Commence v. 开始
1.The Space Age     in October 1957 when the first artificial satellite was launched by the Soviet Union .(99.1.41)
A  initiated   B  originated    C  embarked   D  commenced
2.The ceremony will    as soon as the minister arrives .(95.1.57)
A  complete   B  commence   C  disperse   D  descend
Confidential  .a.  机密的
 1.For particular reason , he wanted the information to be treated as     .(01.6.59)
A  assured   B  reserved   C  intimate  D  confidential
We’ll be  very careful and keep what you’ve told us strictly     .(02.1.66)
A  rigorous  B  confidential  C  private   D  mysterious
1.Scientists first     the idea of the atom bomb in the 1930s.(96.6.56)
A  imagined  B  conceived  C  considered   D  acknowledged 
2. It is difficult to      of a plan to end poverty.(2000.1.52)
A  speculate  B  conceive   C  ponder  D  reckon
Credible a . 可信的
1.The results are hardly     ; he cannot believe they are accurate .(03.1.49)
A credible  B  contrary   C  critical   D  crucial
2.Some children display an     curiosity about every new thing they encounter.(98.1.68)
A incredible   B  infectious   C  incompatible  D  inaccessible
3.Your excuse that an elephant fell on you and made you late is just      .(96.6.53)
A  inevitable    B  indispensable  C  incredible  D  incurable
Collaborate (with) 合著,合作
1.Mary once     with another musician to compose a piece of pop music (98.6.54)
A  merged  B collaborated  C  coincided  D  constituted
2. He was looking admiringly at the photograph published by Collins in      with the Imperial Museum.(03.1.42)
A  collection   B  connection   C  collaboration  D  combination
Conspicuous a. 显著的
1.A visitor to a museum today would notice      changes in the way museums are operated(01.6.56)
A  cognitive   B  rigorous  C  conspicuous   D  exclusive
Chronic. a ,慢性的
1.The old lady has developed a      cough which cannot be cured completely in a short time.(01.1.42)
A  perpetual  B  permanent  C  chronic  D  sustained
Compulsory. a.  强制的,义务的
1.In Scotland ,as in the rest of the United Kingdom ,      schooling begins at age 5 and ends at age 16.(95.6.63)
A  compelling   B  forced  C  obliged    D  compulsory
2. Many countries have adopted systems of     education in order to promote the average level of education .
A  compulsory  B  cardinal  C  constrained  D  conventional
3.They have done away with      Latin for university entrance at Harvard.(03.9.57)
A  influential   B  indispensable   C  compulsory  D  essential
Consistent .a 和-----一致的
1. These figures are not consistent     the results obtained in previous experiments .(95.6.47)
A  to   B  with   C  for  D   in
2.What a      person says or does today agrees with what he said or did yesterday.
A  consistent   B  harmonious   C  constant  D  sensible
3.What you say now is not     with what you said last week.(02.6.49)
A  consistent   B  persistent   C  permanent  D  insistent
Circulation  n.  流通,发行量
The new technological revolution in American newspapers has brought increased     ,a wider of publications and an expansion of newspaper jobs. (97.6.70)
A  manipulation  B  reproduction   C   circulation  D  penetration
Competitive  a.  有竞争力的
1.Because a degree from a good university is the means to a better job ,education is one of the most      areas in Japanese life.(98.6.42)
A  sophisticated   B  competitive  C  considerate  D  superficial
Complement v  弥补,补充
Movie directors use music to     the action on the screen .(98.6.46)
A  contaminate   B   compliment   C  contemplate  D  complement
Commentary.  n. 评论
Stop shouting ! I can’t hear the football       .(99.6.56)
A  judgment   B  interpretation  C  commentary   D  explanation
Commitment n.  承诺,义务
By signing the lease we made a       to pay a rent of $150 a week .(99.6.68)
A  conception  B  commission   C  commitment   D  confinement
Crucial a . 关键的
Improved consumer confidence is      to an economic recovery .(2000.1.54)
A  crucial   B  subordinate   C  cumulative   D  satisfactory
Consultant n.  顾问
I think we need to see an investment      before we make an expensive mistake .(2000.6.52)
A  guide   B   entrepreneur   C  consultant   D  assessor
Constitution n.  构成
Now a paper in Science argues that organic chemicals in the rock come mostly from     on earth rather than bacteria on Mars .(2000.6.50)
A   configuration   B  constitution  C  condemnation  D  contamination 
Cherish  v.  珍爱,  珍重,怀抱
1.It was a wonderful occasion which we will      for many years to come .(05.6.60)
A  conceive   B  clutch   C  contrive   D  cherish
2.Most people in the modern world      freedom and independence more than anything else.(01.6.68)
A  embody   B cherish  C  fascinate  D  illuminate
3.He still      the memories of his carefree childhood spent in that small wooden house of his grandparents’.(05.1.57)
A  nourishes   B  cherishes   C  fancies   D  scans
4. The bride and groom promised to     each other through sickness and health.(06.1.60)
A  nourish   B  nominate   C  foster  D  cherish
Condense  v.  浓缩
The mayor was asked to      his speech in order to allow his audience to raise questions (97.1.62.)
A   constrain   B   conduct   C  condense   D  converge
Conflict  n. 冲突
If the world is to remain peaceful the utmost effort must be made by nations to limit local    
.(99.1.47)
A   collisions   B  combats   C  contradictions   D  conflicts
Current  a.   当前的
David is the      holder of the world 5000-meter world record ,but there is no guarantee that he will win the Olympic Games  .
A  prevailing  B  predominant   C  current  D  decisive 
Conservative a.  保守的
Although Asian countries are generally more     in social customs than Western countries ,there have been several notable examples of women leaders in both China and India. (96.1.54)
A  conservative   B  confidential  C  comprehensive   D  consistent
Criteria . 标准
  In today’s medical field , little agreement exists on the     for defining mental illness.(01.6.70)
A  legislation  B  requirement   C  criteria   D  measure
The most important     for assessment in this contest is originality of design.(03.9.66)
A  threshold   B  partition  C  warrant  D  criterion
Controversy . n .  争议,争论
1.After several nuclear disasters ,a      has raged over the safety of nuclear energy .(01.1.32)
A  quarrel   B   suspicion   C   verdict    D  controversy
2. In spite of the      , it seemed that many of the invited guests would still show up. (04.6.43)
A     deviation  B  distinction   C  controversy  D  comparison
Capability  n.  能力,才能
Radar is used to extend the      of man’s senses for observing his environment ,especially the sense of vision .(96.6.61)
A   validity   B  liability    C  capability  D  intensity