MBA全國聯(lián)考英語之重點詞匯練習(xí)一

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重點詞匯:1. extinct, extinction
    1.It is estimated that, currently, about50,000 species become_____ every year.
    A. extinct
    B. instinct
    C. distinct
    D. intense
    選項解析:
    A. extinct滅絕的
    B. instinct本能
    C. distinct清楚的,截然不同的
    D. intense 強烈的
    正確答案:A
    譯文:目前,據(jù)估計,每年大約有5萬種物種滅絕了。
    Certain species disappeared or became ______________ as new forms arose that were better adapted to the Earth's changing environment.(CET6-99年6月第40題)
    A.feeble
    B.extinct
    C.massive
    D.extinguished
    選項解析:
    A.feeble無力,虛弱的
    B.extinct滅絕的,絕種的
    C.massive大量的,大規(guī)模的
    D.extinguished被熄滅的,被消滅的
    正確答案:B
    譯文:某些物種消失了或滅絕了,但新的生命形式又出現(xiàn)了,它們能更好地適應(yīng)地球環(huán)境的不斷變化。
    If nothing is done to protect the environment, millions of species that are alive today will have become _______________. (CET6-01年1月第40題)
    A.deteriorated
    B.degenerated
    C.suppressed
    D.extinct
    選項解析:
    A.deteriorated 惡化的
    B.degenerated 墮落的
    C.suppressed壓抑的
    D.extinct 滅絕的
    正確答案:D
    譯文:如果不采取措施保護環(huán)境,數(shù)百萬活著的物種就會滅絕。
    The panda is an endangered species, which means that it is very likely to become ______ without adequate protection. (CET6-06年6月第70題)
    A.intact
    B.insane
    C.extinct
    D.exempt
    選項解析:
    A.intact:完好無缺的,完整的
    B.insane:患精神病的,愚蠢的
    C.extinct:滅絕的,熄滅的
    D.exempt:免除,豁免
    正確答案:C
    譯文:熊貓是瀕危物種,這意味著如果缺乏充足的保護它很有可能滅絕。
    5.Sadly, the Giant Panda is one of the many species now in danger of ____________.(CET6-00年1月第70題)
    A.extinction
    B.migration
    C.destruction
    D.extraction
    選項解析:
    A.extinction 滅絕
    B.migration 遷居,遷徙
    C.destruction破壞,毀滅
    D.extraction 抽出,血統(tǒng),家世
    正確答案:A
    譯文:遺憾地是,大熊貓是當前瀕臨滅絕的許多物種之一。
    6.Within the foreseeable future there may be a major ______ of species, involving from one-third to two-thirds of all the species now in existence.
    A. exhaustion
    B. exhibition
    C. extension
    D. extinction
    選項解析:
    A. exhaustion 筋疲力盡
    B. exhibition 展覽
    C. extension 延長
    D. extinction 滅絕
    正確答案:D
    譯文:在可預(yù)見的未來,許多物種可能會瀕臨滅絕,包含三分之一到三分之二現(xiàn)存物種。