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。
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。