic one” .
 
          
A. because Bonjer’s findings are different from Brown's.
 
          
B. because sleep normally coincides with the hours of darkness.
 
          
C. because some people can change their sleeping habits easily.
 
          
D. because shift work in industry requires people to change their
sleeping habits.


      
2.  According to the passage, the main problem
about night work is that
 
          
A. people hate the inconvenience of working on night shifts.
 
          
B. your life is disturbed by changing from day to night routines
and back.
 
          
C. not all industries work at the same hours.
 
          
D. it is difficult to find a corps of good night workers.


      
3.  According to the passage, the best solution to
the problem seems to be
 
          
A. not to change shifts from one week to the next.
 
          
B. to make periods on each shift longer.
 
          
C. to employ people who will always work at night.
 
          
D. to find ways of selecting people who adapt quickly.


      
4.  In the second paragraph, “the third”
 means
 
          
A. the third week.
       
B. the third shift.
        
C. a third of the time.   D. the third
routine.


      
5.  In the last sentence of the second paragraph,
“another” means
 
          
A. another routine.
     
B. another shift.  
C. another week.
        
D. another person.
 

structure [´strʌktʃə]   n.结构，构造；组织   (初中英语单词)

scientific [,saiən´tifik]   a.科学(上)的   (初中英语单词)

research [ri´sə:tʃ]   n.&vi.调查；探究；研究   (初中英语单词)

harmful [´hɑ:mful]   a.有害的   (初中英语单词)

behave [bi´heiv]   v.举止；表现；举止端正   (初中英语单词)

seriously [´siəriəsli]   ad.严肃；严重，重大   (初中英语单词)

unhappy [ʌn´hæpi]   a.不幸的；不快乐的   (初中英语单词)

medical [´medikəl]   a.医学的；医疗的   (初中英语单词)

review [ri´vju:]   v.&n.复习；回顾；检查   (初中英语单词)

enable [i´neibəl]   vt.使能够；赋予权力   (初中英语单词)

journal [´dʒə:nəl]   n.日记；日报；杂志   (初中英语单词)

canadian [kə´neidiən]   a.加拿大的n.加拿大人   (初中英语单词)

treatment [´tri:tmənt]   n.待遇；对待；治疗   (初中英语单词)

contain [kən´tein]   v.包含；容纳；抑制   (初中英语单词)

normal [´nɔ:məl]   a.正规的 n.正常状态   (初中英语单词)

paragraph [´pærəgrɑ:f]   n.段；节 vt.将…分段   (初中英语单词)

sleeping [´sli:piŋ]   n.&a.睡着(的)   (初中英语单词)

cancer [´kænsə]   n.癌；毒瘤   (初中英语单词)

affect [ə´fekt]   vt.影响；感动；假装   (初中英语单词)

mainly [´meinli]   ad.主要地；大体上   (初中英语单词)

persuade [pə´sweid]   v.(被)说服；使相信   (初中英语单词)

income [´inkʌm]   n.收入，所得   (初中英语单词)

pressure [´preʃə]   n.压榨 vt.对…施压力   (初中英语单词)

restaurant [´restərɔnt]   n.饭店，菜馆   (初中英语单词)

midnight [´midnait]   n.午夜；漆黑   (初中英语单词)

illness [´ilnis]   n.生病，不健康，疾病   (初中英语单词)

emotional [i´məuʃənəl]   a.易动感情的；情感的   (初中英语单词)

everyone [´evriwʌn]   pron.=everybody 每人   (初中英语单词)

working [´wə:kiŋ]   a.工人的；劳动的   (初中英语单词)

solution [sə´lu:ʃən]   n.解答；解决；溶解   (初中英语单词)

sentence [´sentəns]   n.判决 vt.宣判；处刑   (初中英语单词)

differently [´difrentli]   ad.不同地，有差别地   (高中英语单词)

dealing [´di:liŋ]   n.交易；来往   (高中英语单词)

emphasis [´emfəsis]   n.强调；重点   (高中英语单词)

response [ri´spɔns]   n.回答；响应   (高中英语单词)

specific [spi´sifik]   a.具体的；特有的   (高中英语单词)

sleepy [´sli:pi]   a.困的，想睡的   (高中英语单词)

bicycle [´baisik(ə)l]   n.自行车   (高中英语单词)

billion [´biljən]   num.万亿   (高中英语单词)

positive [´pɔzətiv]   a.确定的   (高中英语单词)

negative [´negətiv]   a.否定的 n.否定词   (高中英语单词)

probability [,prɔbə´biliti]   n.或有；可能性   (高中英语单词)

accurately [´ækjuritli]   ad.准确地；精密地   (英语四级单词)

lighting [´laitiŋ]   n.照明，发光   (英语四级单词)

yearly [´jiəli]   a.每年的；一年间的   (英语四级单词)

trying [´traiiŋ]   a.难堪的；费劲的   (英语四级单词)

countryside [´kʌntrisaid]   n.乡下，农村   (英语四级单词)

calcium [´kælsiəm]   n.钙   (英语四级单词)

academic [,ækə´demik]   a.学术的 n.大学学生   (英语四级单词)

inconvenience [,inkən´vi:niəns]   n.不方便；打扰   (英语四级单词)

effectively [i´fektivli]   ad.有效地   (英语六级单词)

pregnant [´pregnənt]   a.怀孕的；含蓄的   (英语六级单词)

immunity [i´mju:niti]   n.免疫；免除   (英语六级单词)

sleepless [´sli:pləs]   a.失眠的；寂静的   (英语六级单词)

biological [,baiə´lɔdʒikəl]   a.生物学(上)的   (英语六级单词)

kaiser [´kaizə]   n.皇帝；独裁者   (英语六级单词)

normally [´nɔ:məli]   ad.正常情况下；通常   (英语六级单词)