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