以 “E” 开头的核心词汇
Expire  v. 到期,期满
Mike just discovered that his passport had     three months ago.(99.6.37)
A  abolished  B  expired   C  amended   D  constrained
Extinct a. 灭绝的
1.If nothing is done to protect the environment, millions of species that are alive today will have become     . (01.1.40)
A  deteriorated   B  degenerated  C  suppressed   D  extinct
2.Certain species disappeared or became    as new forms arose that were better adapted to the Earth’s changing environment.(99.6.40)
A  feeble   B  extinct   C  massive   D  extinguished
3.Sadly, the Giant Panda is one of the many species now in danger of      .(2000.1.70)来源：www.examda.com
A  extinction  B  migration  C destruction   D extraction
Enhance   v.  提高来源：www.examda.com
1.The republication of the poet’s most recent works will certainly     his national reputation.(97.6.58)
2.The Japanese scientists have found that scents     efficiency and reduce stress among office workers.(01.1.53)
A  enhance   B  amplify   C  foster  D  magnify
3.Some crops are relatively high yielders and could be planted in preference to others to
      The food supply. (04.1.63)
A  enhance   B  curb  C  disrupt   D  heighten
Eternal a. 永恒的, 无休止的
1.The      cycle of life and death is a subject of interest to scientists and philosophers alike.(2000.6.45)
A  incompatible   B exceeding  C  instantaneous  D  eternal
2.Since a circle has no beginning or end, the wedding ring is accepted as a symbol of     love.(04.1.60)
Essence  n. 本质
The     of the scientific attitude is that the human mind can succeed in understanding the universe.(01.1.41)
A  essence   B content   C  texture  D  threshold
Exclusive  a.  排他的,独有的
In general , matters which lie entirely within state borders are the      concern of state government . (97.1.60)
A  extinct   B excluding  C   excessive  D  exclusive
Up until that time, his interest had focused almost     on fully mastering the skills and techniques of his craft.(02.6.69)
A  restrictively  B  radically  C  inclusively  D  exclusively
These areas rely on agriculture almost      ,having few mineral resources and a minimum of industrial development.(99.1.70)
A  respectively     B  extraordinarily   C  incredibly   D  exclusively
Energetic a. 精力充沛的
He seems to be     enough to climb to the mountain top in an hour.(1998.1.59)
A  radiant   B  conscientious   C  conspicuous  D  energetic
Elegant a. 优雅的
The lady dressed in the latest Paris fashion is     in her appearance but rude in her speech.(96.6.42)
A  elaborate  B excessive   C  elegant   D  exaggerated
Embarrassing a.  令人感到难堪的来源：www.examda.com
It is rather     that we still do not know how many species there are in the world today.(93.6.61)
A  misleading  B  embarrassing   C  boring  D  demanding
Encouragement.  N. 鼓励
1.If a person talks about his weak points ,his listener is expected to say something in the way of       .(98.6.43)
A  persuasion   B remedy   C  encouragement  D  compromise
2. 1.If a person talks about his weak points ,his listener is expected to say something in the way of       .(90.1.69)
A  persuasion   B remedy   C  encouragement  D  compromise
Elapse  v.  流逝
Weeks     before anyone was arrested in connection with the bank robbery.(03.1.63)
A  terminated   B  elapsed   C overlapped  D  expired
Many years had     before they returned to their original urban areas. (02.6.48)
A  floated  B  elapsed  C  skipped  D   proceeded
Expenditure  n. 花销来源：www.examda.com
1.  Whether you live to eat or eat to live, food is a major     in every family’s budget.(2000.6.49)
A  nutrition   B  expenditure   C  routine  D  provision
2.Over the past ten years, natural gas production has remained steady, but    has risen steadily.(03.6.70)
A  dissipation   B  disposal  C  consumption  D  expenditure
Enroll v. 使成为----的成员,注册
A  1994 World Bank report concluded that      girls in school was probably the single most effective anti—poverty policy in the developing world today.(2001.6.47)
A  assigning   B admitting   C  involving   D enrolling
The club will     new members the first week in September.(02.1.56)
A  enroll   B subscribe  C  absorb  D  register